Model
GPT-5.4
OpenAI flagship model for agentic work, coding, vision, and complex professional reasoning at scale.
Closed sourcereasoningGPT-5.4generally availableReleased 2026-03-051.05M context128K max outputKnowledge cutoff 2025-08-31OpenAIOfficial page
Model metadata
Modalities: text, imageInput: $2.50/MTokOutput: $15.00/MTokAPI ID: gpt-5.4