Mistral Medium 3.5
Mistral
mistralai/mistral-medium-3-5Mistral Medium 3.5 is Mistral AI's April 2026 flagship-tier model, a dense 128B model with a 256K context window that merges instruction-following, reasoning, and coding into a single set of weights. It is the recommended successor to Mistral Medium 3.1 for general-purpose and agentic tasks.
Cost rate
1.5x
Context
262K
Released
Apr 30, 2026
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Image understanding
#74 · top 51%
Mathematical
#85 · top 23%
Software & IT Services
#91 · top 23%
Business, Management, & Finance
#96 · top 25%
Performance
Median latency and throughput measured across recent requests.
Throughput132 tok/s
Latency