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
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
22.0
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Coding Index
23.7
GPQA Diamond
Graduate-level scientific reasoning
59.4%
Better than 47% of models compared
HLE
Humanity's Last Exam
3.6%
Better than 6% of models compared
IFBench
Instruction-following benchmark
38.1%
Better than 40% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
24.9%
Better than 33% of models compared
AA-LCR
Long context reasoning evaluation
30.0%
Better than 49% of models compared
SciCode
Python programming for scientific computing
33.1%
Better than 59% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
18.9%
Better than 66% of models compared
AIME 2025
American Invitational Mathematics Examination 2025
36.7%
Better than 37% of models compared
MMLU-Pro
Professional and academic subject knowledge
76.2%
Better than 53% of models compared
Last updated May 15, 2026
Artificial AnalysisLiveCodeBench
Contamination-free coding benchmark
44.8%
Better than 51% of models compared
