Major Release Mistral · Released
Mistral Medium 3.5
What is Mistral Medium 3.5?
Mistral Medium 3.5 is a Major Release AI model from Mistral, released on April 29, 2026. It has a 256K tokens context window, costs $1.50 per million input tokens, and scores 94.2% on TAU2-bench. It is available as open source.
Mistral Mistral Medium 3.5 — AA Intelligence Index 39.2, 256K tokens context, reasoning model.
How much does Mistral Medium 3.5 cost?
| Metric | Price |
|---|---|
| input per mtok | $1.50 |
| output per mtok | $7.50 |
Pricing data verified .
What context window does Mistral Medium 3.5 have?
- Context window
- 256K tokens
- Max output
- 128K
- Input modalities
- text, image
- Output modalities
- text
How does Mistral Medium 3.5 score on benchmarks?
| Benchmark | Score |
|---|---|
| GPQA Diamond | 74.8% |
| HLE | 12.8% |
| SciCode | 39.6% |
| TAU2-bench | 94.2% |
| TerminalBench-Hard | 33.3% |
| IF-Bench | 68.8% |
| LiveCodeBench Reasoning | 61.0% |
| AA Intelligence Index | 39.2 |
Benchmark scores verified .