GPT-5.3 Codex

gpt-5-3-codex

Modalities

Input

textimage

Output

text

Pricing

Cost per 1 million tokens

Input

$2.1

Output

$16.8

Model Specs

Context Window

400,000

Max Output

128,000

Release Date

2026-02-15

Knowledge Cutoff

2026-01-31

Capabilities

Reasoning

Tool Calling

Vision

Last Updated: 2026-02-15

Provider: