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Devstral Small

mistral/devstral-small-2507

Mistral coding agent model for repository tasks and software engineering workflows

Source-linkeddevstralOpen weightsReleased 2025-07-10
Report data
Context window128K
Maximum output128K
Provider offers3
Knowledge cutoff2025-05
Capabilities

What this model supports

ReasoningNo
Tool callingYes
Structured outputNo
AttachmentsNo
Temperature controlYes
Open weightsYes
Creator
Mistral AI
Family
devstral
Modalities
Text
License
Not documented
Release date
2025-07-10
Model ID
mistral/devstral-small-2507
Market availability

Provider pricing

Report price →
Providers offering Devstral Small
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
Merge Gatewaymistral/devstral-small-2507128K$0.100$0.300· T ·
View
{
  "input": 0.1,
  "output": 0.3
}
LLM Gatewaydevstral-small-2507131.072K$0.100$0.300· T ·
View
{
  "input": 0.1,
  "output": 0.3
}
Mistraldevstral-small-2507128K$0.100$0.300· T ·
View
{
  "input": 0.1,
  "output": 0.3
}
Evidence

Published benchmark results

SWE-Bench Verified vs top 8 models
Claude Fable 5
95.0
Claude Opus 4.8
88.6
Claude Sonnet 5
85.2
Ornith 1.0 397B
82.4
DeepSeek V4 Pro
80.6
Qwen3.7 Max
80.4
Kimi K2.6
80.2
Devstral Small
53.6