Mistral Medium 3.1 is Mistral AI's language model with a 131K context window and up to 105K output tokens, starting at $0.4 / 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
StatusDeprecated
CreatorMistral AIMistral AI
Providers
Context Window131K tokens
Max Output105K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Release Date · 1 year ago
Knowledge Cutoff · 1 year ago
Deprecation Date
Benchmarks
Intelligence Index
#341
Coding Index
#154
Math Index
#184
MMLU-Pro
#237
GPQA
#353
HLE
#428
LiveCodeBench
#186
IFBench
#265
Time to First Token
#245
SciCode
#312
AIME 2025
#184
LCR
#281
TerminalBench Hard
#219
TAU2
#217
Output TPS
#479

Capabilities

Input3/5
Text✓
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
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
Cache Read
$ / 1M
OpenRouter logo
OpenRouter
mistralai/mistral-medium-3.1
$0.4$2.00$0.04

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Mistral Large 41.0M$0.700$2.10Available
Cydonia 24B V4.1131K$0.300$0.500Available
Mistral Large 4 Preview————Available
Mistral Small 4 Non-Reasoning————Available
Mistral Small 4————Available
Mistral Medium 3.5262K$1.50$7.50Available
Mistral Large 3 675B Instruct256K$0.500$1.50Available
Mistral Medium 3.1131K$0.400$2.00Current
Mistral Small 3.2 24B Instruct256K$0.075$0.200Available
Mistral Medium 3262K$0.400$2.00Available
Mistral Small 3.1————Available

Model IDs

mistral-medium-3-1
mistral/mistral-medium-3-1-2508
mistralai/mistral-medium-3.1
openrouter/mistralai/mistral-medium-3.1
openrouter/mistralai/mistral-medium-3.1:batch