CANONICAL HISTORY
GPT-5.5 Release
OpenAI released GPT-5.5 on April 23, 2026.
Evidence / resource
This page preserves the public LINEAiGE record and its first-party source relationship.
Record identity
LINEAiGE IDgpt-5-5-2026
OpenAI released GPT-5.5 on April 23, 2026.
This page preserves the public LINEAiGE record and its first-party source relationship.
LINEAiGE IDgpt-5-5-2026