Studio Pass
Models / Voice

Gemini 3.8 Flash TTS

By Google, in Claude, ChatGPT, Cursor, Claude Code, and the API.

Clear, natural voiceovers from Google for about half the credits of ElevenLabs, with 30 voices of its own. Third in blind speech tests.

Made by
Google
Type
Voice
Price band
Budget
Blind tests
#3 on Artificial Analysis's text-to-speech arena, September 2026
Voices
30 preset voices
Model id
gemini-3.8-flash-tts

Ask for it by name

Your AI uses the default for voice unless you name another. Say Gemini 3.8 Flash TTS and it uses this one.

youWrite a 20-second welcome for our podcast and record it with Gemini 3.8 Flash TTS.

A Studio month (3,000 credits) covers about 430 minutes of speech with Gemini 3.8 Flash TTS, or a mix with any other model. See plans.

Voices

  • Kore — firm (default)
  • Zephyr — bright
  • Puck — upbeat
  • Charon — informative
  • Fenrir — excitable
  • Leda — youthful
  • Orus — firm
  • Aoede — breezy
  • Callirrhoe — easy-going
  • Autonoe — bright
  • Enceladus — breathy
  • Iapetus — clear
  • Umbriel — easy-going
  • Algieba — smooth
  • Despina — smooth
  • Erinome — clear
  • Algenib — gravelly
  • Rasalgethi — informative
  • Laomedeia — upbeat
  • Achernar — soft
  • Alnilam — firm
  • Schedar — even
  • Gacrux — mature
  • Pulcherrima — forward
  • Achird — friendly
  • Zubenelgenubi — casual
  • Vindemiatrix — gentle
  • Sadachbia — lively
  • Sadaltager — knowledgeable
  • Sulafat — warm

From your own code

The same key your assistant uses works as a bearer token. See the docs.

curl https://getstudiopass.com/v1/generations \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"modality":"voice","model":"gemini-3.8-flash-tts","text":"Welcome to the show."}'

Other voice models in Studio Pass

Use it inClaudeChatGPTCursorClaude Code