Mistral Medium 3.5

Mistral Medium 3.5 is Mistral AI’s Frontier model focused on agentic workflows and coding. With 128 billion parameters, the model operates with a context window of 256,000 tokens and supports multimodal inputs for text and image. Available as an Open Weights model under a Modified MIT license for local use or via cloud API, from a European provider environment with GDPR compliance.

Mistral AI Version 3.5 Commercial use permitted Dense 128 B (128 B active) 256 K Context 12/2025 $1.5 / $7.5 per 1M

  • Open Weights
  • Frontier
  • API
  • Text
  • Vision
  • Instruction-Tuned
  • Real-Time

Key metrics

Score · Latency · Cost · Quality

Total Score Silver
73.87
Routine
45.07
Reasoning
28.8

Rank #34

LLM Judge Avg
3.67
100 Coverage
Avg Task Duration
9.88
Real-Time
Token Rate
135.47
Output Rate
P95 Latency
34.94
Top 5 %
Total Tokens
63500
Output Volume
Cost per 1K
$0.0075
USD / 1K Requests
Benchmark Cost
$0.48
Total · 63500 tok

Benchmark modules

10 modules · weighted · vs. model median & top performer

Mistral Medium 3.5 Best model Ø All models
Code Quality 77.48
CLI Benchmark 83.67
Logical Reasoning 71.46
UX Writing 70.99
Documentation 71.44
Content Transform. 75.55
Cultural Intelligence 71.04
Synthesis Quality 59.17
Tool Execution 90
ToolUse Score 74.25
Benchmark Cost $0.48

Token efficiency & latency

Consumption per module vs. model median

Token consumption per module

Performance profile