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ElevenLabsVoice

Eleven Flash v2.5

Low-latency speech for fast iteration.

voice/flash-v2.5
Try it in StudioUse with your agent or API

Eleven Flash v2.5

Voice

Price
3.4 credits / minute
Typical time
about 3 s
Makes
Text to speech

Best for

Eleven Flash v2.5 is ElevenLabs' low-latency speech model. It is the quickest way to hear a line of dialogue while you are still writing it.

  • Iterating on dialogue lines and timing during writing.
  • Barks and short callouts such as "reloading" or "over here".
  • Temporary voice for prototypes.

Put it together

Where Eleven Flash v2.5 fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to speechEleven Flash v2.53.4 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/flash-v2.5 \
  --input '{"text":"The gate opens at dawn. Bring the lantern.","voiceId":"JBFqnCBsd6RMkjVDRZzb"}' \
  --download .

voice/flash-v2.5: $0.04 per 1,000 characters. Paid from your Summer credits.

Inputs

What input takes for voice/flash-v2.5. 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 Flash v2.5 good for in game development?
Eleven Flash v2.5 is ElevenLabs' low-latency speech model. It is the quickest way to hear a line of dialogue while you are still writing it. Typical game uses: iterating on dialogue lines and timing during writing; barks and short callouts such as "reloading" or "over here"; temporary voice for prototypes.
How much does Eleven Flash v2.5 cost in Summer?
Eleven Flash v2.5 costs 3.4 credits / minute in Summer Studio. It is charged from your Summer credits.
What kind of audio can Eleven Flash v2.5 make?
In Summer, Eleven Flash v2.5 is used for text to speech.
Can I use Eleven Flash v2.5 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_flash_v2_5". Setup instructions are at summerengine.com/mcp.
Where do Eleven Flash v2.5 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.