All models

ByteDanceVoice

Seed Audio 1.0

ByteDance's natural speech with preset voices.

voice/seed-audio-1.0
Try it in StudioUse with your agent or API

Seed Audio 1.0

Voice

Price
19 credits / minute
Typical time
about 36 s
Makes
Text to speech

Best for

Seed Audio 1.0 is ByteDance's speech model. Summer runs it with its preset voices, in English, Chinese and mixed languages, with a speed control.

  • NPC voice lines with natural pacing.
  • Mixed-language dialogue.
  • Narration for tutorials and trailers.

Put it together

Where Seed Audio 1.0 fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to speechSeed Audio 1.019 credits / minute

Paid from your Summer credits.

Use it from code or your agent

Sign in once with summer login. Your agent or your code then runs it with your paid credits.

npx -y summer-engine@latest login
npx -y summer-engine@latest api run voice/seed-audio-1.0 \
  --input '{"text":"The gate opens at dawn. Bring the lantern.","voiceId":"stokie_en"}' \
  --download .

voice/seed-audio-1.0: $0.2232 per 1,000 characters. Paid from your Summer credits.

Inputs

What input takes for voice/seed-audio-1.0. Send only what you need; Summer fills in tested defaults.

  • textstringRequired · up to 2048 characters

    The words to speak, at most 2048 characters.

  • voiceIdstringup to 100 characters

    Speech: a voice of the game cast.

  • voiceSettingsobject

    Speech: voice tuning.

    Show 5 child parameters
    • voiceSettings.stabilitynumber0 to 1
    • voiceSettings.similarityBoostnumber0 to 1
    • voiceSettings.stylenumber0 to 1
    • voiceSettings.speednumber0.7 to 1.2
    • voiceSettings.useSpeakerBoostboolean

Model docs · Summer API docs · Set up the Summer MCP server · Try it in the browser

Questions

What is Seed Audio 1.0 good for in game development?
Seed Audio 1.0 is ByteDance's speech model. Summer runs it with its preset voices, in English, Chinese and mixed languages, with a speed control. Typical game uses: NPC voice lines with natural pacing; mixed-language dialogue; narration for tutorials and trailers.
How much does Seed Audio 1.0 cost in Summer?
Seed Audio 1.0 costs 19 credits / minute in Summer Studio. It is charged from your Summer credits.
What kind of audio can Seed Audio 1.0 make?
In Summer, Seed Audio 1.0 is used for text to speech.
Can I use Seed Audio 1.0 from Claude Code, Cursor or Codex?
Yes. Connect the Summer MCP server to Claude Code, Cursor, Codex or another MCP client, then ask your agent to generate with summer_generate_audio with capability: "text_to_speech", modelId: "seed-audio-1.0". Setup instructions are at summerengine.com/mcp.
Where do Seed Audio 1.0 results go?
Every generation is saved to your Summer asset library. From there you can download it or bring it into a Summer Engine project.