Devstral Medium is Mistral AI's language model with a 256K context window, starting at $0.4 / 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 · 1 year ago
Knowledge Cutoff · 1 year ago
Benchmarks
Intelligence Index
12.4
#261
Math Index
4.7
#240
MMLU-Pro
0.7
#200
GPQA
0.5
#340
HLE
0.0
#428
LiveCodeBench
0.3
#192
AIME
0.1
#133
IFBench
0.3
#343
Time to First Token
0.00s
#167
SciCode
0.3
#251
MATH-500
0.7
#123
AIME 2025
0.0
#240
LCR
0.3
#231
TerminalBench Hard
0.1
#209
TAU2
0.2
#314
Output TPS
0.0
#426

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

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Mistral AI logo
Mistral AI
mistral/devstral-medium-2507
$0.4$2.00

Cost Calculator

US Dollar ($)
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
Devstral 2 123B Instruct200K$0.400$2.00
Devstral262K$0.400$2.00

Model IDs

devstral-medium
devstral-medium-2507
devstral-medium-latest
mistral-devstral-medium
mistral/devstral-medium-2507
mistral/devstral-medium-latest
mistralai/devstral-medium