Text-to-speech

IndexTTS-2 requirements, license & speed

By bilibili (IndexTeam) · released 2025-06-18

Hugging Face ↗ GitHub ↗ Compare

Commercial useConditional
Min memoryNot stated
Runs on CPUUnknown
StreamingUnknown

Key facts

License
bilibili Model Use License Agreement source
Commercial use
Conditional source
Commercial use: contact indexspeech@bilibili.com
Parameters
Unknown
Minimum memory
Not stated by source
Runs on CPU
Unknown
Streaming
Unknown
Voice cloning
Yes source
Single reference clip
Languages
zh, en source
IndexTTS-2.5 adds ja, es, ar
Released
2025-06-18 source
Hugging Face repo creation date (proxy for release date)
Gated on HF
No

Measured speed & memory

Benchmark pending. We haven't measured IndexTTS-2 yet. Planned targets: CPU (8 vCPU), Apple Silicon Mac, RTX-class consumer GPU and a rented cloud GPU. Get notified.

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