OpenRouter

ByteDance: Seed Audio 1.0

bytedance/seed-audio-1.0
Context

2K

Input

text

Output

audio

Tool calling

Not listed

OverviewProvidersPricingBenchmarksAPI and quickstartReviews

About this model

Seed Audio 1.0 is ByteDance Seed's unified full-scene audio generation model designed to create speech, dialogue, sound effects, ambience, and other acoustic elements together within a single coherent audio scene. It supports expressive voice generation from text descriptions, reference-audio-conditioned voice generation, multi-character dialogue, multilingual speech, emotion and prosody control, environmental sound design, and fine-grained dialogue timing with approximately 100 ms precision. The model can generate up to two minutes of audio in a single pass and supports continuation for longer content while maintaining character voice consistency. Its architecture combines language-level scene understanding with a diffusion-based acoustic generator operating in a high-fidelity latent audio space.

Compare Text-to-Speech ModelsCompare Audio Models

Input modalities

text

Accepted as model input

Providers

Available routing options for this model through OneInfer.

OpenRouter
Available

Audio processing

$0.150 / minute

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

UsagePrice
Audio processingTTS$0.150 / minute

Performance & Benchmarks

Independent evaluations and live cluster operational metrics

We haven’t measured this model yet.

API Guide

API docs
  1. 1

    Generate your access token

    Use your API key to generate the JWT access token required by the Models API.

  2. 2

    Add the JWT token

    Copy the generated JWT token and replace JWT_TOKEN in the example below.

  3. 3

    Check your credits

    If your balance is too low, before calling the model.

  4. 4

    Run the API example

    Choose your preferred language, copy the example, and send your first model request.

    curl -X POST https://api.oneinfer.ai/v1/ula/generate-audio \
  -H "Authorization: Bearer YOUR_JWT_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "provider": "openrouter",
  "model": "bytedance/seed-audio-1.0",
  "prompt": "OneInfer makes AI inference simple.",
  "stream": false,
  "voice_id": "English_expressive_narrator",
  "format": "mp3"
}'

Community Model Reviews & Ratings

Verified visitor & developer evaluations on ByteDance: Seed Audio 1.0's real-world intelligence, code accuracy, and speed

4.8
Community consensus rating
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