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Very High Reasoning

Devstral Small

Devstral Small is a powerful 24B-parameter open-source AI model from Mistral AI, excelling at agentic coding tasks like exploring codebases, editing files, and powering software engineering agents with top scores on SWE-Bench Verified. With a 256K context window, Apache 2.0 license, and lightweight design for local deployment on consumer hardware like an RTX 4090, it delivers fast, cost-efficient performance for developers.

128k Context
Very High Intelligence
Mar '25 Knowledge

Available for Chat, Vision, and File Uploads.

How do you want to interact?

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Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.

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Use a Persona

Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.

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Why use Devstral Small?

Agentic Coding

Excels at using tools to explore codebases, edit multiple files, and power software engineering agents

Local Deployment

24B parameter model deployable on consumer hardware like a single 4090 GPU for fast, private inference

Multimodal Support

Handles image inputs alongside text for tasks like visual coding, document parsing, and multimodal agents

Capability Examples

Codebase Exploration
Explore the repository at /src and identify the main function causing the memory leak in main.py
After analyzing /src/main.py and /src/utils.py using the ls and cat tools, the memory leak is in the infinite loop in load_data() at line 45 which doesn't close the file handle. Here's the fix: add 'with open...' context.
Multi-File Edit
Fix bug #123 by updating auth logic in /api/user.py and /services/auth.py, then test it.
Edited /api/user.py: replaced token validation with JWT decode at lines 20-25. Updated /services/auth.py: added error handling in verify_user(). Ran tests: all pass. Commit message: "Fix auth bug #123".

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure Devstral Small is selected.

3
Type Prompt

Ask a question or paste code.

4
Interact

Refine the answer by replying to the AI.

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