GPT-4o Mini TTS API Pricing Calculator

Model Details

Released

Mar 20, 2025

Status

Legacysunset Jan 06, 2027

Superseded By

GPT Realtime 2.1 Mini

Where is GPT-4o Mini TTS a perfect fit?

gpt-4o-mini-tts is optimized for fast, cost-efficient speech synthesis with natural voice output. Ideal for:
- Voice assistants and conversational AI responses
- Generating audio for apps, games, and interactive experiences
- Accessibility tools (screen readers, voice narration)
- Content narration for videos, podcasts, and learning platforms
- Real-time speech generation in customer support systems
- Multilingual text-to-speech pipelines at scale

Quick Model Estimate

Tokens Characters Words

Model

Provider

Modality

Service Tier

Context Size

Input Tokens

(N/A)

Output Tokens

(USD 12.0000 per 1M tokens)

No. of API Calls

Your GPT-4o Mini TTS Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000) —

📤 Output (1000 × $12.000000) —

Cost Breakdown

📥 Input 📤 Output

Prices are watched for changes and checked against the provider's own page.

Pricing

Provider ↕	Modality ↕	Service Tier ↕	Input Price (per 1M tokens) ↕	Output Price (per 1M tokens) ↕	Context Size ↕	View
OpenAI	Audio	Standard	N/A	$12.0000	N/A	→
OpenAI	Text	Standard	$0.6000	N/A	N/A	→

Recent changes

When GPT-4o Mini TTS was newly listed on a provider, moved to legacy or deprecated, or retired.

4th Oct 2026 Legacy
OpenAI moved GPT-4o Mini TTS to legacy, retiring it on 6th Jan 2027, with GPT Realtime 2.1 Mini as the suggested replacement.

Legacy

Audio

FAQs about GPT-4o Mini TTS

How much does GPT-4o Mini TTS cost per 1M tokens?

GPT-4o Mini TTS costs $0.60 per million input tokens, and $12.00 per million output tokens.

What does a typical workload cost with GPT-4o Mini TTS?

1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $7.20 with GPT-4o Mini TTS at its lowest rates. Use the calculator on this page for your own volumes.

Where can I use GPT-4o Mini TTS?

GPT-4o Mini TTS is available through OpenAI, from $0.60 per million input tokens.

Is GPT-4o Mini TTS still available?

GPT-4o Mini TTS is a legacy model and is scheduled for retirement on 6 January 2027. The replacement is GPT Realtime 2.1 Mini.