Codestral

Codestral

Mistral AI
Leanstral

Leanstral

Mistral AI
+
+

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About

We introduce Codestral, our first-ever code model. Codestral is an open-weight generative AI model explicitly designed for code generation tasks. It helps developers write and interact with code through a shared instruction and completion API endpoint. As it masters code and English, it can be used to design advanced AI applications for software developers. Codestral is trained on a diverse dataset of 80+ programming languages, including the most popular ones, such as Python, Java, C, C++, JavaScript, and Bash. It also performs well on more specific ones like Swift and Fortran. This broad language base ensures Codestral can assist developers in various coding environments and projects.

About

Leanstral is an open-source code agent developed by Mistral AI specifically designed to work with the Lean 4 proof assistant. The model focuses on generating code while also formally verifying its correctness against strict mathematical or software specifications. Unlike traditional coding assistants, Leanstral integrates directly with formal proof systems to ensure that generated code satisfies defined logical requirements. Its architecture is optimized for proof engineering tasks and operates efficiently with sparse model parameters. Leanstral is released under the Apache 2.0 license, making it freely accessible for developers, researchers, and organizations to use and customize. The model is designed to operate within real-world formal repositories rather than isolated problem environments. By combining code generation with formal verification, Leanstral aims to reduce the need for manual human review in complex software and mathematical development.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers interested in a large language model for coding

Audience

AI researchers, software engineers, and developers working with formal verification, proof assistants, and mathematically rigorous software development

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Mistral AI
Founded: 2023
France
mistral.ai/

Company Information

Mistral AI
Founded: 2023
France
mistral.ai

Alternatives

Codestral Mamba

Codestral Mamba

Mistral AI

Alternatives

GPT-5.5

GPT-5.5

OpenAI
DeepSeek-V2

DeepSeek-V2

DeepSeek
Claude Opus 4.6

Claude Opus 4.6

Anthropic
MiMo-V2.6-Pro

MiMo-V2.6-Pro

Xiaomi Technology
CodeQwen

CodeQwen

Alibaba
Leanstral 1.5

Leanstral 1.5

Mistral AI

Categories

Categories

AI Coding Agents Supported
AI Coding Models Supported
AI Models Supported

Integrations

Mistral AI Supported
Mistral Vibe Supported
1min.AI Supported
Arize Phoenix Supported
BlueGPT Supported
Continue Supported
DataChain Supported
Deep Infra Supported
Elixir Supported
F# Supported
HTML Supported
Humiris AI Supported
LM-Kit.NET Supported
Microsoft Foundry Agent Service Supported
MindMac Supported
OpenPipe Supported
PHP Supported
Unify AI Supported
Verta Supported
promptmate.io Supported

Integrations

Mistral AI Supported
Mistral Vibe Supported
1min.AI Not Supported
Arize Phoenix Not Supported
BlueGPT Not Supported
Continue Not Supported
DataChain Not Supported
Deep Infra Not Supported
Elixir Not Supported
F# Not Supported
HTML Not Supported
Humiris AI Not Supported
LM-Kit.NET Not Supported
Microsoft Foundry Agent Service Not Supported
MindMac Not Supported
OpenPipe Not Supported
PHP Not Supported
Unify AI Not Supported
Verta Not Supported
promptmate.io Not Supported
Claim Codestral and update features and information
Claim Codestral and update features and information
Claim Leanstral and update features and information
Claim Leanstral and update features and information