Mistral Medium 3.5 API price, and what each result really costs
Mistral, listed 30 Apr 2026. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: OpenRouter. mistralai/mistral-medium-3.5
API shutdown on 2027-04-30. Suggested replacement: Mistral Large 4. What the switch to Mistral Large 4 costs
List price per million tokens
- Input
- $1.50
- Cached input
- n/a
- Output
- $7.50
- Context window
- 262K tokens
Note: Mistral's own endpoint on OpenRouter. Deprecated 2026-10-31, retires 2027-04-30 (replacement Mistral Large 4).
What it costs per task, and per task that works
Six common task shapes with typical token counts. The real cost counts the tries that get redone; the rates are examples, not measurements.
| Task | Per 1,000 tries | Per 1,000 that work, 8 in 10 | Per 1,000 that work, 6 in 10 | Per 1,000 that work, 4 in 10 |
|---|---|---|---|---|
| Support bot answer3,000 in / 300 out | $6.75 | $8.44 | $11.25 | $16.88 |
| Invoice field extraction2,500 in / 250 out | $5.63 | $7.03 | $9.38 | $14.06 |
| Lead scoring1,200 in / 100 out | $2.55 | $3.19 | $4.25 | $6.37 |
| Email reply draft1,500 in / 400 out | $5.25 | $6.56 | $8.75 | $13.13 |
| Translation900 in / 800 out | $7.35 | $9.19 | $12.25 | $18.37 |
| Search re-ranking4,000 in / 50 out | $6.38 | $7.97 | $10.63 | $15.94 |
Work out your own real cost per resultTest Mistral Medium 3.5 on your own prompt
Compare Mistral Medium 3.5 with
- Mistral Large 4$0.70 in / $2.10 outSwitch cost
- Mistral Small 4$0.15 in / $0.60 outSwitch cost
- Grok 4.7$2.00 in / $6.00 outSwitch cost
- Qwen3.8 Max$2.00 in / $6.00 outSwitch cost
- GPT-5$1.25 in / $10.00 outSwitch cost
Worked-through switches: Mistral Medium 3.5 → Mistral Large 4: cost and quality on real tasks
Questions
How much does the Mistral Medium 3.5 API cost?
$1.50 per million input tokens and $7.50 per million output tokens. Price checked 12 Nov 2026; unchanged since we started tracking it.
What does a result that works really cost with Mistral Medium 3.5?
A support bot answer (about 3,000 tokens in, 300 out) costs $0.0067 per try. If 6 in 10 work first time, each answer that works really costs $0.011, because the redone ones were paid for too.
Is Mistral Medium 3.5 being shut down?
Mistral has announced the API shutdown of mistral-medium-3-5 on 2027-04-30; the suggested replacement is Mistral Large 4. Source: https://docs.mistral.ai/getting-started/models/