Speech Synthesis / Quote
GPT-4o Mini TTS API Price Speech Synthesis
OpenAI · gpt-4o-mini-tts
| Billing | USD · 百万 tokens |
|---|---|
| Modalities | 文本 / 音频 |
| Deep Thinking | — |
| Verified Date | 2026-09-04 |
| Official pricing page | developers.openai.com/api/docs/models/gpt-4o-mini-tts ↗ |
输入为文本 tokens(上限 2000),输出按音频 tokens 计费。
Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
OpenAI Related Models
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- GPT-5.5 $5 / $30
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- GPT-5.4 $2.5 / $15
- GPT-5.4 Pro $30 / $180
- GPT-5.4 Mini $0.75 / $4.5
- GPT-5.4 nano $0.2 / $1.25
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- GPT-5.2 Pro $21 / $168
- GPT-5.1 $1.25 / $10
- GPT-5 $1.25 / $10
- GPT-5 Pro $15 / $120
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- GPT-5 nano $0.05 / $0.4
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- GPT-Realtime-2.1 Mini $0.6 / $2.4
- GPT-Image-2 $5 / $30
- GPT-Image-1 $0.01 /张
- GPT-Image-1 Mini $0.01 /张
- Sora 2 $0.1 /秒
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- Whisper Tiered
FAQ
How much does the GPT-4o Mini TTS API cost?
Input $0.6/百万 tokens, output $12/百万 tokens
Which input modalities does GPT-4o Mini TTS support?
文本 / 音频.
What is the approximate monthly cost of GPT-4o Mini TTS?
Depends on volume: light use (1M input + 300K output per day) ≈ $126/month; medium (5M + 1.5M) ≈ $630/month; heavy agents (10M + 3M) ≈ $1,260/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does GPT-4o Mini TTS compare with peers on value?
OpenAI GPT-4o Mini TTS is priced low among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit GPT-4o Mini TTS?
Good for: voice-overs, audiobooks, social media, navigation systems, accessibility.
Does GPT-4o Mini TTS have a free tier?
Check OpenAI's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.