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Provider Docs
GPT-5.3 Codex
gpt-codexOpenAI · gpt-5.3-codex
Capabilities
Tool CallYes
ReasoningYes
Structured OutputYes
Temperature ControlYes
AttachmentsYes
Open WeightsNo
Modalities
Input
textimagepdf
Output
text
Pricing (per 1M tokens)
Input$1.75
Output$14.00
Cache Read$0.17
Direct installation coming soon — March 2026
Details
ProviderOpenAI
Model IDgpt-5.3-codex
Familygpt-codex
Knowledge Cutoff2025-08-31
Release Date2026-02-05
Last Updated2026-02-05