Mistral Small 4 → Mistral Medium 3.5: cost per request on six tasks
Mistral Medium 3.5 costs 10.1–12 times as much as Mistral Small 4 per request on six common tasks. It costs no more per result that works if its results work first time at least 10.2 times as often as Mistral Small 4's on search re-ranking, and 12.0 times as often on translation.
List prices per million tokens
| Model | Input | Cached input | Output |
|---|---|---|---|
| Mistral Small 4 | $0.15 | $0.015 | $0.60 |
| Mistral Medium 3.5 | $1.50 | n/a | $7.50 |
Prices checked 2026-11-12.
Cost per 1,000 requests
| Task | Mistral Small 4 | Mistral Medium 3.5 | Change | Cheaper per result that works if it works first time at least |
|---|---|---|---|---|
| Support bot answerInstructions, three help-centre passages and the customer's question in; a short answer out. | $0.63 | $6.75 | 10.7 times as much | 10.8 times as often as Mistral Small 4 |
| Invoice field extractionInstructions and one invoice's text in; about 15 fields as JSON out. | $0.53 | $5.63 | 10.7 times as much | 10.8 times as often as Mistral Small 4 |
| Lead scoringScoring rules and one lead's form answers in; a score and a one-line reason out. | $0.24 | $2.55 | 10.6 times as much | 10.7 times as often as Mistral Small 4 |
| Email reply draftInstructions and the email thread so far in; a reply of about 300 words out. | $0.47 | $5.25 | 11.3 times as much | 11.3 times as often as Mistral Small 4 |
| TranslationInstructions and about 500 words of text in; the same text in another language out. | $0.61 | $7.35 | 12.0 times as much | 12.0 times as often as Mistral Small 4 |
| Search re-rankingA search query and 20 result snippets in; the ids of the best five, in order, out. | $0.63 | $6.38 | 10.1 times as much | 10.2 times as often as Mistral Small 4 |
Token counts are typical sizes, not measurements.
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