Comment by surround

GPT-5 knowledge cutoff: Sep 30, 2024 (10 months before release).

Compare that to

Gemini 2.5 Pro knowledge cutoff: Jan 2025 (3 months before release)

Claude Opus 4.1: knowledge cutoff: Mar 2025 (4 months before release)

https://platform.openai.com/docs/models/compare

https://deepmind.google/models/gemini/pro/

https://docs.anthropic.com/en/docs/about-claude/models/overv...