GPT-5.4

GPT-5.4 is a large language model released by OpenAI on March 5, 2026. Positioned as a "frontier model" for professional workflows, it succeeded the GPT-5.2 and 5.3 series. OpenAI... Wikipedia

• Developer(s):  OpenAI
• Initial release:  March 05, 2026
• License:  Proprietary
• Data source:  DuckDuckGo