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Mistral Devstral Small 2505

mistralai/devstral-small-2505
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Mistral Devstral Small 2505

mistralai/devstral-small-2505

OpenHands+Devstral is 100% local 100% open, and is SOTA for the category on SWE-Bench Verified: 46.8% accuracy.

Added Aug 2, 2025

Context Window

32.8K

Max Output

8.2K

Avg output tokens (7d)

161 tokens

12%

Input Price (Auto)

$0.060/1M

Output Price (Auto)

$0.060/1M

Cache Read (Auto)

$0.030/1M

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

8.7

Better than 35% of models compared

Agentic work

T²-Bench Telecom (legacy)

Legacy fallback · Conversational AI agents in dual-control scenarios

38.0%

Better than 46% of models compared

Document reasoning

AA-LCR v1.1

Long context reasoning with updated grading

32.0%

Better than 33% of models compared

Reasoning

HLE

Humanity's Last Exam

4.0%

Better than 13% of models compared

IFBench

Instruction-following benchmark

31.6%

Better than 18% of models compared

Coding

Terminal-Bench Hard (legacy)

Legacy fallback · Agentic coding and terminal use

6.1%

Better than 34% of models compared

LiveCodeBench

Contamination-free coding benchmark

25.8%

Better than 27% of models compared

Math

AIME

American Invitational Mathematics Examination

6.7%

Better than 24% of models compared

Math-500

Diverse mathematical problem solving benchmark

68.4%

Better than 25% of models compared

Knowledge

MMLU-Pro

Professional and academic subject knowledge

63.2%

Better than 24% of models compared

Legacy benchmarks

GPQA Diamond (legacy)

Graduate-level scientific reasoning

43.4%

Better than 19% of models compared

AA-LCR (unversioned / legacy)

Long context reasoning evaluation

32.0%

Better than 33% of models compared

Last updated Sep 11, 2026

Artificial Analysis

Providers

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