Changelog

Gemini 3.5 Flash Now Available

gemini-3.5-flash is now available as a managed Google LLM in the Voice Agent API. This Standard tier model brings improved performance and efficiency to your voice agents.

Set the model in your agent configuration:

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{
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  "agent": {
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    "think": {
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      "provider": {
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        "type": "google",
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        "model": "gemini-3.5-flash",
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        "temperature": 0.5
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      }
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    }
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  }
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}

Deprecation Notice

The Gemini 2.5 Flash family of models is deprecating in October. Start testing newer models now to ensure a smooth migration.

For more details on Gemini model deprecations, see Google’s Gemini deprecations page.

For the full list of supported models and pricing tiers, see the Voice Agent LLM Models documentation.