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Mistral Medium 3.1

Mistral Medium 3.1 is Mistral AI's language model with a 131K context window, available from 2 providers, starting at $0.400 / 1M input and $2.00 / 1M output. An updated release of Mistral Medium 3, refining enterprise-grade language capabilities with improved performance and efficiency.
Specifications
Canonical IDmistral-medium-3-1
TypeLanguage
StatusActive
CreatorMistral AIMistral AI
Providers
Context Window131K tokens
Input ModalitiesImageText
Output ModalitiesText
Release Date · 9 months ago
Knowledge Cutoff
Benchmarks
Intelligence Index
21.3
#207
Coding Index
18.3
#188
Math Index
38.3
#155
MMLU-Pro
0.7
#218
GPQA
0.6
#258
HLE
0.0
#343
LiveCodeBench
0.4
#165
IFBench
0.4
#220
Time to First Token
0.53s
#252
SciCode
0.3
#181
AIME 2025
0.4
#155
LCR
0.2
#245
TerminalBench Hard
0.1
#186
TAU2
0.4
#184
Output TPS
62.9
#181

Capabilities

Input2/5
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

ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Mistral AI logo
Mistral AI
mistral/mistral-medium-3-1-2508
$0.400$2.00N/A
OpenRouter logo
OpenRouter
mistralai/mistral-medium-3.1
$0.400$2.00$0.040

Cost Calculator

Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Cydonia 24B V4.1131K$0.300$0.500Available
Mistral Small 4Available
Mistral Small 4 Non-ReasoningAvailable
Mistral Medium 3.5262K$1.50$7.50Available
Mistral Large 3 675B Instruct128K$0.500$1.50Available
Mistral Medium 3.1131K$0.400$2.00Current
Mistral Small 3.2 24B Instruct128K$0.075$0.200Available
Mistral Medium 3131K$0.400$2.00Available
Mistral Small 3.2131K$0.060$0.180Available
Mistral Small 3.1Available
Mistral Small 3Available

Model IDs