# OpenAI publicly released GPT-4 on March 14, 2023. > Source: > Published: 2026-09-07 11:25:00+00:00 ## The Short Version Reliable primary documentation and independent news reporting confirm that OpenAI released GPT-4 in March 2023. Most sources identify March 14 as the announcement and initial rollout date; reporting dated March 15 reflects publication timing or the continuing rollout, not a substantive contradiction.