MOSS-TTSD

LatestSpeech generation

MOSS-TTSD (text to spoken dialogue) is an open-source spoken dialogue synthesis model that turns a two-speaker dialogue script into natural, expressive conversational speech. It supports zero-shot two-speaker voice cloning and long single-pass speech generation, making it ideal for podcasts, interviews, chat, and other dialogue scenarios.

View API reference

ENDPOINT

POST /v1/audio/speech/speakers

Current request path

Input

Text

Content accepted by the request

Output

Audio

Content returned on success

Model overview

Multi-speaker dialogue speech synthesis model. Use the stable model ID moss-ttsd-1.0 by default; to reproduce a fixed version, pass moss-ttsd-1.0-2026-03-20 in model.

Billing

Billing methodCNY priceActual deduction

By input charactersCNY 2.00 / 10K characters40 credits / 10K characters

Each request is billed by actual usage. CNY prices are for reference; the final charge follows the credits bill. View full pricing

Modality support

TTextInput only

AAudioOutput only

IImageNot supported

VVideoNot supported

Supported endpoints

Single-speaker speech/v1/audio/speechNot supported

Multi-speaker dialogue speech/v1/audio/speech/speakersSupported

Audio transcription/v1/audio/transcriptionsNot supported

Voice design/v1/audio/voice/generationsNot supported

Multimodal understanding/v1/responsesNot supported

Realtime video understanding/v1/realtimeNot supported

Image generation/v1/images/generationsNot supported

Capabilities

PerformanceHigh

Inference speedMedium

Streaming Not supported

Async Supported

Up to 40 minutes of audio per generation
Zero-shot two-speaker cloning

Versions and snapshots

Model IDmoss-ttsd-1.0

Snapshotmoss-ttsd-1.0-2026-03-20Latest