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GoogleVoice

Gemini 3.8 Flash Lite TTS

The lighter Gemini 3.8 speech model, for more lines for less.

voice/gemini-3.8-flash-lite-tts
Try it in StudioUse with your agent or API

Wren, shopkeeper

Welcome back, adventurer! Potions on the left, swords on the right, and please do not touch the dragon egg. Again.

Price
2.5 credits / minute
Typical time
about 4 s
Makes
Text to speech

Best for

Gemini 3.8 Flash Lite TTS is the lighter version of Google's newest speech model. It keeps the same 30 voices and plain word direction at a lower price, which suits large batches of lines.

  • Bulk barks and callouts for enemies and crowds.
  • Placeholder dialogue for a whole script before final casting.
  • Tutorial and menu voice lines.

Put it together

Where Gemini 3.8 Flash Lite TTS fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to speechGemini 3.8 Flash Lite TTS2.5 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/gemini-3.8-flash-lite-tts \
  --input '{"text":"The gate opens at dawn. Bring the lantern.","voiceId":"Kore"}' \
  --download .

voice/gemini-3.8-flash-lite-tts: $0.03 per 1,000 characters. Paid from your Summer credits.

Inputs

What input takes for voice/gemini-3.8-flash-lite-tts. 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 Gemini 3.8 Flash Lite TTS good for in game development?
Gemini 3.8 Flash Lite TTS is the lighter version of Google's newest speech model. It keeps the same 30 voices and plain word direction at a lower price, which suits large batches of lines. Typical game uses: bulk barks and callouts for enemies and crowds; placeholder dialogue for a whole script before final casting; tutorial and menu voice lines.
How much does Gemini 3.8 Flash Lite TTS cost in Summer?
Gemini 3.8 Flash Lite TTS costs 2.5 credits / minute in Summer Studio. It is charged from your Summer credits.
What kind of audio can Gemini 3.8 Flash Lite TTS make?
In Summer, Gemini 3.8 Flash Lite TTS is used for text to speech.
Can I use Gemini 3.8 Flash Lite TTS 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: "gemini-3.8-flash-lite-tts". Setup instructions are at summerengine.com/mcp.
Where do Gemini 3.8 Flash Lite TTS 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.