GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
Rank
#45
Up 11% week over week
Tokens
175.7B
2026-08-14
Requests
8.8M
8,835,173
Tool calls
-
Input / M
$2.50
Output / M
$15
Cache / M
$0.25
Context
1.1M
1,050,000 tokens