Mistral free API key: how to get one
The free Experiment plan covers most Mistral models with low rate limits; your exact limits show in the console.
Checked October 2026. Limits are set by each company and change often.
Mistral
- Kind
- Always free, no card needed
- Free limits
- The free Experiment plan covers most Mistral models with low rate limits; your exact limits show in the console.
- Models
- Mistral Small, Medium, Large, Codestral
The free plan may use your prompts to train models unless you opt out.
How to get it
- Sign up at console.mistral.ai and verify your phone number.
- Choose the Experiment (free) plan.
- Create an API key and paste it under Mistral.
Mistral models in MultiScreenAI
The free tier covers Mistral Small, Medium, Large, Codestral; the others need paid usage on the same key.
Then use it with every other AI at once
Paste the key into MultiScreenAI next to any others you have. One message goes to every model on one screen, and test mode times them and hides the names. A few free keys together go a long way.
Questions
Is the Mistral API key really free?
Yes, there is a free tier, with no card needed. The free Experiment plan covers most Mistral models with low rate limits; your exact limits show in the console.
Which models does a free Mistral key reach?
Mistral Small, Medium, Large, Codestral
Can I use the Mistral key with other AIs at the same time?
Yes. Paste it into MultiScreenAI next to your other keys and one message goes to every model at once, answers side by side.
Other free API keys
- Gemini
- Groq
- OpenRouter
- Vercel AI Gateway
- Cerebras
- NVIDIA NIM
- SambaNova
- SiliconFlow
- GLM (Z.ai)
- Cohere
- Hugging Face
- Ollama Cloud
- Fireworks
- Qwen
- Cloudflare Workers AI
- Pollinations
- OpenAI (ChatGPT)
- Claude (Anthropic)
For AI agents: this page as Markdown