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 ModalitiesText
Output ModalitiesText
Release Date · 1 year ago
Benchmarks
Intelligence Index
13.1
#236
Math Index
34.3
#168
MMLU-Pro
0.7
#220
GPQA
0.5
#305
HLE
0.0
#444
LiveCodeBench
0.3
#186
IFBench
0.3
#333
Time to First Token
0.72s
#300
SciCode
0.3
#248
AIME 2025
0.3
#168
LCR
0.2
#235
TerminalBench Hard
0.2
#166
TAU2
0.2
#279
Output TPS
51.7
#214

Capabilities

Input1/5
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
Devstral262K$0.400$2.00
Devstral MediumMedium256K$0.400$2.00

Model IDs

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