GPT-5.5

Previous-generation model for coding and professional work with a 1.05M-token context. Positioned as a base for agents: it handles complex goals, uses tools and checks its own work.

Understands

text, images

Produces

text, code

Contents verified with the vendor: 2026-08-18

Included in subscriptions

No catalogue entry marks this model as part of a plan yet. It will appear here once the plan contents are confirmed with the vendor.