OpenAI modelcard diff shows API docs navigation content removed.

Affected content is documentation navigation, not a model behavior line.

The removed text is navigation and docs index content, including GPT-5.5 and tool sections.

• Jul 27, 2026Frontier vendors expanded runtime surfaces while removing public plan and model-routing signals.
• Jul 26, 2026OpenAI updated GPT-5.5 Instant to improve conversational quality in decision, advice, planning, research, and shopping tasks.
• Jul 25, 2026Enterprise and Edu users can find skills under Plugins, on the Skills tab in the Plugin Directory.

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