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GPT-4o Mini TTS

Text-to-speech model powered by GPT-4o Mini.

OpenAIgpt-4o-mini-tts2025-03-20Report incorrect data

Specs

Context
—
Max output
—
Input price
$0.6/ 1M tokens
Output price
$12/ 1M tokens
Released
2025-03-20

Context

Context window
—
Max input
2K
Max output
—

Pricing · USD / 1M tokens

Input
$0.6
Output
$12
Cache read
—
Cache write
—

Modalities

Input
Text
Output
Audio

API

API types
audio

Reasoning

Not published

Info

Status
Active
Released
2025-03-20
Knowledge cutoff
—

Features

Not published
Source · official docsVerified 2026-10-10

How to call

1 provider

openaimodel = gpt-4o-mini-tts

audio
POSThttps://api.openai.com/v1/audio/speech

JSON

Standard format
gpt-4o-mini-tts.json
{
  "id": "gpt-4o-mini-tts",
  "object": "model",
  "created": 1742428800,
  "owned_by": "openai",
  "name": "GPT-4o Mini TTS",
  "api": {
    "types": [
      "audio"
    ]
  },
  "limits": {
    "context": null,
    "input": 2000,
    "output": null
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "audio"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 0.6,
    "output": 12,
    "cache_read": null,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "active",
    "release_date": "2025-03-20",
    "knowledge_cutoff": null,
    "description": "Text-to-speech model powered by GPT-4o Mini.",
    "docs": "https://developers.openai.com/api/docs/models/gpt-4o-mini-tts",
    "verified_at": "2026-10-10"
  }
}

Official sources

4