Seed Audio 1.0 API

Seed Audio 1.0 is a non-streaming audio generation model for speech, sound effects, timbre control, and reference-guided audio creation.

Modalities
TextAudio
Price
$0.0025per second
Model type
Text to speech
Released
Jun 29, 2026

Seed Audio 1.0 overview

Voice sample

Seed Audio 1.0

Generated through AI/ML API on Nov 3, 2026

0:000:12

Generated from the text and settings shown here.

Seed Audio 1.0 by ByteDance

Seed Audio 1.0 is ByteDance's non-streaming audio generation model, producing speech, sound effects, and reference-guided audio with precise timbre control.

Seed Audio 1.0 specs

Model ID
bytedance/seed-audio-1-0
Developer
ByteDance
Input
Text
Output
Audio
Endpoint
POST https://api.aimlapi.com/v1/tts

Seed Audio 1.0 is ByteDance's non-streaming audio generation model for speech, sound effects, timbre control, and reference-guided audio creation. It's designed for workflows that need precise control over voice and audio characteristics without real-time streaming constraints.

Comparison with Other Models
- vs other TTS models: Seed Audio adds sound-effect generation and reference-guided timbre control beyond standard text-to-speech.

Use cases

Seed Audio 1.0 is documented as useful for narrative audio, scripted dialogue, short-form video, advertising, game content, podcast-style production, and other formats where sound carries the scene. It is also described as suitable for generating conversations with distinct speakers, including scripted podcasts, training scenarios, and character-driven storytelling.

It is documented for environmental ambience and action-matched sound effects alongside speech, which supports prototypes and short-form content. It is also described as useful for creating audio for advertising, including ad spots and other branded short-form pieces.

The model is documented as suitable for audiobook-style production, including narration, character voices, and sound design for a full book. It is also described as useful for video dubbing, with line timing aligned to the picture.

Seed Audio 1.0 API pricing

Seed Audio 1.0 pricing in US dollars
UsagePriceUnit
Speech generation$0.0025per second

Prices from the AI/ML API price list, checked on Nov 4, 2026.

Seed Audio 1.0 vs other speech models: prices

AI/ML API rates for 3 models, per second.

AI/ML API prices in USD per second
ModelPer second
Seed Audio 1.0$0.0025
VibeVoice 1.5B$0.0007
VibeVoice 7B$0.0007

How to use the Seed Audio 1.0 API

View docs (opens in a new tab)

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/tts' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "bytedance/seed-audio-1-0",
  "text": "Your order has shipped. It will arrive on Thursday between nine and eleven in the morning. Reply to this message if you need to change the delivery time."
}'

Related articles

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Seed Audio 1.0 FAQ

What inputs and outputs does Seed Audio 1.0 support?

Seed Audio 1.0 takes text as input and returns audio.

When was Seed Audio 1.0 released?

Seed Audio 1.0 became available on June 29, 2026.

How much does Seed Audio 1.0 cost?

Seed Audio 1.0 costs $0.0025 per second on AI/ML API, billed as you go with no subscription.

How is Seed Audio 1.0 billed?

Seed Audio 1.0 costs $0.0025 per second on AI/ML API, billed as you go with no subscription.

Who created Seed Audio 1.0?

Seed Audio 1.0 was built by ByteDance.

How do I call Seed Audio 1.0 on AI/ML API?

Send a request to https://api.aimlapi.com/v1/tts with bytedance/seed-audio-1-0 as the model id.

Is Seed Audio 1.0 available through a single API key?

Yes. Seed Audio 1.0 is served through AI/ML API, so the same key and endpoint format used for other models applies.

Is Seed Audio 1.0 limited to basic text-to-speech conversion?

No. Besides converting text to speech, it also generates sound effects, offers timbre control, and creates audio guided by a reference input.

Does Seed Audio 1.0 generate audio in real time (streaming)?

No, it is a non-streaming model, meaning the full audio output is produced after processing rather than streamed as it's generated.

What is the Seed Audio 1.0 model ID?

Use bytedance/seed-audio-1-0 as the model parameter. Requests go to https://api.aimlapi.com/v1/tts with your AI/ML API key.

Start building with Seed Audio 1.0

Seed Audio 1.0 API

bytedance/seed-audio-1-0

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/tts' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "bytedance/seed-audio-1-0",
  "text": "Your order has shipped. It will arrive on Thursday between nine and eleven in the morning. Reply to this message if you need to change the delivery time."
}'