Mistral Small 4
Hybrid model unifying instruct, reasoning, and coding capabilities in a single model.
Specs
- Context
- 262.1K
- Max output
- —
- Input price
- $0.15/ 1M tokens
- Output price
- $0.6/ 1M tokens
- Released
- 2026-03-16
Context
- Context window
- 262.1K
- Max input
- —
- Max output
- —
Pricing · USD / 1M tokens
- Input
- $0.15
- Output
- $0.6
- Cache read
- $0.015
- Cache write
- —
Modalities
- Input
- TextImage
- Output
- Text
API
- API types
Reasoning
- Reasoning
- Yes
- Levels
Info
- Status
- Active
- Released
- 2026-03-16
- Knowledge cutoff
- —
Features
- Confirmed
How to call
1 provider
mistralmodel = mistral-small-2603reasoning = reasoning_effort
chat
POSThttps://api.mistral.ai/v1/chat/completions
batch
POSThttps://api.mistral.ai/v1/batch
JSON
Standard format
{
"id": "mistral-small-2603",
"object": "model",
"created": 1773619200,
"owned_by": "mistral",
"name": "Mistral Small 4",
"api": {
"types": [
"chat",
"batch"
]
},
"limits": {
"context": 262144,
"input": null,
"output": null
},
"modalities": {
"input": [
"text",
"image"
],
"output": [
"text"
]
},
"reasoning": {
"supported": true,
"efforts": [
"none",
"high"
]
},
"pricing": {
"currency": "USD",
"unit": "1M_tokens",
"input": 0.15,
"output": 0.6,
"cache_read": 0.015,
"cache_write": null
},
"features": [
"tools",
"structured_output",
"caching",
"batch"
],
"info": {
"status": "active",
"release_date": "2026-03-16",
"knowledge_cutoff": null,
"description": "Hybrid model unifying instruct, reasoning, and coding capabilities in a single model.",
"docs": "https://docs.mistral.ai/models/mistral-small-4-0-26-03",
"verified_at": "2026-10-11"
}
}Official sources
5
Mistral Small 4 | Mistral Docsdocs.mistral.ai2026-10-11API pricing | Mistral Docsdocs.mistral.ai2026-10-10Models overview | Mistral Docsdocs.mistral.ai2026-10-11Reasoning | Mistral Docsdocs.mistral.ai2026-10-10Mistral-Large-3-675B-Instruct-2512 (256k context, 262144) | Hugging Facehuggingface.co2026-10-10