Leanstral

Leanstral

Mistral AI
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About

Aristotle is the first AI model built from the ground up as a Mathematical Superintelligence (MSI), designed to deliver provably correct solutions to complex quantitative problems without hallucinations. When prompted with natural‑language math questions, it formalizes them in Lean 4, solves them via formally verified proofs, and returns both the proof and a natural‑language explanation. Unlike conventional language models that rely on probabilistic outputs, Aristotle’s MSI architecture replaces guesswork with provable logic, transparently flagging any errors or inconsistencies. The AI is accessible through a web interface and a developer API, enabling researchers to integrate its rigorous reasoning into workflows across fields such as theoretical physics, engineering, and computer science.

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
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Researchers, scientists and engineers searching for a tool for solving and verifying complex quantitative problems

Audience

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

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

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
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

Harmonic
Founded: 2024
United States
aristotle.harmonic.fun/

Company Information

Mistral AI
Founded: 2023
France
mistral.ai

Alternatives

DeepSeekMath

DeepSeekMath

DeepSeek

Alternatives

Leanstral

Leanstral

Mistral AI
Claude Opus 4.6

Claude Opus 4.6

Anthropic

Categories

Categories

Integrations

Mistral AI
Mistral AI Studio
Mistral Vibe

Integrations

Mistral AI
Mistral AI Studio
Mistral Vibe
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