Speech-to-text

Kyutai STT 2.6B (EN) requirements, license & speed

By Kyutai · released 2025-06-06 · 2.62B 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 (attribution)
Parameters
2.62B source
safetensors parameter count
Minimum memory
Not stated by source
Runs on CPU
Unknown
Streaming
Yes source
2.5 s delay; 1B en/fr sibling has 0.5 s delay
Voice cloning
n/a (speech-to-text)
Languages
en source
Released
2025-06-06 source
Hugging Face repo creation date (proxy for release date)
Gated on HF
No

Measured speed & memory

Benchmark pending. We haven't measured Kyutai STT 2.6B (EN) 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 word error rate, check the Hugging Face Open ASR Leaderboard.

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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.