GPT 5.5 Pro

Every figure OnlySOTA holds for this model, one source at a time. Nothing on this page is averaged across sources.

Identity

Developer

OpenAI

Family

GPT → GPT 5.5

Weights

closed

Released

2026-04-23

Sources

1 sources · 1 entries · 1 configs

Published upstream as

GPT-5.5 Progpt-5-5-proGPT 5.5 Pro

Where it places

Effort ladder

No source publishes more than one run configuration for this model.