Mistral Small 3.1
by Mistral AIChat
Efficient Mistral model for fast chat, extraction, and production assistants
- Context
- 128K tokens
- Max output
- 32,768 tokens
- Released
- 2025-03-01
- Weights
- Closed
mistral/mistral-small-2503 · also seen as vertex_ai/mistral-small-2503, vertex_ai/mistral-small-2503@001, mistralai/mistral-small-2503
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-03-01
- Weights
- Closed
- Input
- Text, Image
- Output
- Text
- Context window
- 128,000 max across endpoints
- Max output
- 32,768
- Providers
- 4 + 1 gateway, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $0.10 in · $0.30 out per 1M tokens · across all 4 providers
More details
- Last updated
- 2025-03-20
- Knowledge cutoff
- 2024-09
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- 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 $0.10 in / $0.30 out per 1M tokens at Azure 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 Small 3.1 |
|---|---|---|---|---|---|
| Qwen3 4B BaseAlibaba (Qwen) | $0.15 | $0.15 | $0.15 | 32.8K | +1% |
| Seed 2.0 MiniByteDance Seed | $0.15 | $0.10 | $0.40 | 131K | +1% |
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| GLiNER2-Guardrails-PII-MultiFastino Labs | $0.15 | $0.15 | $0.15 | 8.2K | +1% |
| GLiNER-2.5-DecideFastino Labs | $0.15 | $0.15 | $0.15 | 8.2K | +1% |
| GLiNER 2.5 MultiFastino Labs | $0.15 | $0.15 | $0.15 | 4.1K | +1% |
| GLiNER2 BaseFastino Labs | $0.15 | $0.15 | $0.15 | 8.2K | +1% |
| GLiNER2 LargeFastino Labs | $0.15 | $0.15 | $0.15 | 8.2K | +1% |
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