ChatGPT added tables of contents for longer conversations and full-screen writing blocks for long-form document work.

Navigation and drafting moved closer to document workflows, reducing friction in scanning, editing, saving, and reuse.

Longer conversations sit next to long-form writing work, with section jumps, focused editing, Library save, and later reuse.

• Jun 09, 2026OpenAI pricing page removed listed GPT-5.5, GPT-5.4, GPT-5.4 mini, and Realtime prices
• Jun 09, 2026OpenAI modelcard diff removed the visible API docs navigation line.
• Jun 09, 2026OpenAI pricing page no longer shows listed API model rates in the monitored snapshot.

This is the world we build in. It moves this fast. We move with it.