GPT-4o mini TTS is OpenAI's text to speech model, available from 2 providers, starting at $0.6 / 1M input and $10.00 / 1M output. A text-to-speech model built on GPT-4o mini that converts text to natural-sounding speech with a 2,000-token input limit.
Specifications
Canonical IDopenai-gpt-4o-mini-tts
TypeText to Speech
StatusActive
CreatorOpenAIOpenAI
Providers
Input ModalitiesText
Output ModalitiesAudio
Release Date · 1 year ago

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Audio Out
Azure AI Foundry logo
Azure AI Foundry
azure/gpt-4o-mini-tts
$2.50$10.00$12.00
/ 1M tokens
OpenAI logo
OpenAI
gpt-4o-mini-tts
$0.6$10.00$12.00
/ 1M tokens

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-5.4 Mini1.1M$0.750$4.50Available
GPT-5 Mini1.0M$0.250$2.00Available
GPT-5 Mini MediumAvailable
GPT-5.4 Mini MediumAvailable
GPT-5.4 Mini Non-ReasoningAvailable
GPT-5 Mini MinimalAvailable
GPT-4.1 Mini1.0M$0.400$1.60Deprecating
GPT-4o mini TTS$0.600$10.00Current
GPT-4o mini Transcribe16K$1.25$5.00Available
GPT-4o mini Search Preview128K$0.150$0.600Available
GPT-4o mini Audio128K$0.150$0.600Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
GPT-5.51.1M$5.00$30.00
GPT-5.4 NanoNano1.1M$0.200$1.25
GPT-5.41.1M$2.50$15.00
GPT-5.3 Codex400K$1.75$14.00
GPT-5.2 Codex400K$1.75$14.00
GPT-5.2410K$1.75$14.00
GPT-5.1410K$1.25$10.00
GPT-5.1 Codex400K$1.25$10.00
GPT-5.1 Codex Mini400K$0.250$2.00
GPT-5 Codex400K$0.125$10.00

Model IDs

azure/gpt-4o-mini-tts
gpt-4o-mini-tts
gpt-4o-mini-tts-2025-03-20
gpt-4o-mini-tts-2025-12-15
openai-gpt-4o-mini-tts