Free LLM API Providers

18 providers offering free API access

Compare Free LLM API Providers — Rate Limits, Models & Credit Card Requirements

OpenRouter Card Required
Models 28 · Modalities text, image, audio, reasoning, code
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NVIDIA NIM No Card Required
Models 12 · Modalities text, image
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GitHub Models No Card Required
Models 11 · Modalities text
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Cloudflare Workers AI No Card Required
Models 9 · Modalities text, image
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Groq Card Required
Models 9 · Modalities text
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OVHcloud AI Endpoints Card Required
Models 8 · Modalities text, code, image
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SiliconFlow Card Required
Models 8 · Modalities text, audio
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Mistral AI No Card Required
Models 6 · Modalities text, code, image
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Hugging Face Card Required
Models 6 · Modalities text
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LLM7.io Card Required
Models 6 · Modalities text, code
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Ollama Cloud Card Required
Models 6 · Modalities text
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Cohere No Card Required
Models 5 · Modalities text
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Kilo Code Card Required
Models 5 · Modalities text, code
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Cerebras No Card Required
Models 4 · Modalities text
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ModelScope Card Required
Models 4 · Modalities text
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Z AI (Zhipu AI) No Card Required
Models 3 · Modalities text
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Google Gemini Card Required
Models 2 · Modalities text
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Mistral (La Plateforme) No Card Required
Models 1 · Modalities text
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Frequently Asked Questions

How do I get a free LLM API key?

Click any provider card and then "Get API Key" to go directly to their signup page. Most providers — Google AI Studio, Groq, NVIDIA NIM, OpenRouter, Mistral, Cohere — require no credit card for their free tier.

Which provider has the most free models?

NVIDIA NIM offers 100+ free models. OpenRouter provides 35+ free models via a single API key. Google AI Studio offers the most capable single model (Gemini 2.5 Flash with 1M context).

Which providers are OpenAI-compatible?

Groq, NVIDIA NIM, OpenRouter, Mistral, Cohere, Cerebras, Cloudflare Workers AI, and SiliconFlow all support the OpenAI SDK format. You can use them with any tool that accepts a custom baseURL.

How do I test a provider's API before integrating?

Use the freellm.net Playground — select a model, paste your API key, and chat directly in the browser. Your key is never stored on our servers.