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Description
Leanstral is an open-source AI code agent created by Mistral AI to support formal software verification and mathematical proof development using Lean 4. The system is designed to generate code while simultaneously validating its correctness through formal proof mechanisms. Unlike many AI coding assistants that rely on general-purpose language models, Leanstral is specifically optimized for proof engineering tasks within structured repositories. The model operates using a sparse architecture with efficient active parameters, allowing it to deliver strong performance without requiring extremely large computational resources. Leanstral integrates closely with the Lean proof assistant, which acts as a strict verifier for mathematical reasoning and software specifications. Developers and researchers can use the model to build verified implementations, reducing the need for time-consuming manual debugging and validation. The project is released under the Apache 2.0 open-source license, ensuring accessibility and flexibility for customization. Leanstral also supports integration with model communication protocols, enabling compatibility with development tools and extensions. Benchmarks show that the system can compete with larger closed-source coding agents while maintaining significantly lower operational costs. By combining automated reasoning, code generation, and formal proof verification, Leanstral introduces a new approach to building trustworthy AI-assisted software systems.
Description
OpenCode Go empowers programmers globally by offering dependable access to a handpicked selection of proficient open coding models. Tailored for users around the world, it emphasizes consistent global accessibility, ample usage allowances, and models specifically optimized for coding-related tasks. While open models have achieved performance levels comparable to proprietary options for coding assignments, variations in provider quality, latency, and availability exist. To mitigate these issues, the OpenCode team rigorously evaluates chosen models, collaborates with model teams and providers to optimize their delivery, and conducts benchmarks on each model-provider pairing prior to making recommendations. Users of Go engage with it like any other provider within OpenCode, utilizing an API key to directly explore the available models in the interface. This feature is entirely optional and can seamlessly integrate with other coding agents, effectively preventing vendor lock-in. By ensuring flexibility and access, OpenCode Go stands out as a valuable tool in the coding community.
API Access
Has API
API Access
Has API
Integrations
Claude
DeepSeek
GLM-5.3
Gemini
Kimi K3
MiniMax M3
Mistral AI
Mistral AI Studio
Mistral Vibe
OpenCode
Integrations
Claude
DeepSeek
GLM-5.3
Gemini
Kimi K3
MiniMax M3
Mistral AI
Mistral AI Studio
Mistral Vibe
OpenCode
Pricing Details
Free
Open source
Free Trial
Free Version
Pricing Details
$10 per month
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
Mistral AI
Founded
2023
Country
France
Website
mistral.ai
Vendor Details
Company Name
OpenCode
Founded
2025
Country
United States
Website
opencode.ai/go