gpt-5.4

gpt-5.4

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...

Modalities

Input

textimagepdf

Output

text

Pricing

Cost per 1 million tokens

Input

$3

Output

$18

Model Specs

Context Window

1,050,000

Max Output

128,000

Release Date

2026-03-05

Knowledge Cutoff

2025-08-31

Capabilities

Reasoning

Tool Calling

Vision

Last Updated: 2026-03-05

Provider: