Seed Audio 1.0 features

From text to natural AI speech. Seed Audio 1.0 covers text-to-speech, voice cloning and multilingual output in one generator, with flexible controls for any use case.

Key features

Turn text into speech (TTS)

Type your script and Seed Audio 1.0 generates natural, expressive speech. Describe the tone in plain language to cover everything from narration to conversational delivery.

Text inputNatural deliveryGenerated in seconds

Model: Seed Audio 1.0

Voice cloning

Reproduce a voice from reference audio — up to 3 clips, 30 seconds each, referenced in the prompt as @Audio1–@Audio3. Keep one consistent brand voice across all of your content.

Up to 3 reference clips30s each@Audio1–3

Model: Seed Audio 1.0

20 preset voices

Choose from 20 preset voices to fit your tone and use case — narration, character, news reading. The same script sounds very different across voices, so preview and compare.

20 voicesPick by use casePreview & compare

Model: Seed Audio 1.0

Multilingual

Speaks English, Chinese, Japanese, Spanish, Indonesian and Portuguese, and reads text that mixes languages without extra setup.

6 languagesNative JapaneseMixed-language OK

Model: Seed Audio 1.0

Speed, pitch & volume control

Fine-tune speaking speed (0.5–2.0x), pitch (±12 semitones) and volume (0.5–2.0x). Slow down fast delivery or drop the pitch for a lower, calmer voice to fit each project.

Speed 0.5–2.0xPitch ±12Volume 0.5–2.0x

Model: Seed Audio 1.0

Output formats & sample rate

Export as MP3, WAV, PCM or OGG Opus, with sample rates up to 48 kHz. Choose the format that fits video, podcast or app and download straight away.

MP3/WAV/PCM/OGGUp to 48 kHzInstant download

Model: Seed Audio 1.0

Credit preview before you generate

Every generation shows its credit cost before you run it, based on length and settings. Start with free credits, and failed jobs are not charged.

Cost shown upfrontFree creditsNo charge on failure

Model: Seed Audio 1.0

Feature FAQ

Common questions about Seed Audio 1.0 features.

Generate voice now

Create natural speech from text with Seed Audio 1.0. Your first generation is covered by free credits.