Mistral Medium 3.5 is Mistral AI's language model with a 262K context window and up to 256K output tokens, available from 4 providers, starting at $1.50 / 1M input and $7.50 / 1M output. A mid-tier general-purpose LLM from Mistral offering a balance of performance and efficiency, positioned between the small and large tiers of the Mistral model family.
Specifications
Canonical IDmistral-medium-3-5
TypeLanguage
StatusActive
CreatorMistral AIMistral AI
Providers
Context Window262K tokens
Max Output256K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 5 months ago
Benchmarks
Intelligence Index
#228
Coding Index
#75
GPQA
#221
HLE
#172
IFBench
#73
Time to First Token
#471
SciCode
#155
LCR
#140
TerminalBench Hard
#81
TAU2
#36
Output TPS
#83

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
ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
mistral:mm35
$1.50$7.50N/A
Mistral AI logo
Mistral AI
mistral-medium-3-5
$1.50$7.50$0.15$0.75$3.75
OpenRouter logo
OpenRouter
mistralai/mistral-medium-3-5
$1.50$7.50N/AN/AN/A
OpenRouter logo
OpenRouter
mistralai/mistral-medium-3-5:batch
$0.75$3.75
Vercel AI Gateway logo
Vercel AI Gateway
mistral/mistral-medium-3.5
$1.50$7.50$0.15

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Cydonia 24B V4.1131K$0.300$0.500Available
Mistral Small 4 Non-ReasoningAvailable
Mistral Small 4Available
Mistral Medium 3.5262K$1.50$7.50Current
Mistral Large 3 675B Instruct256K$0.500$1.50Available
Mistral Medium 3.1131K$0.400$2.00Deprecated
Mistral Small 3.2 24B Instruct256K$0.075$0.200Available
Mistral Medium 3262K$0.400$2.00Available
Mistral Small 3.2131K$0.060$0.180Deprecated
Mistral Small 3.1Available
Mistral Small 3Available

Model IDs

mistral-medium-3-5
mistral-medium-3.5
mistral/mistral-medium-3-5
mistral/mistral-medium-3.5
mistralai/mistral-medium-3-5
openrouter/mistralai/mistral-medium-3-5
openrouter/mistralai/mistral-medium-3-5:batch