MiscSubjects

Mistral: Mistral Small 4

Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system.

Mistral AIMistral Small 4
mistralai/mistral-small-2603
2026-03-16text+image->textreasoning: high / none
Intelligence index
4.3
Artificial Analysis
Coding index
26.6
Artificial Analysis
Agentic index
0.8
Artificial Analysis
Input
$0.15
per 1M tokens
Output
$0.60
per 1M tokens
Cached input
$0.01
per 1M tokens
Context
262K
tokens it reads
Max output
210K
tokens it writes
Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...
inspect — the catalog entry
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  "name": "Mistral: Mistral Small 4",
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  "description": "Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...",
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    "completion": "0.0000006",
    "input_cache_read": "0.000000015"
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  "per_request_limits": null,
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    "max_tokens",
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    "reasoning",
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    "response_format",
    "seed",
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  "links": {
    "details": "/api/v1/models/mistralai/mistral-small-2603/endpoints"
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  "endpoints": [
    "/api/v1/chat/completions",
    "/api/v1/completions",
    "/api/v1/messages",
    "/api/v1/responses"
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  "benchmarks": {
    "design_arena": [],
    "artificial_analysis": {
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      "coding_index": 26.6,
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  "reasoning": {
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    "default_enabled": false,
    "supported_efforts": [
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    ],
    "default_effort": "high"
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}
openrouter.ai/mistralai/mistral-small-2603
References (1)
  1. Stored model catalog — Nov 5, 2026
Via
OpenRouter
Id
openrouter/mistralai/mistral-small-2603
Model id
mistralai/mistral-small-2603
Name
Mistral: Mistral Small 4
Description
Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system.
Family
mistralai
Canonical slug
mistralai/mistral-small-2603
Price in
0.15
Price out
0.6
Price cache read
0.015
Price cache write
null
Price cache write 1h
null
Price web search
null
Price overrides
[]
Context
262144
Max completion tokens
209715
Modality
text+image->text
Input modalities
["text","image"]
Output modalities
["text"]
Tokenizer
Mistral
Knowledge cutoff
null
Created
1773695685
Moderated
false
Params
["frequency_penalty","include_reasoning","max_tokens","presence_penalty","reasoning","reasoning_effort","response_format","seed","stop","structured_outputs","temperature","tool_choice","tools","top_p"]
Default parameters
{"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}
Tools
true
Reasoning
true
Reasoning efforts
["high","none"]
Reasoning default effort
high
Reasoning mandatory
false
Reasoning default enabled
false
Vision
true
Expiration date
null

Connected subjects

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Page dataOpen JSON
page.json
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