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...
Developer
OpenAI
Release Date
March 5, 2026
Context Window
1,050,000 tokens≈ 1,400 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$2.50per million tokens
Output Cost
$15.00per million tokens
SHARE MODEL:
Vetted Benchmarks
No recorded benchmark scores available for this model.
How does this model compare?
Evaluate benchmark standing and performance rankings vs all other tracked models.