gpt-4o-mini-tts-2025-03-20

ttsdeprecatedproprietary

Status: Deprecated · Succeeded by gpt-realtime-2.1-mini

Intelligence
Speed
Input price
$0.6/1M tokens
Output price
—
Alias ofgpt-4o-mini-tts

Capabilities

No supported capabilities recorded.

Details

Provider OpenAI
Creator openai
Familygpt-4o
Licenseproprietary
Statusdeprecated
Typetts
Input modalitiestext
Output modalitiesspeech
Open weightNo
Max chars—
Sample rate—
Voices—
Languages—
Release date
Deprecation date
Retirement date
Successorgpt-realtime-2.1-mini
Sourceofficial

Endpoints

SpeechPOST
Convert text to spoken audiohttps://api.openai.com/v1/audio/speech

Pricing

Audio tokensPer 1M tokens
InputCached inputOutput
Standard——$12
Text tokensPer 1M tokens
InputCached inputOutput
Standard$0.6——

Family Comparison: gpt-4o

ModelContextMax outPricing
GPT-4o Mini Audio128K16K$0.15$0.6
GPT-4o Mini Search Preview128K16K$0.15$0.6
GPT-4o Mini128K16K$0.15$0.6
GPT-4o Mini Realtime16K4K$0.6$2.4
GPT-4o Mini TTS——$0.6—
GPT-4o Mini Transcribe16K2K$1.25$5
GPT-4o Audio128K16K$2.5$10
GPT-4o Search Preview128K16K$2.5$10
GPT-4o Transcribe Diarize16K2K$2.5$10
GPT-4o Transcribe16K2K$2.5$10
GPT-4o128K16K$2.5$10
GPT-4o Realtime32K4K$5$20

API

GET/v1/models/openai/gpt-4o-mini-tts-2025-03-20

gpt-4o-mini-tts-2025-03-20

deprecated

Status: Deprecated

alias → gpt-4o-mini-tts
Changes · 10 entries
gpt-4o-mini-tts-2025-03-20updateca7a400Nov 2, 2026, 03:02 AM
statusactive→deprecated
descriptionGPT-4o mini TTS is a text-to-speech model built on GPT-4o...→Status: Deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Audio tokens","unit":"Per 1M tokens","columns"...
deprecation_date2026-10-01
retirement_date2027-01-06
successorgpt-realtime-2.1-mini
gpt-4o-mini-tts-2025-03-20updateb2f45bfOct 29, 2026, 03:29 AM
descriptionGPT-4o Mini TTS is a text-to-speech model built on GPT-4o...→Status: Deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Audio tokens","unit":"Per 1M tokens","columns"...
gpt-4o-mini-tts-2025-03-20update2b89bf1Oct 2, 2026, 06:39 AM
statusactive→deprecated
deprecation_date2026-10-01
retirement_date2027-01-06
successorgpt-realtime-2.1-mini
gpt-4o-mini-tts-2025-03-20update118451aSep 24, 2026, 07:08 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-4o-mini-tts-2025-03-20updatee3fc6e0Aug 31, 2026, 07:31 AM
descriptionGPT-4o mini TTS is a text-to-speech model built on GPT-4o...→GPT-4o Mini TTS is a text-to-speech model built on GPT-4o...
gpt-4o-mini-tts-2025-03-20update1cd659eMar 24, 2026, 04:19 AM
page_urlhttps://platform.openai.com/docs/models/gpt-4o-mini-tts→https://developers.openai.com/api/docs/models/gpt-4o-mini...
gpt-4o-mini-tts-2025-03-20update2b100acMar 23, 2026, 05:30 AM
licenseproprietary
release_date2025-03-20
page_urlhttps://platform.openai.com/docs/models/gpt-4o-mini-tts
open_weightno
gpt-4o-mini-tts-2025-03-20updateb50649fMar 21, 2026, 11:58 PM
pricinginput$2.5→$0.6output$10cached input$1.25batch input$1.25batch output$5tiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
model_typeother→tts
endpoints["speech_generation"]
taglineGPT-4o mini TTS is a text-to-speech model built on GPT-4o...
gpt-4o-mini-tts-2025-03-20updatec9a70c5Mar 21, 2026, 08:12 AM
pricinginput$2.5output$10cached input$1.25batch input$1.25batch output$5
descriptionGPT-4o mini TTS is a text-to-speech model built on GPT-4o...
model_typeother
gpt-4o-mini-tts-2025-03-20create7f5c66fMar 21, 2026, 05:16 AM