Devstral Small 2 is Mistral AI's language model with a 256K context window, starting at $0.1 / 1M input and $0.3 / 1M output. The compact open-source variant of Devstral 2, designed for efficient agentic coding and multi-file codebase editing.
Specifications
Canonical IDmistral-devstral-2-small
TypeLanguage
StatusActive
CreatorMistral AIMistral AI
Providers
Context Window256K tokens
Input ModalitiesImageText
Output ModalitiesText
Release Date · 9 months ago
Benchmarks
Intelligence Index
#241
Coding Index
#114
Math Index
#192
MMLU-Pro
#240
GPQA
#375
HLE
#496
LiveCodeBench
#204
IFBench
#359
Time to First Token
#458
SciCode
#313
AIME 2025
#192
LCR
#298
TerminalBench Hard
#181
TAU2
#303
Output TPS
#67

Capabilities

Input2/5
Text
Image
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities1/13
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

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Vercel AI Gateway logo
Vercel AI Gateway
mistral/devstral-small-2
$0.1$0.3

Cost Calculator

US Dollar ($)
Preset:

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Devstral 2 123B256K$0.400$2.00
Devstral 2256K$0.400$2.00
Devstral 2 123B Instruct200K$0.400$2.00
Devstral262K$0.400$2.00
Devstral MediumMedium256K$0.400$2.00

Model IDs

devstral-small-2
mistral-devstral-2-small
mistral/devstral-small-2