For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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DocumentationAPI Reference
DocumentationAPI Reference
  • Overview
    • Welcome
    • Getting Started
    • Authentication
    • Concepts
  • Platform
    • Models and Pricing
    • Billing and Credits
    • Rate Limits and API Keys
    • OpenAI and Anthropic Compatibility
  • Providers and Models
    • All providers
      • Google overview
      • Gemini-2.5-Flash-TTS
      • Gemini-2.5-Pro-TTS
      • Gemini-3.1-Flash-TTS
      • Gemma-3-27B
  • Reference
    • API Reference Overview
    • AI Agent Access
    • Support
    • Changelog
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  • Models from Google
Providers and ModelsGoogle

Google

Models from Google

Gemini-2.5-Flash-TTS
Low-latency text-to-speech with single- and multi-speaker voices and controllable style, accent, and expressive tone for production apps.
Gemini-2.5-Pro-TTS
High-quality TTS preview for podcasts, audiobooks, and customer support, with expressive multi-speaker voices across 23+ languages.
Gemini-3.1-Flash-TTS
Highly controllable TTS with new Audio Tags for precise style, tone, pace, and delivery across narration, assistants, and voice apps.
Gemma-3-27B
Open-source vision-language model with 128K context, 140+ languages, improved math/reasoning, structured outputs, and function calling.
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