Leanstral

Leanstral

Mistral AI
OpenCode Go

OpenCode Go

OpenCode
+
+

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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

OpenCode Go brings agentic coding to programmers around the world by providing reliable access to a curated lineup of capable open coding models. It is designed primarily for international users and focuses on stable global access, generous usage limits, and models tested specifically for coding-agent workloads. Open models have reached performance close to proprietary models for coding tasks, but provider quality, latency, and availability can vary. To address this, the OpenCode team tests selected models, works with model teams and providers to determine how they should be served, and benchmarks each model-provider combination before recommending it. Go works like any other provider in OpenCode, users connect with an API key and can view the available models directly in the interface. It is completely optional and can also be used with other coding agents, helping avoid lock-in.

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

Developers and coding-agent users wanting to access tested open coding models with reliable global availability and flexibility across tools and providers

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

Free
Open source
Free Version
Free Trial

Pricing

$10 per month
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

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Mistral AI
Founded: 2023
France
mistral.ai

Company Information

OpenCode
Founded: 2025
United States
opencode.ai/go

Alternatives

GPT-5.5

GPT-5.5

OpenAI

Alternatives

Claude Code

Claude Code

Anthropic
Claude Opus 4.6

Claude Opus 4.6

Anthropic
Leanstral 1.5

Leanstral 1.5

Mistral AI
OpenCode Zen

OpenCode Zen

OpenCode
Big Pickle

Big Pickle

OpenCode

Categories

Categories

Integrations

Claude
DeepSeek
GLM-5.3
GLM-5.3-Flash
Gemini
Kimi K3
MiniMax M3
Mistral AI
Mistral AI Studio
Mistral Vibe
OpenCode
Qwen

Integrations

Claude
DeepSeek
GLM-5.3
GLM-5.3-Flash
Gemini
Kimi K3
MiniMax M3
Mistral AI
Mistral AI Studio
Mistral Vibe
OpenCode
Qwen
Claim Leanstral and update features and information
Claim Leanstral and update features and information
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