Devstral Small 2512 devstral-small-2512

mistralai · mistral coding

unranked — no quality signals yet

params
24B
arch
dense
license
apache-2.0 open weights
released
Dec 2025

# why ranked

Coding: provisional — score 35.7 ● low — a single signal; treat with caution

provisional: too few independent signals for a numbered position — the score is shown, but this model sorts after every ranked model.

signalweightinput (0–100)
aa_coding 0.25
aider_polyglot 0.25
arena_elo_code 0.15
swe_bench_verified 0.35 35.7

missing signals are dropped and the remaining weights renormalized — never imputed.

Agentic: #10 — score 35.7 ● low — a single signal; treat with caution

signalweightinput (0–100)
swe_bench_verified 1.00 35.7

full methodology

# trend

collecting history — trends appear after a few daily runs.

# benchmarks

benchmarkscoresourcedate
SWE-bench Verified 56.4 SWE-bench Dec 2025

# where to run

no known API providers — download the weights from Hugging Face and run them yourself.

source aliases
openrouter
mistralai/devstral-small-2512
swebench
devstral-small-2512