Devstral Medium is Mistral AI's language model with a 256K context window, available from 2 providers, starting at $0.400 / 1M input and $2.00 / 1M output. Mistral AI's mid-tier agentic coding model developed jointly with All Hands AI, balancing code generation performance and efficiency.
Specifications
Canonical IDmistral-devstral-medium
TypeLanguage
StatusActive
CreatorMistral AIMistral AI
Providers
Context Window256K tokens
Input ModalitiesText
Output ModalitiesText
Release Date · 10 months ago
Knowledge Cutoff
Benchmarks
Intelligence Index
18.7
#236
Coding Index
15.9
#214
Math Index
4.7
#240
MMLU-Pro
0.7
#200
GPQA
0.5
#316
HLE
0.0
#402
LiveCodeBench
0.3
#192
AIME
0.1
#133
IFBench
0.3
#326
Time to First Token
0.51s
#242
SciCode
0.3
#228
MATH-500
0.7
#123
AIME 2025
0.0
#240
LCR
0.3
#209
TerminalBench Hard
0.1
#197
TAU2
0.2
#299
Output TPS
74.0
#148

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

ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Mistral AI logo
Mistral AI
devstral-medium-latest
$0.400$2.00N/A$0.200$1.00
OpenRouter logo
OpenRouter
mistralai/devstral-medium
$0.400$2.00$0.040

Cost Calculator

Preset:

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Devstral 2 123B256K$0.400$2.00
Devstral 2256K$0.400$2.00
Devstral Small 2Small256K$0.100$0.300
Devstral262K$0.400$2.00

Model IDs