GPT-5.3-Codex

gpt-codex

OpenRouter · openai/gpt-5.3-codex

Capabilities

Tool CallYes

ReasoningYes

Structured OutputYes

Temperature ControlNo

AttachmentsYes

Open WeightsNo

Input

textimagepdf

Output

text

Input$1.75

Output$14.00

Cache Read$0.17

Direct installation coming soon — March 2026

ProviderOpenRouter

Model IDopenai/gpt-5.3-codex

Familygpt-codex

Knowledge Cutoff2025-08-31

Release Date2026-02-24

Last Updated2026-02-24

@openrouter/ai-sdk-provider