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ElevenLabsVoice

Eleven v4

ElevenLabs' newest and most expressive speech.

voice/expressive-v4
Try it in StudioUse with your agent or API

Eleven v4

Voice

Price
6.7 credits / minute
Typical time
about 1 s
Makes
Text to speech

Best for

Eleven v4 is ElevenLabs' newest speech model. It reads lines with more emotion and control than v3, takes audio tags for delivery, and speaks more than 90 languages.

  • Character lines with real emotion: shouts, whispers and laughter.
  • Narration and tutorials in many languages.
  • Voice drafts for cutscenes.

Put it together

Where Eleven v4 fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to speechEleven v46.7 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/expressive-v4 \
  --input '{"text":"The gate opens at dawn. Bring the lantern.","voiceId":"JBFqnCBsd6RMkjVDRZzb"}' \
  --download .

voice/expressive-v4: $0.08 per 1,000 characters. Paid from your Summer credits.

Inputs

What input takes for voice/expressive-v4. Send only what you need; Summer fills in tested defaults.

  • textstringRequired · up to 5000 characters

    The words to speak, at most 5000 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 Eleven v4 good for in game development?
Eleven v4 is ElevenLabs' newest speech model. It reads lines with more emotion and control than v3, takes audio tags for delivery, and speaks more than 90 languages. Typical game uses: character lines with real emotion: shouts, whispers and laughter; narration and tutorials in many languages; voice drafts for cutscenes.
How much does Eleven v4 cost in Summer?
Eleven v4 costs 6.7 credits / minute in Summer Studio. It is charged from your Summer credits.
What kind of audio can Eleven v4 make?
In Summer, Eleven v4 is used for text to speech.
Can I use Eleven v4 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: "eleven_v4". Setup instructions are at summerengine.com/mcp.
Where do Eleven v4 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.