Devstral2
To be verifiedDevstral 2 is a state-of-the-art, 123B-parameter open-source coding model, a dense transformer supporting a 256K context window. It achieves 72.2% on SWE-bench Verified, establishing it as one of the best open-weight models while remaining highly cost-efficient. Released under a modified MIT license, Devstral 2 sets the open state-of-the-art for code agents. Mistral Vibe CLI is a native, open-source command-line coding assistant powered by Devstral, designed to solve software engineering tasks autonomously by exploring, modifying, and executing changes across codebases using natural language.
State-of-the-art open-source coding models and CLI agent for software engineering.
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devstral2.com/
What is Devstral2?
State-of-the-art open-source coding models and CLI agent for software engineering.
Devstral 2 is a state-of-the-art, 123B-parameter open-source coding model, a dense transformer supporting a 256K context window. It achieves 72.2% on SWE-bench Verified, establishing it as one of the best open-weight models while remaining highly cost-efficient. Released under a modified MIT license, Devstral 2 sets the open state-of-the-art for code agents. Mistral Vibe CLI is a native, open-source command-line coding assistant powered by Devstral, designed to solve software engineering tasks autonomously by exploring, modifying, and executing changes across codebases using natural language.
Core Features
State-of-the-art open-source coding model (Devstral 2)
High performance on SWE-bench Verified (72.2% for Devstral 2, 68.0% for Devstral Small 2)
Large context window (256K)
Cost-efficient (up to 7x more than Claude Sonnet)
Compact and efficient model sizes
Code Agent Excellence (explores codebases, orchestrates changes, maintains architecture-level context)
Smart Error Handling (tracks dependencies, detects failures, retries with corrections)
Multi-File Orchestration across entire codebases
Native, open-source command-line coding assistant (Mistral Vibe CLI)
Customizable CLI for specific languages or enterprise codebases
Project-Aware Context and Smart References in CLI
Persistent History, autocompletion, and customizable themes in CLI
Popular Use Cases
- Solving complex software engineering tasks autonomously
- Bug fixing across entire codebases
- Modernizing legacy systems
- Exploring and orchestrating changes in codebases
- Developing AI coding tools and agents
- Powering multimodal agents with image inputs (Devstral Small 2)
- Practical deployment on limited hardware (Devstral Small 2)
Feature Comparison
A functional comparison based on maker input.
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Comparison details are provided for informational purposes and should be verified with the official website.
How to use
- Users can access Devstral 2 via API
- which is currently offered for free
- or through self-hosted deployment on their own infrastructure with NVIDIA support. Mistral Vibe CLI can be installed directly in the terminal using a curl command (`curl -LsSf https://mistral.ai/vibe/install.sh | bash`) and then used as a native coding assistant.
Pricing
Devstral2 uses a freemium pricing model. Pricing and features may change over time.
API Access (Current)
Free
Currently free via API
API Access (Future)
$0.40/$2.00 per million tokens
Future pricing for API access, integrated with Kilo Code and Cline
Deal / Coupon
No coupon listed.
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Frequently Asked Questions
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Source
Official website / Community submitted
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