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 · 8 months ago
Benchmarks
Intelligence Index
17.7
#211
Coding Index
29.3
#87
Math Index
34.3
#168
MMLU-Pro
0.7
#221
GPQA
0.5
#330
HLE
0.0
#453
LiveCodeBench
0.3
#186
IFBench
0.3
#337
Time to First Token
1.10s
#456
SciCode
0.3
#271
AIME 2025
0.3
#168
LCR
0.3
#257
TerminalBench Hard
0.2
#167
TAU2
0.2
#281
Output TPS

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$0.150$0.600
Devstral MediumMedium256K$0.400$2.00

Model IDs

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