Mistral Medium 3.5 is Mistral AI's language model with a 262K context window, available from 3 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
Input ModalitiesImageText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 25 days ago
Benchmarks
Intelligence Index
39.2
#70
Coding Index
35.4
#67
GPQA
0.7
#144
HLE
0.1
#101
IFBench
0.7
#60
Time to First Token
0.60s
#267
SciCode
0.4
#93
LCR
0.6
#79
TerminalBench Hard
0.3
#62
TAU2
0.9
#27
Output TPS

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

ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Input
$ / 1M
Output
$ / 1M
Mistral AI logo
Mistral AI
mistral-medium-3-5
$1.50$7.50$0.750$3.75
OpenRouter logo
OpenRouter
mistralai/mistral-medium-3-5
$1.50$7.50
Vercel AI Gateway logo
Vercel AI Gateway
mistral/mistral-medium-3.5
$1.50$7.50

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$7.50Current
Mistral Large 3 675B Instruct128K$0.500$1.50Available
Mistral Medium 3.1131K$0.400$2.00Available
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