Leanstral

Leanstral

Mistral AI
Qwen2

Qwen2

Alibaba
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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.

About

Qwen2 is the large language model series developed by Qwen team, Alibaba Cloud. Qwen2 is a series of large language models developed by the Qwen team at Alibaba Cloud. It includes both base language models and instruction-tuned models, ranging from 0.5 billion to 72 billion parameters, and features both dense models and a Mixture-of-Experts model. The Qwen2 series is designed to surpass most previous open-weight models, including its predecessor Qwen1.5, and to compete with proprietary models across a broad spectrum of benchmarks in language understanding, generation, multilingual capabilities, coding, mathematics, and reasoning.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

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

Audience

AI developers interested in a powerful LLM

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Free
Open source
Free Version
Free Trial

Pricing

Free
Open source
Free Version
Free Trial

Reviews/Ratings

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

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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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Mistral AI
Founded: 2023
France
mistral.ai

Company Information

Alibaba
Founded: 1999
China
github.com/QwenLM/Qwen2

Alternatives

GPT-5.5

GPT-5.5

OpenAI

Alternatives

CodeQwen

CodeQwen

Alibaba
Claude Opus 4.6

Claude Opus 4.6

Anthropic
Mathstral

Mathstral

Mistral AI
Leanstral 1.5

Leanstral 1.5

Mistral AI
Qwen3.6

Qwen3.6

Alibaba
Qwen3.5

Qwen3.5

Alibaba

Categories

Categories

Integrations

C
C#
C++
CSS
Clojure
Go
HTML
Horay.ai
Hugging Face
JavaScript
Julia
Kotlin
MindMac
ModelScope
Molmo
PHP
R
Ruby
SQL
Visual Basic

Integrations

C
C#
C++
CSS
Clojure
Go
HTML
Horay.ai
Hugging Face
JavaScript
Julia
Kotlin
MindMac
ModelScope
Molmo
PHP
R
Ruby
SQL
Visual Basic
Claim Leanstral and update features and information
Claim Leanstral and update features and information
Claim Qwen2 and update features and information
Claim Qwen2 and update features and information