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Devstral 2 123B

mistralai/devstral-2-123b-instruct-2512
Provider logo

Devstral 2 123B

mistralai/devstral-2-123b-instruct-2512

Devstral 2 123B is a 123 billion parameter model from Mistral AI optimized for coding and development tasks. Features advanced reasoning capabilities for software engineering workflows.

Added Dec 9, 2025

Context Window

262.1K

Max Output

65.5K

Input Price (Auto)

$0.40/1M

Output Price (Auto)

$1.40/1M

Cache Read (Auto)

$0.20/1M

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

19.2

Better than 53% of models compared

Coding Index

31.3

Better than 43% of models compared

Agentic Index

10.6

Better than 34% of models compared

Reasoning

GPQA Diamond

Graduate-level scientific reasoning

59.4%

Better than 36% of models compared

HLE

Humanity's Last Exam

3.6%

Better than 7% of models compared

IFBench

Instruction-following benchmark

38.1%

Better than 34% of models compared

T²-Bench Telecom

Conversational AI agents in dual-control scenarios

24.9%

Better than 28% of models compared

AA-LCR

Long context reasoning evaluation

31.3%

Better than 37% of models compared

Coding

SciCode

Python programming for scientific computing

33.1%

Better than 47% of models compared

Terminal-Bench Hard

Agentic coding and terminal use

18.9%

Better than 59% of models compared

LiveCodeBench

Contamination-free coding benchmark

44.8%

Better than 51% of models compared

Math

AIME 2025

American Invitational Mathematics Examination 2025

36.7%

Better than 37% of models compared

Knowledge

MMLU-Pro

Professional and academic subject knowledge

76.2%

Better than 53% of models compared

Last updated Aug 16, 2026

Artificial Analysis

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