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Developing with Devstral is Both Delightful and Disappointing

BY ij2ch
July 7, 2025
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Private
395 views

Overview of Devstrol: A Programming-Focused Language Model

Introduction

  • Mistral AI released a new large language model named Devstrol.
  • It focuses on programming and software engineering tasks.
  • Devstrol is a 24 billion parameter model, optimized to run on devices with certain specifications.

Technical Specifications

  • Parameters: 24 billion
  • Quantization: Allows the model to fit in 14 to 16 GB of RAM.
  • Hardware Requirements: Can run locally on an Nvidia RTX graphics card with at least 16 GB of RAM.

Features and Capabilities

  • Partnership: Developed through collaboration between Mistral AI and All Hands AI.
  • Model Base: Fine-tuned version of Mistl small 3.1.
  • Functionality: Designed for text-only coding tasks with a context window of 128,000 tokens.
  • Deployment: Light enough for local deployment on a single RTX 4090 or a Mac with 32 GB of RAM.

Demonstration and Testing

  • Languages Tested: Rust, C, Python, JavaScript, C++
  • Rust Task: Successfully wrote and executed a hash-based program.
  • C Task: Successfully diagnosed and fixed an integer overflow bug.
  • Python Task: Successfully followed multistep task to process a string.
  • JavaScript Task: Attempted to create a 3D scene using the 3.js library but faced execution issues.
  • C++ Task: Attempted Windows app creation using Win32 API calls but failed to compile.

Conclusion and Feedback

  • Local Running Experience: Users can run Devstrol locally with appropriate hardware.
  • Areas for Improvement: While capable in some programming tasks, it struggled with complex challenges.
  • Viewer Engagement: Invites feedback for potential future videos on integrating with frameworks like Open Hands.

Community Engagement

  • Encouragement to leave comments for video requests regarding Devstrol integration with other frameworks.

Closing Remarks

  • Invitation to give the video a thumbs up and subscribe for similar content.
  • Mention of Patreon for further support.
    Developing with Devstral is Both Delightful and Disappointing