Text-to-speech

Kyutai TTS 1.6B (EN/FR) requirements, license & speed

By Kyutai · released 2025-06-30 · 1.8B parameters

Hugging Face ↗ GitHub ↗ Compare

Commercial useYes
Min memoryNot stated
Runs on CPUUnknown
StreamingYes

Key facts

License
cc-by-4.0 source
Commercial use
Yes source
CC-BY-4.0
Parameters
1.8B source
Card: actually 1.8B, not 1.6B
Minimum memory
Not stated by source
Runs on CPU
Unknown
Streaming
Yes source
Voice cloning
Limited source
Restricted to pre-computed voice embeddings
Languages
en, fr source
Released
2025-06-30 source
Hugging Face repo creation date (proxy for release date)
Gated on HF
No

Measured speed & memory

Benchmark pending. We haven't measured Kyutai TTS 1.6B (EN/FR) yet. Planned targets: Raspberry Pi 5, CPU-only x86, Apple Silicon Mac and consumer GPUs. Get notified.

Accuracy

We don't run accuracy evals. For quality and intelligibility, check the Hugging Face Open TTS Leaderboard.

Similar TTS models

Spotted an error? Report it. Every fact links to the model card or repo it came from.

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One email a week: new open TTS/STT models, license gotchas, and what we measured on CPUs, Macs, Pis and consumer GPUs.