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 · 12 months ago
Knowledge Cutoff · 12 months ago
Benchmarks
Intelligence Index
12.4
#247
Math Index
4.7
#240
MMLU-Pro
0.7
#200
GPQA
0.5
#327
HLE
0.0
#415
LiveCodeBench
0.3
#192
AIME
0.1
#133
IFBench
0.3
#339
Time to First Token
0.62s
#283
SciCode
0.3
#238
MATH-500
0.7
#123
AIME 2025
0.0
#240
LCR
0.3
#219
TerminalBench Hard
0.1
#207
TAU2
0.2
#311
Output TPS
50.7
#219

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
Devstral262K$0.400$2.00

Model IDs

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