Gemini 19 Dec 2025 gemini_api

December 19, 2025

- Introduced a breaking change to the Interactions API public preview in v1beta. The `total_reasoning_tokens` field has been renamed to `total_thought_tokens` to better align with the concept of "thoughts" in thinking models.

Brand Impact

Google's Gemini AI platform has slightly modified its technical language around how AI models process reasoning steps. This change might subtly influence how complex reasoning tasks are tracked and potentially alter the depth and transparency of AI-generated recommendations across different brand and product interactions.

Original source ↗ Crawled: 6 Feb 2026 22:16