What is Mistral AI?
Quick answer
Mistral AI is a French AI company, founded in 2023, that makes both open-weight and commercial language models and a chat assistant called Vibe, which was named Le Chat until August 2026. It is Europe's best-known maker of large AI models.
Last updated
Updated · By Robert Breen
Why it matters for a small business
Mistral appeals to businesses that want a European vendor or the option to run models themselves. As of October 2026, its pricing page lists Free, Pro at $14.99 a month, Team at $24.99 per user a month and Enterprise at custom pricing. In October 2026 it announced Mistral Large 4, saying the weights will be published, and it releases smaller models such as Mistral Small 4 under the permissive Apache 2.0 license.
Who it suits: European firms that care where their AI vendor is based, developers who want strong open-weight models, and teams that want a lower-cost team plan. On data, Mistral's help center says chats on the standard assistant are used for training by default with an opt-out toggle, that Enterprise is opted out by default, and that zero data retention is available on request. If you use a personal account for work, turn the training setting off first.
In a real lesson: n8n AI Agent Tutorial: Save Social Media Ideas to Google Sheets
Stepthrough has no Mistral lesson. The AI Social Media Idea Agent lesson shows where Mistral would fit: the agent's Chat Model slot, where the lesson connects OpenAI with an API key.
n8n offers a Mistral chat model node too, so the same agent, with the same BrightPath Marketing system prompt and Google Sheets tool, could run on a Mistral model. Swapping models in one slot and testing the output is the fair way to compare vendors.

Try this lesson free or read the step-by-step guide.
Common confusions
Mistral AI vs Vibe
Mistral AI is the company. Vibe is its assistant app, still at chat.mistral.ai, and was called Le Chat until August 2026.
Open-weight vs commercial Mistral models
Some Mistral models can be downloaded and run anywhere; others are only available through Mistral's API or apps. Check the license on each model.
Tips
- Turn off the training toggle before using a personal Vibe account for work.
- Compare a Mistral model against your current one on the same task before switching.
Related terms
More AI assistants terms
Where you use it: free lessons
More free tutorials
Frequently asked questions
- Is Le Chat the same as Vibe?
- Yes. Mistral renamed Le Chat to Vibe in August 2026, adding Work, Code and Chat modes. The web address is still chat.mistral.ai.
- Is Mistral AI open source?
- Partly. Many Mistral models are released with open weights, several under Apache 2.0, while others are commercial. Each model page lists its license.
- How do I try Mistral?
- Sign up for the free plan at chat.mistral.ai or in the mobile app. Developers can get an API key from Mistral's platform and pay by tokens.