Low-risk AI API routers & providers

Nscale is a European AI hyperscaler providing Serverless Inference for large-scale AI deployment. It offers an OpenAI-compatible API to leading open models like Llama and DeepSeek. New users receive a $5 signup credit to start prototyping without initial cost.

models: Llama family, DeepSeek family, gpt-oss-120b

Google Cloud's enterprise-grade AI platform (Vertex AI) providing managed access to Gemini models and third-party models like Llama and Mistral. Offers advanced features like grounding with Google Search, model tuning, and provisioned throughput for predictable performance.

models: Gemini 2.5 Flash, Gemini 2.5 Pro, Meta: Llama 3.1 405B Instruct +1

Amazon Bedrock is a fully managed service that offers a choice of high-performing foundation models from leading AI companies like Anthropic, Meta, and Mistral via a single API. It is primarily pay-as-you-go with various service tiers (Standard, Flex, Priority).

models: Nova Lite 1.0, Nova Pro 1.0, Claude family +2

Deepgram is a specialized speech-to-text and text-to-speech API provider. It offers high-performance audio models like Nova-3 and Flux, with real-time streaming and batch processing capabilities. Authentication is via API key created in its own dashboard.

Mistral AI's official platform (La Plateforme) provides access to their open and proprietary models via an OpenAI-compatible API. It features a free 'Experiment' tier for developers and pay-as-you-go pricing for production workloads.

models: Mistral Small 4, Mistral Medium 3.5, Mixtral 8x22B Instruct +3

token.sensenova.cn is the official Token Plan for SenseTime's SenseNova multimodal AI platform. During its public beta, it offers generous free quotas for models like SenseNova 6.8 Flash Lite and U1 Fast, suitable for complex office workflows.

models: SenseNova 6.7 Flash-Lite, SenseNova U1 Fast, DeepSeek V4 Flash +1

LongCat is Meituan's large model API platform (longcat.chat/platform), offering OpenAI/Anthropic-compatible endpoints. During its public beta phase in 2026, it provides generous daily free token allowances for models including LongCat-Flash and LongCat-2.0, with a context window of 131K tokens.

models: LongCat-Flash-Chat, LongCat-Flash-Thinking, LongCat-Flash-Lite

The xAI Console is the official developer interface for Elon Musk's Grok models. It offers a usage-based API with prepaid credits, prioritizing performance and direct access to their flagship large language models.

models: grok-beta, grok-2, grok-3 +1

You.com provides a specialized Web Search API for AI agents and LLM applications. It offers real-time web intelligence and structured search results (snippets, full text). Features a consumption-based pricing model and generous onboarding credits for new developers.

ModelScope (modelscope.cn), backed by Alibaba Cloud, is an open-source model community and inference platform. It provides a free API tier allowing users to make up to 2,000 OpenAI-compatible calls per day across a wide range of open-source models (Qwen, DeepSeek, GLM).

models: Qwen family (most stable), DeepSeek-V3.1, Kimi +2

Gladia is a speech-to-text API provider offering high-accuracy asynchronous and real-time transcription across 100+ languages. It features speaker diarization and automatic language detection, billed via a prepaid credit wallet system with a significant free starting grant.

Context7 (powered by Upstash) is a documentation search API for LLMs, providing up-to-date context from libraries and codebases. It offers an anonymous free tier and a free API key for higher limits to support coding agents.

Groq Cloud provides ultra-fast LLM inference using its proprietary LPU (Language Processing Unit) hardware. It offers an OpenAI-compatible API with a substantial free tier for developers to test and build applications at scale.

models: Qwen family, Whisper Large v3, Llama-3.1-8B-Instruct +1

Baseten is a robust model inference and deployment platform that enables enterprises to run custom and open-weights models in production. It offers high scalability, dedicated GPU infrastructure, and a developer-friendly API for deploying models from a comprehensive library.

models: Any supported model in their library (billed by compute; no fixed free-model list)

Cerebras Inference is powered by wafer-scale WSE chips, offering world-leading inference speeds. It provides an OpenAI-compatible API with $5 in free credits and generous rate limits for developers. Details were checked against the provider's own page at www.cerebras.ai.

models: gpt-oss-120b, Qwen3 32B, Llama 4 Scout +1

Cerebras Inference offers ultra-fast AI inference powered by its Wafer-Scale Engine (WSE-3) technology, achieving record-breaking speeds up to 3000 tokens/s. The official API is OpenAI-compatible and features a generous free tier alongside professional pay-as-you-go access.

models: Llama 3.1/3.3 family, Qwen 3 family (per official model list), Llama 4 Scout +1

Exa is an internet-scale search and content extraction API designed for AI agents. It features embeddings-based search, deep research capabilities, and structured content retrieval. Details were checked against the provider's own page at exa.ai.

Z.ai is Zhipu AI's international developer platform, offering access to the GLM (General Language Model) family. It provides a high-performance alternative to Western models, with the GLM-Flash series offered permanently for free to developers to encourage global adoption of its flagship reasoning models.

models: GLM-4.5-Flash, GLM-4.6V-Flash, GLM-4.7-Flash

Voyage AI specializes in state-of-the-art embedding models and rerankers. It provides a managed API for high-quality vector embeddings (voyage-4 family) and efficient reranking, optimized for RAG applications. Offers a highly generous free tier for developers.

Alibaba Cloud Model Studio (Bailian) is the official international platform for Qwen and other foundation models. It offers 1 million free tokens per model for new users and a 50% discount on batch inference.

DeepInfra is a high-speed inference cloud for open-source AI models. It provides an OpenAI-compatible API for text generation, embeddings, and image generation. Authentication uses a standard API key from its dashboard.

models: Meta: Llama 3.1 405B Instruct, Meta-Llama-3.1-70B-Instruct, Llama-3.1-8B-Instruct +3

Google AI Studio (ai.google.dev) is the official developer platform for Google's Gemini model family. It offers both a generous free tier for prototyping and a paid production tier with higher rate limits, context caching, and data privacy guarantees.

models: Gemma 4 26B A4B , Gemma 4 31B, Gemini 2.5 Flash Lite +3

Lightning AI (LitAI) provides a unified gateway to frontier models through an OpenAI-compatible API. New users receive 40 million free tokens (approx. $15 in credits) to test models like Claude, GPT, and Gemini. Usage beyond the initial credit is billed as pay-as-you-go.

models: gpt-5 / gpt-5.5 family, gemini-3.5-flash / gemini-2.5-pro, nemotron-3-ultra-550b +3

NLP Cloud is a commercial provider hosting various open-model APIs (Llama, Mixtral, Dolphin) with both pay-as-you-go and subscription options. It grants new users $15 in free credit upon phone verification.

models: Llama 3.1 405B, gpt-oss-120b, Llama 3.3 70B Instruct

StepFun Open Platform is the official developer platform of a Chinese AI unicorn, serving its Step-series multimodal models via an OpenAI-compatible API. It supports text, vision, and end-to-end speech models with tiered rate limits and a credits-based free allowance for new accounts.

models: Step-3, Step-series text LLMs, Step-series multimodal/vision models +1

AI21 Labs is an established LLM vendor known for its Jamba model family. The developer platform (api.ai21.com) offers OpenAI-style endpoints for its high-performance models, with a trial credit for new accounts to explore its capabilities.

models: Jamba Large (1.7), Jamba Mini (1.7), Jamba 1.6 Large

Eden AI is a commercial AI aggregation gateway providing a single API to 500+ models. It features cost tracking, automatic fallback, and a unified format for LLMs, vision, and translation. Details were checked against the provider's own page at www.edenai.co.

Upstage Console provides an OpenAI-compatible API for their high-performance Solar models. It features a developer-friendly $10 signup credit and commitment-based tiers for businesses requiring higher rate limits and support.

models: Solar Pro, Solar Mini, Solar Pro 3

Inception Labs offers a cloud inference platform for its in-house diffusion-based LLMs, such as Mercury 2 and Mercury Coder. Designed for extreme efficiency, it provides an OpenAI-compatible API that significantly undercuts GPU-based inference costs while maintaining high reasoning quality.

models: mercury (general chat diffusion model), mercury-coder (code, with fim/completions), mercury-2

Ollama Cloud is the official managed inference platform for the Ollama ecosystem. It allows developers to deploy and call popular open-weights models (Llama, DeepSeek, Qwen) via a unified OpenAI-compatible API, providing a bridge between local development and cloud scale.

models: deepseek-v3.1:671b-cloud, gpt-oss-120b, gpt-oss:20b +1

Requesty is an AI model gateway and router that aggregates over 600 models (Claude, GPT, Gemini, DeepSeek) through a single OpenAI-compatible API. It offers cost optimization, unified billing, and advanced routing features for enterprise and individual developers.

Firecrawl is a search and scrape API designed to turn websites into LLM-ready markdown. It supports crawling, scraping, and real-time search with a usage-based credit system. Details were checked against the provider's own page at www.firecrawl.dev.

InternLM (Shanghai AI Laboratory) provides an open platform with an OpenAI-compatible API. It offers a monthly free token allowance for its InternVL and long-thinking reasoning models. Details were checked against the provider's own page at internlm.intern-ai.org.cn.

models: intern-latest, intern-s1, intern-s1-mini +2

Modal (modal.com) is a serverless compute platform optimized for AI infrastructure. Rather than a per-token API, it bills by the GPU-second, allowing developers to deploy custom models. A 'Starter' tier provides $30/month in free compute credits.

models: No fixed free-model list (self-deploy any supported model, billed by compute)

Pollinations.ai is a Berlin-based open-source platform providing a signup-free, OpenAI-compatible API for text, image, and audio generation. It aggregates multiple open-weights models (DeepSeek, Qwen, Mistral) and offers them for free to foster creative AI development.

models: OpenAI GPT-5 (Mini/Nano/5.2), Google Gemini 3 Flash / 2.5 Flash Lite, Mistral Small 3.2 +3

SambaNova Cloud provides fast LLM inference on specialized RDU hardware. It offers an OpenAI-compatible API with a persistent free tier (Developer Tier) and pay-as-you-go credits for higher rate limits.

models: Llama 3.1 405B, DeepSeek-V3.1/V3.2, gpt-oss-120b +2

Vercel AI Gateway is a unified API gateway that allows routing to hundreds of models from various providers through a single OpenAI-compatible endpoint. It provides observability, budgets, and zero-data-retention (ZDR) options with no token markup over upstream list prices.

models: Access to OpenAI/Anthropic/Google/Meta/DeepSeek and more via the gateway (at upstream list prices)

v0 by Vercel is an AI-powered full-stack web application builder that generates React components and backend logic. Usage is metered on input and output tokens which convert to credits. It provides access to various models including v0 Mini, Pro, and Max tiers.

AnyAPI is a commercial multi-model API aggregation gateway providing access to 400+ models via a single key. It offers a generous free tier for developers and scales to high-volume enterprise plans, supporting models from OpenAI, Anthropic, and open-weights families.

models: QwQ 32B, Gemma 4, Qwen3 Coder +3

Dify is an open-source LLM app development platform. Its cloud service (Dify Cloud) provides hosted model access via an API, with credits consumable across OpenAI, Anthropic, Gemini, and others. Details were checked against the provider's own page at dify.ai.

Qiniu Cloud AI LLM Inference is a managed MaaS platform that provides a unified, compliant API for over 50 mainstream LLMs. It is compatible with both OpenAI and Anthropic protocols, offering new users substantial free tokens and flexible resource packages for production scaling.

models: DeepSeek-V4 series, Qwen, GLM (Zhipu) +3

SiliconFlow (SiliconCloud) is a premier Chinese AI model platform offering high-performance inference for a wide range of open-source models (Qwen, Llama, DeepSeek). It is notable for providing free, permanent API access to models with parameters under 9B, alongside competitive pay-as-you-go rates for larger flagship

models: Qwen2.5-7B-Instruct, Llama-3.1-8B-Instruct

The official Moonshot AI developer platform for Kimi models. Offers pay-as-you-go access to Kimi K3, K2.7-Code, and K2.6 over an OpenAI-compatible API. One-off trial credits available upon verification.

Official Moonshot AI developer platform for Kimi models. Offers pay-as-you-go access to Kimi K3, K2.7-Code, and K2.6 over an OpenAI-compatible API. One-off trial credits available upon verification. Details were checked against the provider's own page at platform.moonshot.cn.

models: moonshot-v1-8k, moonshot-v1-32k, moonshot-v1-128k +1

Cohere provides enterprise-ready LLMs optimized for search, RAG, and agentic workflows. Its official API offers free Trial keys for development and evaluation, alongside high-performance production endpoints for models like Command R+ and the Aya multilingual series.

models: Command R (08-2024), Command R+ (08-2024), Command R+ +2

ElevenLabs is a leading AI audio platform providing high-fidelity text-to-speech, speech-to-speech, and voice cloning APIs. It supports multiple languages and low-latency streaming for voice agents. Details were checked against the provider's own page at elevenlabs.io.

GitHub Models (models.github.ai) was an official model-inference platform by GitHub for prototyping. As of July 30, 2026, the service has been fully retired and the catalog/API are no longer available. Users are directed to Azure AI for production workloads.

models: Llama family, GPT-4o, GPT-4o-mini

OpenRouter is a commercial LLM gateway aggregating 500+ models from every major provider. It offers a single OpenAI-compatible API with a platform fee (5.5%) and a selection of free models for development.

models: Auto Router, Free Models Router, qwen/qwen3-next-80b-a3b-instruct:free +3

Hvoy AI is a specialized diagnostic and directory site for third-party AI API gateways. It performs continuous latency, uptime, and model-adulteration testing to help developers benchmark and select relay providers. Mirrored at hvoyai.com.

models: sonnet-4.6 (reverse-proxied, limited freebie), gpt5.3 (reverse-proxied, limited freebie)

Electron Hub provides a unified API to 600+ models, including premium frontier models (GPT, Claude, Gemini). It offers weekly credit refills on both free and paid subscription plans, plus permanent top-ups.

models: Meta: Llama 3.1 405B Instruct, claude-sonnet-5, Google Gemini Pro Latest +1

FastRouter is a high-performance gateway for AI model routing, comparison, and operations. It supports 200+ models via an OpenAI-compatible API with intelligent cost optimization and failover. Details were checked against the provider's own page at fastrouter.ai.

models: gemini-3.5-flash-lite, gpt-5.6-luna, DeepSeek V4 Flash +3

Fireworks AI is a high-speed serverless inference platform for open-weights models (Llama, Qwen, DeepSeek). It provides an OpenAI-compatible API optimized for low latency and high throughput. Details were checked against the provider's own page at docs.fireworks.ai.

models: Llama family, DeepSeek family, Qwen family

Hyperbolic (hyperbolic.ai) is an open-access AI cloud providing high-performance serverless inference and GPU rentals. It offers an OpenAI-compatible API to 25+ open-source models including DeepSeek, Qwen, and Llama 3.1 405B. New users receive roughly $1 in trial credits upon phone verification.

models: DeepSeek V3, Llama 3.1 405B (BF16, currently the only public 405B Base), Qwen family +2

Hyperbolic (hyperbolic.xyz) is the API-specific endpoint for Hyperbolic's AI cloud. It provides serverless inference for over 25 open-source models through an OpenAI-compatible /v1 endpoint. The platform supports text, image, and audio generation with pay-as-you-go pricing.

models: DeepSeek V3, Llama 3.1 405B, Qwen family +1

Nebius AI Studio is a European AI cloud offering an OpenAI-compatible API to 60+ open-source LLMs; it provides high-performance inference-as-a-service with European data residency and transparent pay-as-you-go pricing.

models: DeepSeek family, Llama/Qwen and 60+ open-source models, Qwen3-235B-A22B +1

Nebius AI Studio is a European-based GPU cloud platform providing managed inference for top open-source LLMs like Llama 3.1 and DeepSeek R1. It leverages its own EU data centers to offer high-performance, privacy-compliant inference with transparent pay-as-you-go pricing tailored for both developers and enterprises.

models: DeepSeek family, Qwen family, Llama-3.1-8B-Instruct

OVHcloud AI Endpoints is an inference API from the established European cloud provider OVHcloud. It offers OpenAI-compatible access to open-weight models with anonymous and registered free tiers for developers.

models: Qwen, Mistral, Llama +1

iFlytek Spark (Xunfei Xinghuo) is a large model platform providing access to the Spark LLM family. It offers a permanently free Spark Lite version and significant one-time token allowances for newer users. The API is OpenAI-compatible and supports various modalities including text, image, and voice.

models: Spark Lite (permanently free), Spark Max (limited/campaign free), Spark Pro/other versions (limited free tokens)

Aion Labs provides specialized fine-tuned models for immersive roleplay and storytelling. Its API is OpenAI-compatible and features a long-term daily free allowance for developers, with higher tiers available upon account top-up.

models: aion-2.5, aion-1.0, aion-1.0-mini +2

Novita AI is a developer-focused inference cloud offering an OpenAI-compatible API to models like DeepSeek, Qwen, and Llama. New users receive a $0.50 trial credit; service is otherwise pay-as-you-go with very low latency.

models: DeepSeek family, Qwen family, Llama family

Scaleway Generative APIs offer a serverless, OpenAI-compatible endpoint for deploying open LLMs. Hosted in Europe, it emphasizes data sovereignty and grants 1,000,000 free tokens to all customers to jumpstart development.

models: Mistral family, Qwen family, Pixtral 12B (2409) +3

Poe by Quora is a major AI aggregator and bot-building platform. It provides an OpenAI-compatible API that allows developers to access hundreds of models (GPT, Claude, Gemini, Llama) using a unified credits-based billing system. Poe also supports custom server bots via the Poe Protocol.

Cloudflare Workers AI allows running AI models on Cloudflare's global network. It provides an OpenAI-compatible API for inference, embeddings, and image generation, billed in compute 'Neurons'. Details were checked against the provider's own page at developers.cloudflare.com.

models: Gemma family, Llama family, Qwen family +3

Hugging Face is the leading hub for open-source AI, offering model hosting, datasets, and serverless inference. It provides a permanent free tier for basic CPU spaces and community GPU grants, with professional-grade Inference Endpoints available on a pay-as-you-go basis.

models: Llama family, Qwen family, Gemma family +2

Nomic AI provides the Atlas Embedding API and open-weight models like nomic-embed. It offers a monthly free tier for its embedding API and is transitioning to focus on document AI for specialized industries.

models: nomic-embed-text-v1.5, nomic-embed-text, nomic-embed-vision

All API Hub is an open-source browser extension and account manager for the New-API/Sub2API ecosystem. It provides a unified dashboard for tracking balances, usage, and auto-checking across multiple relay providers, rather than serving as an API endpoint itself.

Apishop is a professional AI API gateway designed for developers in mainland China. It provides direct, low-latency access to Anthropic, OpenAI, and Gemini models with zero code changes required. Billing is transparently mapped 1:1 to official USD rates but paid in local currency.

AssemblyAI is a leading speech-to-text API provider offering high-accuracy transcription (Universal-3.5 Pro) and a multi-model LLM Gateway. It supports OpenAI-compatible routing for its language model features. Access is pay-as-you-go after a free trial.

Azure AI Foundry (formerly Azure AI Studio) provides access to a vast catalog of models including OpenAI, Anthropic, and Llama. It features a unified API surface and enterprise-grade management. Pricing is unified under Azure's pay-as-you-go model.

models: Claude 3 Haiku, DeepSeek Chat, Phi 4 +1

Azure OpenAI Service provides REST API access to OpenAI's powerful language models including the GPT-4 and GPT-5 series with Azure's enterprise capabilities. It uses a strictly pay-as-you-go or provisioned throughput model.

models: gpt-5.6-luna, GPT-4o-mini, GPT-4o +2

Black Forest Labs (api.bfl.ai) provides official API access to the FLUX diffusion model family. It is a credit-based image generation API where users purchase balance to generate high-fidelity images using FLUX.2 and FLUX.3 models.

BFL ML (api.bfl.ml) is the technical endpoint for Black Forest Labs' FLUX model API. It shares the same credit-based billing as the main bfl.ai domain, providing high-performance access to diffusion models for production workloads.

Brave Search API offers privacy-preserving web search results for AI grounding. It features a $5 monthly free credit and is priced per 1,000 queries plus token usage for the LLM-powered context features.

Cartesia offers ultra-fast text-to-speech (Sonic) and speech-to-text (Ink) APIs. It uses a credit-based subscription model starting at $5/mo, with a free tier providing 20,000 credits monthly for development.

OpenAI Codex is the specialized model family for coding tasks, now integrated into the flagship GPT models. It provides a specialized developer tier for high-performance code generation, planning, and task automation.

models: gpt-5.6-sol

DataRobot is an enterprise AI platform that provides centralized access to a wide range of LLMs through its AI Gateway. It emphasizes model governance, security, and unified billing for large-scale enterprise AI deployments.

models: Google: Gemma 3 9B, Meta-Llama-3.1-70B-Instruct, claude-sonnet-5

Databricks Foundation Model Serving provides enterprise-grade access to open foundation models like Llama 3.3 and DBRX. It is billed per token using Databricks Units (DBUs), integrated into the broader Databricks Data Intelligence Platform.

models: Meta: Llama 3.1 405B Instruct, Meta-Llama-3.1-70B-Instruct, Mistral: Mixtral 8x7B Instruct +1

DigitalOcean Inference provides a unified control plane for AI model inference. It offers serverless access to foundation models (Anthropic, OpenAI, DeepSeek, Kimi) at provider-aligned rates, plus dedicated GPU deployments.

models: Meta-Llama-3.1-70B-Instruct, Llama-3.1-8B-Instruct, Mistral: Mixtral 8x7B Instruct

Doubao (by Bytedance/Volcengine) provides a suite of models including the high-performance Doubao-Pro and Lite series. It is a major Chinese cloud provider with native API endpoints. Details were checked against the provider's own page at www.volcengine.com.

models: ByteDance: Doubao Lite 32k, ByteDance: Doubao Pro 32k

Factory provides the 'Autonomy Stack' for enterprise engineering teams, featuring autonomous 'Droids' that code, review PRs, and manage wikis. It offers model routing across 200+ models. Details were checked against the provider's own page at factory.ai.

models: minimax-m2.7, [次]kimi-k2.5, GLM-5.1

Fal.ai provides serverless inference and GPU compute for media generation models (Wan, Kling, Flux). It offers output-based pricing for image/video and time-based pricing for dedicated GPU fleets. Details were checked against the provider's own page at fal.ai.

Featherless AI provides serverless access to LLMs and agent runtimes. It offers subscription-based 'Chat' plans with unlimited tokens and credit-based 'Developer' plans for API usage. Details were checked against the provider's own page at featherless.ai.

models: Ling 3.0 Flash, Laguna S 2.1, Qwen3.8 27B +3

FreeInference.org is a research-focused AI API gateway built at Harvard SEAS MadSys Lab. It provides free OpenAI-compatible access to frontier open models for the research and education community. No credit card is required for access.

models: Qwen3 Coder, MiniMax-M3, DeepSeek V4 Flash +1

FriendliAI is a high-performance AI inference platform specializing in serving frontier open-weight models like GLM, DeepSeek, and Llama with industry-leading speed. It offers serverless Model APIs, dedicated GPU endpoints, and on-premise containers.

models: Meta-Llama-3.1-70B-Instruct, Llama-3.1-8B-Instruct, Mistral Nemo +1

BigModel.cn (智谱AI) is the official platform for GLM series models, offering high-performance text and multimodal (image/video) inference. It features flagship models like GLM-5.3 and provides a permanent free tier for Flash models along with significant token grants for new users.

models: glm-5.3-flash, glm-5.3, GLM 5 Turbo

GitLab Duo is a suite of AI-powered features integrated into the GitLab DevSecOps platform. It uses models like Claude and Gemini to provide code suggestions and chat. API access is powered by 'GitLab Credits', which can be purchased or included in premium plans.

models: claude-sonnet-5, gemini-3.1-pro-preview

Google Jules is an AI-driven cloud coding agent platform. It allows developers to automate complex coding tasks and manage cloud resources via a dedicated API. It is part of Google's broader AI ecosystem for developers.

models: Gemini 2.5 Pro, gemini-3.1-pro-preview

Heroku AI is a suite of managed AI services on the Salesforce Heroku platform. It enables developers to integrate and scale AI features using vector databases and third-party AI add-ons. It focuses on simplifying the transition from prototype to production for AI applications.

models: Nova Lite 1.0, MiniMax M2, Qwen: Qwen3 72B

HvoyAI.com (formerly Hvoy.ai) is the primary domain for the Hvoy AI diagnostics platform. It provides API key testing tools, gateway rankings, and comparative performance data for AI relay providers across the global ecosystem.

IBM watsonx.ai Gateway provides managed access to foundation models from IBM and third parties. It offers an OpenAI-compatible endpoint and enterprise-grade tools for model governance and scaling. Access is available via pay-as-you-go billing per million tokens.

models: Meta-Llama-3.1-70B-Instruct, Mistral Large

Jina AI (Foundation API) provides specialized AI models for search and RAG, including high-quality embeddings, reranking, and a Reader API that converts web content to LLM-friendly markdown. The Reader API is currently free for developers, while other APIs follow token-based usage billing.

Lambda AI (Lambda Labs) is a premier GPU cloud provider offering serverless inference for large open-source models like Llama 3.1 405B. It provides a robust, developer-centric platform for high-performance AI tasks with usage-based billing.

models: Meta: Llama 3.1 405B Instruct, Mistral Large

Liquid AI develops Liquid Foundation Models (LFMs), a new class of efficient, hybrid AI models. The platform offers serverless inference for models like LFM-2.5-2.6B, which are free for use by companies with annual revenue under $10 million.

models: LiquidAI: LFM2.5-2.6B (free)

Magnific (formerly Freepik) is a professional AI creative platform offering image, video, and audio generation and upscaling. Its API provides credit-based access to proprietary models like Nano Banana 2 and Seedream 5.0, with subscription tiers ranging from a limited free plan to professional unlimited tiers.

Meta Model API (developer.meta.com) is the official hosted inference service for Llama and Muse models. It provides OpenAI- and Anthropic-compatible endpoints with pay-as-you-go pricing for frontier models like Muse Spark and specialized models for transcription and reasoning.

models: Muse Glimmer 30B, Muse Spark 1.3, Muse Spark 1.2 +3

Mixedbread AI is a specialized provider of knowledge-retrieval models and agents. Its platform offers an OpenAI-compatible API for its 'Toast' agent models, alongside managed search and indexing services billed by content tokens. It features a $5 one-time free credit for new users.

NVIDIA NIM (Build) is NVIDIA's official hosted model-inference service, providing API access to over 100 frontier open-source models (Llama 3.3, Nemotron, DeepSeek). It features a permanent free tier with a 40 RPM limit, authenticated via a standard API key and accessible through an OpenAI-compatible endpoint.

models: Nemotron 3 Nano 30B A3B, Nemotron 3.5 Lightning, Nemotron 3 Super +3

OCI Generative AI is Oracle's enterprise-grade inference service hosting Llama and Cohere models. It provides on-demand and dedicated hosting with native integration into the Oracle Cloud ecosystem. Details were checked against the provider's own page at www.oracle.com.

models: Command R (08-2024), Meta-Llama-3.1-70B-Instruct, Command R+ (08-2024)

OpenAI is the developer of GPT-4o, o1, and other leading LLMs. It offers a usage-based API for developers with tiered processing (Fast/Batch) and extensive multimodal capabilities including audio and video generation.

models: GPT-4o-mini, o3 Mini, o4 Mini +3

Perplexity provides the Sonar API for usage-based AI search and reasoning. It offers a limited free tier for end-users and a usage-based API for developers, optimized for real-time grounded answers. Details were checked against the provider's own page at perplexity.ai.

models: Perplexity default free search model (basic Sonar class)

Regolo AI provides scalable serverless AI infrastructure with a focus on privacy and zero data retention. It serves popular open-source models (Llama, Mistral, Qwen) via an OpenAI-compatible API, offering monthly token capacity plans and a flexible free trial.

models: Qwen3.8 27B, Gemma 4 31B, gpt-oss-120b +3

SearchAPI is a real-time SERP scraping API providing structured data from Google, Bing, Baidu, and more. It is designed for AI agents and developers, offering an OpenAI-compatible interface and a focus on 'pay-per-success' results.

Snowflake Cortex is a managed service within the Snowflake Data Cloud that provides access to LLMs (Llama, Mistral, Gemma) and AI functions. It uses a credit-based system where usage is billed per million tokens processed, independent of the Snowflake edition.

models: Meta-Llama-3.1-70B-Instruct, Llama-3.1-8B-Instruct, Gemma 2 27B +1

Stability AI provides a developer platform for its generative models, including Stable Diffusion 3.5 and Stable Audio. The API uses a credit-based system where different tasks (image generation, upscaling, editing) consume varying amounts of credits.

Suno is a leading generative AI platform for music and audio. It offers subscription-based access to its music generation models (v3.5, v4) with daily or monthly credit allowances. Credits are used to generate songs, extend tracks, and extract stems.

Tavily is an AI-optimized search engine designed for LLMs and RAG systems. It provides structured, clean web data and content extraction without the need for manual scraping. It offers an API with a free monthly credit allowance.

Tencent Hunyuan (混元) is a series of large-scale AI models integrated with the Tencent ecosystem (WeChat, Tencent Cloud). It offers strong Chinese language support and multimodal capabilities, including vision and code generation.

models: Hunyuan A13B Instruct, Hy4 preview, Hy3

Together AI is a leading cloud provider for open-source AI models, offering serverless inference, provisioned throughput, and dedicated clusters. It hosts over 100 models, including Llama, Qwen, and Mistral, with highly competitive per-token pricing.

models: Meta-Llama-3.1-70B-Instruct, DeepSeek Chat, Qwen2.5 72B Instruct +2

Topaz Labs specializes in AI-powered image and video enhancement software (Photo AI, Video AI). While primarily a desktop application suite, it offers cloud-based rendering and is associated with AI model APIs for media processing.

OpenTyphoon is a Thai-focused AI model platform by SCB 10X. It provides free access to models like Typhoon 2.5 via its hosted API at opentyphoon.ai. Production-grade access is offered through partners like Together AI and Float16.

Udio is an AI music generation platform that allows users to create high-fidelity audio tracks from text descriptions. It offers both a free tier with daily credits and subscription plans with higher quotas and advanced features (Voice Control, stem extraction).

Volcengine is ByteDance's enterprise cloud platform. Its Ark (Huoshan Fangzhou) platform provides access to the Doubao (Doubao) model family and other high-performance LLMs. Supports OpenAI-compatible API calls and various billing plans including token-based monthly packages.

models: Qwen-Plus, zai-glm-4.7

The Volcengine Ark Agent Plan is a subscription-based billing option for the Ark platform, offering monthly token quotas for Doubao and other models. It is designed for developers requiring predictable monthly costs and higher quotas than standard PAYG.

models: Qwen-Plus, zai-glm-4.7

Weights & Biases Weave provides an inference router and observability tools for AI development. It integrates with OpenRouter and other providers to offer a unified, OpenAI-compatible endpoint for model testing and production deployments.

models: gpt-oss-120b, gpt-oss:20b, Qwen3 235B A22B Thinking 2507 +2

Writer is an enterprise generative AI platform featuring its own family of Palmyra models. It provides a consumption-based API for Palmyra X6, X5, and X4 models, optimized for business writing, data security, and precision. It does not natively use OpenAI-compatible request shapes.

models: Palmyra X5

Xiaomi MiMo (mimo.mi.com) is the official AI open platform for Xiaomi's in-house large models. It offers an OpenAI-compatible API for the MiMo-V2.5 series, featuring a high-concurrency token plan (¥60 for 50B tokens) and competitive per-million token pricing for Pro and Flash variants.

models: MiMo-V2.5, MiMo-V2-Flash, MiMo-V2-Pro (time-limited/quota-limited free) +1

Yi is the model family by 01.AI, offering high-performance LLMs including Yi-Lightning and Yi-Large. The developer platform provides OpenAI-compatible API access with usage-based billing. It is optimized for both Chinese and English language tasks.

spark-api-open.xf-yun.com is the OpenAI-compatible HTTP endpoint for iFlyTek's Spark (讯飞星火) LLM. It provides access to multimodal models via the iFlyTek Open Platform. A permanently free 'Lite' version is available for developers.

models: Spark Lite (model=lite), Spark Pro/Max/4.0 Ultra (one-off free token packs only; paid after depletion)