GPT-5.5 Cyber — Specs, Pricing & Limits

GPT-5.5 Cyber changed category between this site's research passes, and the change is a useful example of why "not published" has to be re-checked rather than inherited. In August its id sat in the pricing page's model list with no price beside it. In October it carries a Standard price row — input, cached input and output — inside the pricing page's Cyber table, hidden behind that table's "All models" expander rather than shown by default.

Its own model page still returns nothing, so every specification — context window, output ceiling, knowledge cutoff, rate limits — remains unpublished, and the table above shows only the price row that exists. No cache-write price appears in that row.

Access is the larger constraint. Cyber models sit inside OpenAI's Daybreak program and need approval before they can be called; GPT-5.6 Cyber is the current Daybreak Red model with a full spec sheet of its own. This entry is not selectable in any calculator here, and it will stay that way for the same reason the other Daybreak models are excluded — a published price is not the same as a model you can run.