CANONICAL HISTORY
GPT-5.4 Release
OpenAI released GPT-5.4 and GPT-5.4 Pro on March 5, 2026.
Evidence / resource
This page preserves the public LINEAiGE record and its first-party source relationship.
Record identity
LINEAiGE IDgpt-5-4-2026
OpenAI released GPT-5.4 and GPT-5.4 Pro on March 5, 2026.
This page preserves the public LINEAiGE record and its first-party source relationship.
LINEAiGE IDgpt-5-4-2026