AI Models
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OpenAI
Released March 2026
GPT-5.4
1M context, coding, document understanding, tool use
Reasoning
Tool Use
Vision
About this model
GPT-5.4 unifies the Codex and GPT lines into a single system featuring a 1M+ token context window. The model excels at coding, document understanding, tool use, and instruction following, with capabilities for generating production-quality code and executing complex multi-step workflows. It supports configurable reasoning effort levels and native web search.
Context Window
1M
Input Cost
$2.50/M
Output Cost
$15/M
Input Types
Text, Image, File