Venice AI
GPT-5.3 Codex
gpt-codex
Model ID openai-gpt-53-codex
Provider Venice AI
Family gpt-codex
Status -
Knowledge Cutoff -
Release Date 2026-02-24
Input Modalities text, image
Output Modalities text
Context Window 400000
Input Limit -
Output Limit 128000
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $2.19
Output Cost / 1M tokens $17.50
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.22
Cache Write Cost / 1M tokens -