Devstral Small is Mistral AI's language model with a 256K context window and up to 64K output tokens, available from 4 providers, starting at $0.100 / 1M input and $0.300 / 1M output. Mistral AI's lightweight agentic coding model built with All Hands AI, specializing in tool-use, codebase exploration, and multi-file editing.
Specifications
Canonical IDmistral-devstral-small
TypeLanguage
StatusActive
CreatorMistral AIMistral AI
Providers
Context Window256K tokens
Max Output64K tokens
Input ModalitiesText
Output ModalitiesText
Release Date · 11 months ago
Knowledge Cutoff
Benchmarks
Intelligence Index
15.2
#285
Coding Index
12.1
#267
Math Index
29.3
#179
MMLU-Pro
0.6
#244
GPQA
0.4
#356
HLE
0.0
#415
LiveCodeBench
0.3
#232
AIME
0.0
#163
IFBench
0.3
#311
Time to First Token
0.40s
#226
SciCode
0.2
#298
MATH-500
0.6
#140
AIME 2025
0.3
#179
LCR
0.2
#261
TerminalBench Hard
0.1
#239
TAU2
0.3
#232
Output TPS
0.0
#415

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill

Pricing by Provider

Cost Calculator

Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Devstral 2 Small 24B InstructAvailable
Devstral Small256K$0.100$0.300Current

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Cydonia 24B V4.1131K$0.300$0.500
Mistral Small 4
Mistral Small 4 Non-Reasoning
Mistral Medium 3.5262K$1.50$7.50
Mistral Large 3 675B Instruct128K$0.500$1.50
Mistral Medium 3.1131K$0.400$2.00
Mistral Small 3.2 24B Instruct128K$0.075$0.200
Mistral Medium 3131K$0.400$2.00
Mistral Small 3.2131K$0.060$0.180
Mistral Small 3.1

Model IDs