Devstral Medium 2507
Mistral AIJul 10, 2025N/A
Open weights
Coding-agent specialist (tuned for scaffolds like OpenHands) that punches two weight classes up on real-issue resolution while staying cheap enough for always-on automation.
- Status
- Generally available
- License
- Open weights · Custom
- Context window
- 128K
- Max output
- 32K
- Input · $/M
- $0.4
- Output · $/M
- $2
- Cached input · $/M
- —
- Blended · $/M
- $0.80
- Parameters
- Undisclosed
- Inputs
- Text only
Benchmarks
This model has no published scores on the benchmarks we track yet. Specs and pricing below the fold are still fully sourced.
Reasoning & knowledge
GPQA Diamond
no public score
MMLU-Pro
no public score
Humanity's Last Exam
no public score
ARC-AGI-2
no public score
Coding
SWE-bench Verified
no public score
SWE-bench Pro
no public score
LiveCodeBench
no public score
Agents & computer use
Terminal-Bench 2
no public score
OSWorld 2.0
no public score
BrowseComp
no public score
Math
AIME 2026
no public score
Known strengths
- Agent-scaffold tuning
- Permissive-adjacent licensing
Caveats
- Single-purpose: pair with a general model for chat/writing