ChatGPT Enterprise and Education now convert long pastes over 10k characters into attachments.

Large pasted context stops filling the composer and consuming the entire context window by default.

Builders can keep bulky source text attached, then move it back into the message when needed.

• Aug 11, 2026ChatGPT can now show restaurant reservation times from OpenTable, Resy, and Yelp.
• Aug 11, 2026Claude Opus 5 launched with 1M context, 128k max output, and thinking on by default.
• Aug 11, 2026Anthropic removed modelcard text covering Claude Fable 5 and Claude Mythos 5.

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