- The following models are being deprecated and replaced with newer versions:
- Gemini models:
gemini-2.5-pro→ replaced withgemini-3.8-flash
- On 11/29/2026, existing configurations will be automatically migrated to the replacement model.
- Gemini models:
Detailed Deprecation Guide
Gemini 2.5 Pro model replacement
On 11/29/2026, Retell replaces Gemini 2.5 Pro (gemini-2.5-pro) with gemini-3.8-flash. Existing configurations will be automatically migrated.