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Mistral AI

AI & Machine Learning · Large Language Models

European AI company offering powerful open and commercial models. Free tier includes access to Mistral Small and open-source models.

No Credit CardEU BasedOpenAI Compatible
Duration

Free experiment tier (with limits)

Credit Card

Not Required

Rating

4.3/5 (145)

Geo Restrictions

None

Rate Limits

Requests per Minute2 RPM
Requests per Day500 RPD
Tokens per Minute500,000 TPM

Free Tier Details

✅ Included

  • Mistral Small (latest)
  • Mistral Nemo
  • Codestral Mamba
  • Embeddings API
  • Function calling

❌ Not Included

  • Mistral Large
  • Mistral Medium
  • Fine-tuning
  • Guardrails API

How to Get Your Free API Key

Sign up at console.mistral.ai.

https://console.mistral.ai

Choose the 'Experiment' plan which is free and doesn't require a credit card.

Go to API Keys and create a new key.

https://console.mistral.ai/api-keys

How to Test Your Key

Send a chat completion request to Mistral Small.

curl https://api.mistral.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"mistral-small-latest","messages":[{"role":"user","content":"Hello!"}]}'

Expected: JSON response with Mistral's completion.

Hidden Limitations

  • Free tier has very low RPM (2 requests per minute)
  • Only smaller models available on free tier
  • Rate limits can change without notice
  • Free tier data may be used for model improvement

Last verified: 2026-02-12 · Last updated: 2026-02-12