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Octave 2 (preview)
Hume AI's language-model-based text-to-speech model; Hume is sunsetting its TTS and EVI APIs on 2026-11-13.
- Hume AI
- Closed
- Released 3 Oct 2025
Where it ranks
- CText to speechModels · Cloud · 1,055 on Artificial Analysis Speech Arena: Text to Speech (provider voices)
Facts
- Vendor
- Hume AI
- Family
- Octave
- Released
- 3 Oct 2025
- Weights
- Closed: API and apps only
- License
- proprietary
- API price
- $88 per 1M characters (Artificial Analysis normalised price for Octave 2 (USD per 1M characters).)
- Last verified
- 19 Oct 2026
Price from artificialanalysis.ai, 18 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Artificial Analysis Speech Arena: Text to Speech (provider voices) | 1,055 | Octave 2Provider Voice Arena, all categories and accents; rank 61 of 96, 3151 appearances, 95% CI ±12; raw value from the page's embedded data (shown rounded); no last-updated date shown, so as_of = retrieval date. | 18 Oct 2026 | artificialanalysis.ai |
Where you can use it
No tracked tool lists this model yet.
Earlier versions
- Octave TTS · 26 Feb 2025