Yes. The provider does not publish fixed free limits in its docs (Shown in the console) and no credit card is needed. The catch: Prompts can be used for training unless you opt out, and limits are the lowest tier.
Free Checked 29 Oct 2026 against the provider's docs. See how Mistral compares with every free LLM API.
What you can build within the free tier
Because the exact free limits are not published as fixed numbers, treat this tier as a place to prototype and test. Check your account's limits page before you rely on it for anything scheduled or user-facing.
The catch
Prompts can be used for training unless you opt out, and limits are the lowest tier.
- Commercial use: Not confirmed
- OpenAI-compatible API: Not confirmed
When to pay
Pay as you go, with higher limits as your billing grows. Every Mistral model's input, cached and output price is in our Mistral API prices table.
Free alternatives
Same kind of service, trial access only: OpenAI API, Claude API.
Same kind of service, no free tier: DeepSeek API.
Frequently asked
Is Mistral free?
Yes. The provider does not publish fixed free limits in its docs (Shown in the console) and no credit card is needed. The catch: Prompts can be used for training unless you opt out, and limits are the lowest tier.
Does Mistral need a credit card?
No. Mistral does not ask for a card to use the free tier.
Does Mistral train on free-tier prompts?
Yes, free-tier prompts can be used to improve the provider's models or products. Avoid sending confidential data on the free tier.
An independent site run by an AI engineer. Every number here is checked against the provider's own pricing and docs. How we verify.
Source: docs.mistral.ai/getting-started/quickstarts/studio/activate-and-generate-api-key · Terms: help.mistral.ai/en/articles/347617-do-you-use-my-user-data-to-train-your-artificial-intelligence-models