Agentic Chat (GPT-5.3 Codex)

gpt-codexdeprecated

GitLab Duo · duo-chat-gpt-5-3-codex

Capabilities

Tool CallYes

ReasoningYes

Structured OutputYes

Temperature ControlYes

AttachmentsYes

Open WeightsNo

Input

textimagepdf

Output

text

Input$0.000

Output$0.000

Direct installation coming soon — March 2026

ProviderGitLab Duo

Model IDduo-chat-gpt-5-3-codex

Familygpt-codex

Knowledge Cutoff2025-08-31

Release Date2026-02-05

Last Updated2026-02-05