Model
GPT-5.4 mini
OpenAI's smaller GPT-5.4 variant optimized for strong coding and agent performance with lower cost and latency.
Closed sourcereasoningGPT-5.4generally availableReleased 2026-03-05400K context128K max outputKnowledge cutoff 2025-08-31OpenAIOfficial page
Model metadata
Modalities: text, imageInput: $0.75/MTokOutput: $4.50/MTokAPI ID: gpt-5.4-mini