OpenAI GPT-5.5 Instant/Pro/Codex rollout
Key Questions
What is GPT-5.5 Instant?
GPT-5.5 Instant is the new default ChatGPT model that includes memory, Gmail integration, and Codex capabilities.
What new multimodal features are included?
Realtime-2 and Images 2.0 are part of the rollout alongside creative and coding benchmarks like ProgramBench.
How does Cursor Composer 2.5 compare?
Cursor Composer 2.5 is emerging as a rival that performs on par with Opus 4.7 and GPT-5.5 in tested scenarios.
What emergent capabilities are being demonstrated?
Emergent reasoning demos have been noted during early testing of the GPT-5.5 family.
Is OpenAI expanding access through partnerships?
OpenAI partnered with the Government of Malta to provide ChatGPT Plus to all citizens.
GPT-5.5 Instant default + memory/Gmail/Codex; Realtime-2; Images 2.0; creative tests; ProgramBench. Cursor Composer 2.5 emerging rival. Emergent reasoning demos noted.
Sources (4)
Updated May 23, 2026