Last refreshed 2026-08-27. Next refresh: weekly.
Why use Octave 2 on Hume AI?
Hume AI offers Octave 2 with competitive pricing.
Input / 1M
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Output / 1M
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Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: 2Model ID
2Request example
Gotchas
- Use provider model ID "2", not the LLMReference slug "octave-2".
Capabilities
Audio
About Octave 2
Octave 2 is Hume AI's proprietary text-to-speech model released October 3, 2025 and exposed through the Hume API with character-based billing. API provider model ID: 2.
Get Started
Model Specs
Released2025-10-03
ArchitectureAudio / Speech