AI Models
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OpenAI
Released March 2026
GPT-5.4
Strong reasoning, file input, agentic workflows
Reasoning
Tool Use
Vision
About this model
GPT-5.4 is OpenAI's balanced reasoning model offering strong performance for everyday agentic workflows. With native file input support, large context window, and 128K output, it's well-suited for document analysis, code review, and multi-step reasoning tasks where the flagship cost isn't justified.
Context Window
1M
Input Cost
$2.50/M
Output Cost
$15/M
Input Types
Text, Image, File