Gemini 3
Google retakes the lead on the benchmarks, and the frontier changes hands twice in a month.
- When
- Known to
- ± 12 hours
- Era
- Contemporary, Holocene
Released 18 November 2025, Gemini 3 topped most public evaluations and prompted OpenAI to declare an internal emergency and ship GPT-5.2 in December. The rapid exchange of the lead between two firms, with Anthropic's Claude close behind, marked the point at which no single laboratory held a durable advantage.