Free LLM API Resources — Find & Compare Free AI APIs
Compare 534+ free AI APIs from Google, Groq, NVIDIA, OpenRouter & more. One-click config for Claude Code, Cursor, Codex, and any OpenAI-compatible tool. No credit card required.
Top Free AI APIs Today — 534+ from 31 Providers
| Provider | Model | Rate Limit | Status |
|---|---|---|---|
| z-ai/glm-5.3 Verified | Up to 40 RPM | Online | |
| z-ai/glm-5.3-flash Verified | Up to 40 RPM | Online | |
| deepseek-v4-pro Verified | Session/weekly limits (unpublished) | Online | |
| deepseek-ai/deepseek-v4.1-flash Verified | Up to 40 RPM | Online | |
| zai-org/GLM-5.3-Flash | ~1M tokens/month (shared, varies by model) | Online | |
| Gemini 3.8 Flash Verified | — | Online | |
| minimaxai/minimax-m3.1-flash Verified | Up to 40 RPM | Online | |
| stepfun-ai/step-5-preview Verified | Up to 40 RPM | Online | |
| Qwen3.8-27B | 2 RPM (anonymous) | Online | |
| Qwen3.8 Max Verified | Online |
🔥 New & Recently Updated Free AI API Resources
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Frequently Asked Questions — Free LLM APIs
freellm.net is a comprehensive directory of free LLM API and free AI API resources. Browse 534 free models from 31 providers — Google AI Studio, Groq, NVIDIA NIM, OpenRouter, Mistral, Cohere, and more. Every listing includes rate limits, context windows, API key links, and one-click config snippets for Claude Code, Cursor, Codex, and any OpenAI-compatible tool. No credit card required.
What is the best free LLM API in 2026?
Google AI Studio offers the most capable free tier with Gemini 2.5 Flash (1M context, multimodal, 500 RPD). Groq provides the fastest inference with ultra-low latency. NVIDIA NIM hosts 100+ open models with no credit card required. OpenRouter offers 35+ free models via a single API key.
How do I get a free LLM API key?
Sign up on the provider's website — no credit card required for most. Google AI Studio: aistudio.google.com. Groq: console.groq.com. NVIDIA NIM: build.nvidia.com. OpenRouter: openrouter.ai. Each provider page on freellm.net links directly to the API key signup page.
Can I use free LLM APIs without a credit card?
Yes. Google AI Studio, NVIDIA NIM, OpenRouter, Mistral, Cohere, Groq, Cerebras, Cloudflare Workers AI, and Z AI all offer permanent free tiers without requiring a credit card. Just sign up and get your API key.
How do I configure Claude Code (cc) to use a free LLM API?
Set the ANTHROPIC_BASE_URL environment variable to point to an OpenAI-compatible proxy (such as NVIDIA NIM, OpenRouter, or Groq), and set ANTHROPIC_AUTH_TOKEN to your API key. freellm.net provides ready-to-copy config snippets for every model.
Which free LLM APIs are OpenAI-compatible?
Most providers on freellm.net support the OpenAI SDK format: Groq, NVIDIA NIM, OpenRouter, Mistral, Cohere, Cerebras, Cloudflare Workers AI, and SiliconFlow. This means you can use them with Cursor, Claude Code, and any tool that accepts a custom baseURL.
How can I test a free AI API or free LLM API before integrating it?
Use the freellm.net Playground — paste your API key, pick a model, and chat directly in the browser. No install required. Your key is never stored on our servers; it's sent directly to the model provider.
Is there a free GPT API?
Yes. Groq and Cerebras host openai/gpt-oss-120b and gpt-oss-20b for free with no credit card. GitHub Models retired on July 30, 2026 and no longer provides API access. Cloudflare Workers AI also hosts the gpt-oss family. Browse all free GPT models.
Is there a free Claude API?
Anthropic does not offer a permanent free Claude API tier. However, you can run Claude Code against free backends (NVIDIA NIM, OpenRouter, Groq) by setting ANTHROPIC_BASE_URL. See our one-click Claude Code config — works in 30 seconds.
Is there a free Gemini API?
Yes. Google AI Studio offers Gemini 3 Flash, Gemini 2.5 Flash, and Gemma 3 models for free — 250,000 tokens/minute and 20-500 requests/day depending on the model. No credit card required. Sign up at aistudio.google.com.
Is there a free DeepSeek API?
Yes. NVIDIA NIM hosts DeepSeek R1 and DeepSeek V3 for free (phone verification required). OpenRouter also offers DeepSeek models via its free tier. Cloudflare Workers AI hosts DeepSeek R1 Distill Qwen 32B. Browse all DeepSeek models.
Is there a free Grok API?
GitHub Models retired on July 30, 2026 and no longer provides API access. The former GitHub-hosted Grok offer is no longer available. Official announcement.