Sources & verification notes

Gemini 3.1 Pro Preview

• Exact identifier & access

  Identity and lifecycle apply to this exact identifier and serving surface.

  • Models ↗Google AI for Developers · provider-authored · checked Sep 13, 2026

• First availability

  Effective Feb 19, 2026. Checked Sep 13, 2026.

  • Gemini deprecations ↗Google AI for Developers · provider-authored · checked Sep 13, 2026

• Availability status

  Effective date not established; this is an observation. Checked Sep 13, 2026.

  No shutdown date announced.

  • Models ↗Google AI for Developers · provider-authored · checked Sep 13, 2026

• Capabilities & limits

  Effective date not established; this is an observation. Checked Sep 13, 2026.

  • Models ↗Google AI for Developers · provider-authored · checked Sep 13, 2026

• Input price

  Effective date not established; this is an observation. Checked Sep 13, 2026.

  Not verified. These sources establish the identifier, not this missing fact.

  • Models ↗Google AI for Developers · provider-authored · checked Sep 13, 2026

• Output price

  Effective date not established; this is an observation. Checked Sep 13, 2026.

  Not verified. These sources establish the identifier, not this missing fact.

  • Models ↗Google AI for Developers · provider-authored · checked Sep 13, 2026

• License

  Effective date not established; this is an observation. Checked Sep 13, 2026.

  Not verified. These sources establish the identifier, not this missing fact.

  • Models ↗Google AI for Developers · provider-authored · checked Sep 13, 2026