TTS-1 HD: Benchmarks, Pricing & Context Window
TTS-1 HD is a text-to-speech model from OpenAI, released in September 2024.
OpenAI high-definition text-to-speech model
Input
Text
Output
Audio
TTS-1 HD pricing
Providers
TTS-1 HD starts at $7500000 per million input tokens via OpenAI.
| Provider | Input $/M | Output $/M | Max Input | Max Output | Latency s | Throughput | Quant | Input | Output |
|---|---|---|---|---|---|---|---|---|---|
 OpenAI | $7500000 | — | 1.0K | — | — | — | — |
TTS-1 HD API
POST/v1/tts/synthesize
Modeltts-1-hdRun a request to see the response
Use it in your code
OpenAI-compatible endpoint through the LLM Stats gateway.
import requests
response = requests.post(
"https://gateway.llm-stats.com/v1/tts/synthesize",
headers={"Authorization": "Bearer YOUR_API_KEY"},
json={
"model_id": "tts-1-hd",
"text": "Hello, this is a test.",
"format": "mp3",
"sample_rate": 24000,
},
)
with open("output.mp3", "wb") as f:
f.write(response.content)Need an API key? Create one above in the playground, or read the API documentation.
TTS-1 HD license
TTS-1 HD is released under the Proprietary license, which restricts commercial use.
- License
- Proprietary
- Non-commercial
Proprietary license - usage restrictions apply
FAQ
Common questions about TTS-1 HD.