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AI model by Mistral AI

Mistral Large 3 for business

Mistral's open-weight general-purpose flagship under Apache 2.0, with image input, tool calling, structured outputs and a 256K token window.

  • Reviewed on September 24, 2026
  • Mistral AI

Capability tiersRelative, not benchmarks

Reasoning High
Coding High
Vision Medium
Speed Medium
Price level Low
Context size High
Tool calling Very high
Structured output Very high

Key facts about Mistral Large 3

Model ID at review
mistral-large-2512
Provider
Mistral AI
Main category
General purpose
Open weights
Yes, Apache 2.0
Last reviewed
September 24, 2026

Fit

Where it fits and where it does not

Good at

  • General assistant, drafting and extraction work.

  • Image input with text.

  • Tool calling and structured outputs.

  • A permissive Apache 2.0 license for self-hosting.

  • Use through the Mistral API or on your own hardware.

Not the right choice for

  • Small servers, since it is a very large model.

  • Teams that only need simple, high-volume tasks.

  • Audio or video input.

  • Decisions without a test on your own data.

Use cases

Business use cases we would use it for

Business assistants

Assistants that answer from documents and call your tools. See AI chatbots.

Document extraction

Reading contracts and forms into structured data. See AI document processing.

Controlled hosting

Running a capable model in the environment of your choice.

Our notes

When we would choose it

Mistral Large 3 was released in December 2025. Mistral describes it as an open-weight, general-purpose multimodal model, and publishes it under the Apache 2.0 license. It accepts images, supports tool calling and structured outputs, and has a 256K token context window. It is a mixture-of-experts model with 675 billion parameters in total and 41 billion active per token.

The combination of a permissive license and strong capability is unusual. It means a business can use the same model through the Mistral API today and move it to its own infrastructure later, without changing models. For companies with strict data rules, that flexibility is valuable.

Self-hosting a model this size is a serious project, though. For most teams, the Mistral API or a cloud provider is the practical way to use it. If you need something smaller to host yourself, look at Mistral Small 4.

We would include Large 3 in a comparison with Claude Sonnet, GPT-6 Sol and DeepSeek, especially where cost, European hosting or open weights matter. See AI model evaluation.

Mistral also lists Mistral Medium 3.5, released in April 2026 as a newer open-weight model for agent and coding work under a modified MIT license. It is worth adding to the same test if your work leans toward agents or code.

Before you commit

Things to check before you commit

  • Hardware for self-hosting

    It is a large mixture-of-experts model. Price the hardware before planning to host it.

  • Data terms

    If you use the Mistral API, check data terms and regions.

  • Quality

    Compare with hosted leaders on your own tasks.

  • Price level

    The API price is low for its class. Confirm current rates.

Alternatives

Models to compare it with

Mistral Small 4

Mistral's efficient open-weight model under Apache 2.0, one hybrid model for instructions, reasoning and coding, with tool calling and a 256K window.

Llama 4 Maverick

The larger Llama 4 open-weight model, with image input and a 1 million token context window, for self-hosted assistants and analysis.

DeepSeek V4.1 Flash

DeepSeek's default, best-value model: open weights under MIT, image input, tool calling, JSON output, optional thinking and a 1 million token window.

Keep exploring

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