Comparisons

Moon AI vs Mistral Vibe (formerly Le Chat).

The assistant from Mistral AI, a French company, runs on the models Mistral builds. Moon AI, built in France by Stellarr Studio, brings Mistral and more than 100 other models from several providers into one subscription.

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Moon AI

Stellarr Studio SAS, France

from€9.90per person per month, VAT included

Free plan with no credit card. Lune at €9.90, Étoile, recommended, at €19.90, always with no commitment.

Mistral Vibe (formerly Le Chat)

Mistral AI SAS, France

€17.99 a month, VAT included

€17.99 a month, taxes included. Checked on November 13, 2026 on the official pricing page.

POINT BY POINT

The same twelve criteria, by theme.

Prices checked on November 13, 2026; other criteria checked on August 2, 2026 on both companies’ public pages. If anything differs, the official page prevails.

Moon AI and Mistral Vibe (formerly Le Chat), criterion by criterion
Criterion	Moon AI	Mistral Vibe (formerly Le Chat)
Price
Entry priceThe price of the first paid tier, as shown to a visitor in France.	Free with no credit card, then €9.90 per person per month, VAT included (Lune)	€17.99 a month, VAT included
Free planWhether there is a tier you can use without paying.	Yes, no credit card	Yes, Free tier (up to 15 GB)
Models
AI models availableNumber and range of models included in the subscription.	More than 100 models from several providers	Mistral family only (Medium 3.5, Small 4)
Privacy policy
Company based inThe company that runs the service and the country of its headquarters.	France (Stellarr Studio SAS)	France
Data hostingWhere processing takes place, as publicly documented.	App and storage in France (OVHcloud); requests processed by the model provider	EU providers prioritized (policy)
Reversible masking before sendingReplacement of the sensitive data detected before it is sent to the models.	Moon Blur, more than 150 categories	Not documented
Creation and automation
Office documentsGeneration of Word, Excel, PowerPoint and PDF files.	Word, PDF, Excel, PowerPoint	PDF and presentations (Canvas)
AutomationsAutomated tasks without writing code.	Agents and routines, no visual builder	Yes, through Mistral Studio
Business connectorsNative integrations with work tools.	Dozens of connectors	More than 100, MCP compatible
Devices and language
Mobile appsNative apps published on the app stores.	Native iOS and Android	Yes, iOS and Android
Coding agent in the terminalCommand-line tool for developers.	Moon CLI	Yes, Vibe CLI (Devstral)
FrenchInterface and support in French.	Interface and support	Yes, French interface
	Start for freeStart	Official pricing page

Start for free Mistral Vibe (formerly Le Chat) pricing page

What Mistral Vibe (formerly Le Chat) does well

A French company registered in Paris, subject to the GDPR and French law, with terms of service dedicated to consumers in the European Union
Models built in-house, some released as open weights (Mistral Large 3 under the Apache 2.0 license), so they can be audited or deployed elsewhere
A broad integration catalog: more than 100 connectors announced and full MCP compatibility (email, calendar, Slack, GitHub, Jira)
Built-in developer tooling: Vibe CLI in the terminal, VS Code, JetBrains and Zed extensions, remote coding agents, hooks and session handoff
Data sovereignty options for large enterprises: self-hosted, private cloud or on-premises deployment, with data staying in the customer’s environment

What Moon AI does differently

Moon AI gives you more than 100 models from different providers (GPT, Claude, Gemini, Gemma, DeepSeek, Mistral, Llama, Grok, Qwen, Command R+, Kimi, MiniMax, plus Moon 6, the in-house model) in one subscription, while Mistral Vibe offers its own company’s model family
Moon AI shows its prices in euros, VAT included, from €9.90 to €249.90 per seat per month, with 20% off each extra seat in the same workspace and no minimum billing. Mistral’s French page lists the Pro plan at €17.99 a month, VAT included (€14.99 excl. VAT), and the Team plan from two seats, as checked on August 2, 2026
Moon AI applies Moon Blur, two-way reversible masking that covers more than 150 categories of sensitive data before sending to a third-party model, then puts the real values back in the response. As of August 2, 2026, the Mistral public documentation we reviewed does not describe an equivalent step
Moon AI’s app and storage are hosted by OVHcloud in Strasbourg and Roubaix. Requests sent to third-party models go through Moon Blur first, which masks the sensitive data it detects. Mistral runs its own models, and its policy says it favors providers based in the European Union
Moon AI generates Word, Excel, PowerPoint and PDF files and offers agents and routines (scheduled or triggered by webhook), native iOS and Android apps, Moon CLI, dozens of connectors, and an interface and support in French

Limits to know about

Facts you can check on the company’s public pages, not value judgments.

The service runs only on its own company’s model family (Mistral Medium 3.5, Small 4, Mistral 3). As of August 2, 2026, the product and pricing pages we reviewed do not describe access to Claude, GPT or Gemini models from the subscription
On the free tier, the company’s documentation states that conversations may be used to improve the models, and users can turn this off themselves. On Pro, Team and Enterprise, they are not used for training by default
As of August 2, 2026, the privacy policy and the Privacy and Data Controls page we reviewed do not describe a reversible masking or pseudonymization step for personal data before it is sent to the model
The Team plan is billed from two seats, so €60 a month, VAT included (€50 excl. VAT), even if only one user is active
As of August 2, 2026, the pages we reviewed document creating documents and presentations through Canvas, and PDF generation. Export to Word, Excel and PowerPoint formats is not described there; these formats are only mentioned for import

So which one should you choose?

Choose Mistral Vibe (formerly Le Chat)

Choose Mistral Vibe if you want a French company that builds its own models and releases some as open weights, if one model family is enough for you, and if you need a very broad integration catalog (more than 100 connectors, MCP compatibility) or a self-hosted, private cloud or on-premises deployment.

Official website

Choose Moon AI

Choose Moon AI if you want to compare GPT, Claude, Gemini, Mistral and more than 100 models in one subscription, if you want Moon Blur to mask the sensitive data it detects before it reaches a third-party model, and if you need Word, Excel, PowerPoint and PDF files, agents and routines, and per-seat billing in euros, VAT included, with no minimum.

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Frequently asked questions

How much does Mistral Vibe cost compared with Moon AI?

As of August 2, 2026, Mistral’s French pricing page lists the Pro plan at €17.99 a month, VAT included (€14.99 excl. VAT, with 20% French VAT) and the Team plan at €29.99 per user per month, VAT included, with a two-seat minimum, so €60 VAT included. Moon AI publishes its prices in euros, VAT included, from €9.90 to €249.90 per seat per month, with 20% off each extra seat in the same workspace and no minimum amount. See the pricing page for details.

Does Mistral Vibe give access to GPT, Claude or Gemini?

Vibe runs on its own company’s models: Mistral Medium 3.5, Mistral Small 4 and Mistral 3. As of August 2, 2026, the product and pricing pages we reviewed do not describe access to Claude, GPT or Gemini models from the subscription. Moon AI includes more than 100 models from different providers in the same subscription, and you can switch from one model to another within a conversation. See the features page.

Are my conversations used to train the models?

Mistral’s documentation states that on the free tier, conversations may be used to improve the models, with an option to turn this off at any time, and that on Pro, Team and Enterprise they are not used for training by default. Conversation retention can be configured (never, 30, 60, 90 or 180 days, or 1 year). On the Moon AI side, the sensitive data detected is masked by Moon Blur before it is sent to a third-party model, then restored in the response.

Where is data processed in each case?

Mistral’s privacy policy says it favors providers based in the European Union and allows for providers outside the EU in exceptional cases, under the European Commission’s standard contractual clauses (Article 46 of the GDPR). On the Moon AI side, the app and storage are hosted by OVHcloud in Strasbourg and Roubaix; requests sent to third-party models go through Moon Blur first, which masks the sensitive data it detects.

Sources

Prices and features of the services listed change over time: if anything differs, the company’s official page prevails. Let us know about any inaccuracy at contact@stellarrstudio.com and we will fix it.

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