ModelInfo
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o4-mini

Fast, cost-efficient reasoning model, succeeded by GPT-5 Mini.

OpenAIo4-mini2025-04-16Report incorrect data

Specs

Context
200K
Max output
100K
Input price
$1.1/ 1M tokens
Output price
$4.4/ 1M tokens
Released
2025-04-16

Context

Context window
200K
Max input
—
Max output
100K

Pricing · USD / 1M tokens

Input
$1.1
Output
$4.4
Cache read
$0.275
Cache write
—

Modalities

Input
TextImage
Output
Text

API

API types
chatresponsesbatch

Reasoning

Reasoning
Yes
Levels
—

Info

Status
Deprecated
Released
2025-04-16
Knowledge cutoff
2024-06-01

Features

Confirmed
toolsstructured_outputstreamingcachingbatch
Source · official docsVerified 2026-10-11

How to call

1 provider

openaimodel = o4-minireasoning = reasoning.effort

chat
POSThttps://api.openai.com/v1/chat/completions
responses
POSThttps://api.openai.com/v1/responses
batch
POSThttps://api.openai.com/v1/batches

JSON

Standard format
o4-mini.json
{
  "id": "o4-mini",
  "object": "model",
  "created": 1744761600,
  "owned_by": "openai",
  "name": "o4-mini",
  "api": {
    "types": [
      "chat",
      "responses",
      "batch"
    ]
  },
  "limits": {
    "context": 200000,
    "input": null,
    "output": 100000
  },
  "modalities": {
    "input": [
      "text",
      "image"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": true,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 1.1,
    "output": 4.4,
    "cache_read": 0.275,
    "cache_write": null
  },
  "features": [
    "tools",
    "structured_output",
    "streaming",
    "caching",
    "batch"
  ],
  "info": {
    "status": "deprecated",
    "release_date": "2025-04-16",
    "knowledge_cutoff": "2024-06-01",
    "description": "Fast, cost-efficient reasoning model, succeeded by GPT-5 Mini.",
    "docs": "https://developers.openai.com/api/docs/models/o4-mini",
    "verified_at": "2026-10-11"
  }
}

Official sources

5