Google · Proprietary · Read 2026-10-27
Google Chirp 3: HD: latency, voice quality, price and languages
- Rank
- 22 / 23
- Speed tier
- Visible delay
- P95
- 917.2 ms
- Price / 1M chars
- $30
Google Chirp 3: HD is a proprietary text-to-speech model from Google. Coval measures a median of 534.1 ms and a P95 of 917.2 ms to first audio, which puts it in the Visible delay speed tier, rank 22 of 23 in the multilingual ranking. Artificial Analysis or Speko tested it in 5 languages.
This summary is generated from the measures below; it is not a vendor description. Measures a source does not hold are shown as n/a and are never estimated.
Speed (Coval, 30 days, US East, English)
| Speed tier | Visible delay |
| Median time to first audio | 534.1 ms |
| P90 | 847.1 ms |
| P95 | 917.2 ms |
| Mean | 589.3 ms |
| Standard deviation | 220.0 ms |
| Calls in the window | 2,808 |
| Cekura median, streamed text | n/a |
| Cekura median, full text | n/a |
Voice quality (never added together)
| Listener Elo (Artificial Analysis) | 1,061 ±12 |
| Customer-service Elo (Artificial Analysis) | 1,108 ±27 |
| Naturalness (Speko) | n/a |
| Naturalness estimate (Cekura, 1 to 5) | n/a |
Accuracy
| Reading accuracy (Cekura) | n/a |
| Numbers (Cekura) | n/a |
| Codes (Cekura) | n/a |
| Context (Cekura) | n/a |
| Medical terms (Cekura) | n/a |
| Hard passages judged correct (Artificial Analysis) | n/a |
| Numbers and dates (Speko score) | n/a |
| Word error rate (Coval) | 1.6% |
Price per 1 million characters
| Range across sources | $30 |
| Artificial Analysis | $30 |
| Speko | n/a |
| Coval | $30 |
| Cekura | n/a |
Coverage
| Access | Proprietary |
| Streaming | Measured |
| Coval tags | multilingual |
| Rated for | Knowledge sharing, Assistants, Entertainment, Customer service |
| Languages tested | Hindi, Japanese, Tamil, Telugu, Thai |
Not collected
- Naturalness (Speko naturalness): not measured by Speko (reading of 2026-10-27)
- Numbers and dates (Speko pronunciation score): not measured by Speko (reading of 2026-10-27)
Sources
Keep exploring
Frequently asked questions
- How fast is Google Chirp 3: HD?
- Coval measures a median time to first audio of 534.1 ms and a P95 of 917.2 ms for Google Chirp 3: HD, over 30 days from the US East in English (Visible delay tier).
- How much does Google Chirp 3: HD cost?
- The benchmarks print a list price of $30 per million characters for Google Chirp 3: HD.
- Which languages was Google Chirp 3: HD tested in?
- Artificial Analysis or Speko tested Google Chirp 3: HD in Hindi, Japanese, Tamil, Telugu, Thai.