Mistral Medium 3
Mistral AIReleased May 7, 2025Closed weightsmistral-medium-3
- Intelligence (Epoch)
- 134 · 92nd of 111
- Reasoning
- no
- Context
- 128k tokens
- Max output
- 100k tokens
- Input
- text, image
- API features
- tools, structured outputs, JSON mode, seed
- Mistral AI's API
- yes, as mistral-medium-2505
Read Oct 23, 06:00 UTC from the hosts' published offers and OpenRouter, spec sheet from Mistral AI
Intelligence for the price
39 models score higher for the same price or less; it ranks 40 of the 57 models at its price or below.
Epoch Capabilities Index against the lowest input + output price per M, log scale · prices Oct 23. Score: Epoch AI, CC BY 4.0, 134 with an interval of 130 to 135.
Against its rivals
The best of its price range and the top score
- Mistral Medium 3this model$2.40134
- Claude Opus 5.5top score$24.00169
- Gemini 3.7 Flashsame price range$4.50158
- Gemini 3.8 Flashsame price range$4.50157
Same level for 20× less: gpt-oss-20b at AkashML, $0.12 per M input + output · their Epoch intervals overlap (138 against 134).
Bars: Epoch Capabilities Index (Epoch AI, CC BY 4.0), drawn from 100, below the lowest score in the catalogue · price: lowest input + output per M.
| Provider | Input | Output | Cache ↑ | tok/s | First token | Uptime 24h | Checked |
|---|---|---|---|---|---|---|---|
| Mistral AI | $0.40 | $2.00 | $0.04 | 83 | 0.38 s | 100% | Oct 23 |
1 provider · prices per million tokens, read Oct 23, 06:00 UTC · speed: OpenRouter, median of the last 30 min, read Oct 23, 06:00 UTC · uptime: OpenRouter, last 24 h
| Provider | Weights | Context | Max output | Tools | Structured outputs | Reasoning |
|---|---|---|---|---|---|---|
| Mistral AI | — | 128K | 105K | yes | yes | no |
As served by each host and declared to OpenRouter; not verified by us · weights: the precision the host declares
Mistral Medium 3 spec sheet, field by field, with sources
Mistral Medium 3 spec sheetmaker-declared
What Mistral AI declares about the model itself — read from its own weights repository and documentation, not from any host. What each endpoint actually serves is in the pricing above: the two can differ, and both are true.
- Context window
- to verify
- Parameters
- to verify
- Active experts
- to verify
- Weight precision
- not applicable — no weights published
- License
- Proprietary — Mistral « Premier » — API onlyScope: the licence on the published weights, and nothing else. It is not the maker's acceptable-use policy, which is a separate document, and it is not the contract you sign with whichever host you call — hosts set their own terms, which this index does not read.
- Knowledge cutoff
- not published by the maker
- Modalities
- to verify
- Max output (official)
- to verify
- Release date
- May 7, 2025
- Maker lifecycle status
- Deprecated — retirement announced for May 22, 2026, still served until then
docs.mistral.ai · maker's documentation · read 2026-09-07 · 3 of 10 fields published by the maker
| Date | Provider | Input | Output | Change |
|---|---|---|---|---|
| Sep 5 | Mistral AI | $0.44 → $0.40 | $2.20 → $2.00 | −9% |
Every published change of input or output price, newest first · change on input + output · full series: pricing-history.csv.
| Provider | Chatbot 1,000 in / 500 out | RAG / long context 8,000 in / 500 out | Batch summarize 4,000 in / 1,000 out |
|---|---|---|---|
| Mistral AI | $1.40 | $4.20 | $3.60 |
What each host bills for 1,000 requests of a representative job
Your own workload
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