Lowest price
Choose Grok Text to Speech
Grok Text to Speech costs $15.00 / 1M characters, against $30.00 / 1M characters for TTS-1 HD.
Grok Text to Speech vs TTS-1 HD: price, context and capabilities
Choose Grok Text to Speech for the lowest price; on the other points the two are level or the data is missing.
In short
- Grok Text to Speech is 50% cheaper than TTS-1 HD at the headline price ($15.00 / 1M characters vs $30.00 / 1M characters).
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Monthly cost at three volumes
| Volume | Grok Text to Speech | TTS-1 HD | Difference |
|---|---|---|---|
| 1 million characters | $15.00 | $30.00 | Grok Text to Speech, $15.00 less |
| 10 million characters | $150.00 | $300.00 | Grok Text to Speech, $150.00 less |
| 100 million characters | $1,500 | $3,000 | Grok Text to Speech, $1,500 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| Grok Text to Speech | TTS-1 HD | |
|---|---|---|
| Provider | xAI | OpenAI |
| Category | Text to speech | Text to speech |
| Status | Generally available | Deprecated |
| Headline price | $15.00 / 1M characters | $30.00 / 1M characters |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | No data | November 2023 |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | No data | No data |
| API model id | tts-1-hd |
Frequently asked questions
Should I choose Grok Text to Speech or TTS-1 HD?
Choose Grok Text to Speech for the lowest price; on the other points the two are level or the data is missing.
Which is cheaper, Grok Text to Speech or TTS-1 HD?
Grok Text to Speech is 50% cheaper than TTS-1 HD at the headline price ($15.00 / 1M characters vs $30.00 / 1M characters).
What is the difference between Grok Text to Speech and TTS-1 HD?
Grok Text to Speech is made by xAI and TTS-1 HD by OpenAI. Grok Text to Speech is 50% cheaper than TTS-1 HD at the headline price ($15.00 / 1M characters vs $30.00 / 1M characters).