Mistral Medium 3.5
by Mistral AIChat
Mistral model for multilingual chat, reasoning, and tool-assisted workflows
- Context
- 262K tokens
- Max output
- 262,144 tokens
- Parameters
- 128B (total or active not stated)
- Released
- 2026-04-30
- Weights
- Open
mistral/mistral-medium-3-5 · also seen as mistral-medium-3-5@eu, mistralai/mistral-medium-3-5, mistralai/mistral-medium-3.5:thinking, mistralai/mistral-medium-3.5-20260430, +1 more
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-04-30
- Weights
- Open
- Input
- Text, Image, PDF
- Output
- Text
- Context window
- 262,144 max across endpoints
- Max output
- 262,144
- Providers
- 3 + 9 gateways, not counted as providers
- Epoch Capabilities Index
- 141.5 ± 2.6 against price
- Direct price range
- $1.50–$2.06 in · $7.50–$10.32 out per 1M tokens · across all 3 providers
More details
- Last updated
- 2026-05-21
- Knowledge cutoff
- Parameters
- 128B (total or active not stated)
- Developer country
- France
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefill
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $1.50 in / $7.50 out per 1M tokens at Mistral on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs Mistral Medium 3.5 |
|---|---|---|---|---|---|
| Gemini Nano Banana 2.1Google | $2.50 | $1.50 | $7.50 | 131K | +0% |
| Magistral MediumMistral AI | $2.50 | $1.50 | $7.50 | 128K | +0% |
| Mistral Medium 3.5Mistral AI | $2.50 | $1.50 | $7.50 | 262K | +0% |
| Llama-xLAM-2 70B fc-rSalesforce | $2.50 | $2.50 | $2.50 | 128K | +0% |
| Gemini 2.5 ProGoogle | $2.44 | $1.13 | $9.00 | 1.05M | −3% cheaper |
| GPT-5.1 Codex MaxOpenAI | $2.44 | $1.13 | $9.00 | 400K | −3% cheaper |
| GPT-5-ChatOpenAI | $2.44 | $1.13 | $9.00 | 128K | −3% cheaper |
| GPT-5 Image MiniOpenAI | $2.42 | $2.50 | $2.00 | 400K | −3% cheaper |
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| Mistral Medium 3.5 | 2026-04-29 | 262K | from $1.50 |
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