Explore Devstral Small 2505 for Software Engineering

Optimize your coding tasks with Devstral Small 2505's advanced capabilities.

Input: text Output: text Context: 128,000 tokens Release: 2025-05-21

Meet the Mistral: Devstral Small 2505, a collaborative creation by Mistral AI and All Hands AI, released on May 21, 2025. This advanced text-based model, with its impressive 128k context window, is designed specifically for software engineering tasks. It excels in codebase exploration and multi-file editing, making it an ideal choice for integration into coding agents. With a text-to-text modality, Devstral Small 2505 supports various inference frameworks like vLLM and Transformers. It's optimized for local deployment on high-end consumer hardware, offering flexibility and efficiency for developers.

Use Cases

Here are a few ways teams apply Mistral: Devstral Small 2505 in practice—from fast drafting to multimodal understanding. Adapt these ideas to your workflow.

Enhance codebase exploration

Streamline multi-file editing

Integrate into coding agents

Deploy locally on consumer hardware

Key Features

A quick look at the capabilities that make this model useful in real projects.

24B parameter agentic LLM

128k context window

Text-to-text modality

Optimized for codebase exploration

Compatible with vLLM, Transformers

Local deployment on high-end hardware

Specs

Overview

Vendor
mistralai

Model ID
mistralai/devstral-small-2505

Release
2025-05-21

Modalities & context

Input
text

Output
text

Context
128,000 tokens

Parameters & defaults

Supported parameters: frequency_penalty, max_tokens, min_p, presence_penalty, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p

Defaults: temperature 0.3, top_p 0.95

Benchmark tests: Mistral: Devstral Small 2505

We ran this model against a few representative prompts to show its range. Review the outputs below and be the judge.

Text

Prompt:

Write 150 words on how AI might positively upend work, leisure and creativity

AI has the potential to revolutionize work, leisure, and creativity in profound ways, enhancing productivity and human potential. In the workplace, AI can automate repetitive tasks, freeing employees to focus on strategic and creative endeavors. It can also provide real-time data analysis, improving decision-making and efficiency. For leisure, AI-powered tools can personalize entertainment, from tailored recommendations to immersive virtual experiences, making downtime more engaging and fulfilling. In creativity, AI can serve as a collaborator, generating ideas, refining drafts, and even creating art, music, or literature, pushing the boundaries of human imagination. By handling mundane tasks, AI allows people to dedicate more time to meaningful pursuits, fostering innovation and personal growth. However, ethical considerations and responsible use will be crucial to ensuring AI’s benefits are equitably distributed. Ultimately, AI could redefine the balance between work and leisure, empowering individuals to lead more creative, productive, and fulfilling lives. (150 words)

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up.end

/ˌəpˈend/

verb

To “upend” means to completely disrupt, overturn, or drastically change the established order or structure of something. It implies a significant shift or alteration that can potentially have far-reaching consequences. When something is upended, it is turned upside down or transformed in a way that challenges conventional norms or expectations. The term often carries a sense of innovation, transformation, and sometimes even a hint of upheaval, indicating that the changes are not just minor adjustments but rather a fundamental reimagining of the status quo.

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