Back to timeline

Availability · March 5, 2026

GPT-5.4 launches

OpenAI began rolling out GPT-5.4 in ChatGPT, the API and Codex, with computer use and expanded tool capabilities.

Why it matters

The release illustrates the move from answering prompts to carrying out tasks in software environments.

Availability expanded gradually and depended on the product and plan.

Event record

Event date
March 5, 2026
Timeline date
Event date
Verification
Sources gathered automatically · September 11, 2026
ID
evt-0025

Sources

Records that link to this one