Requesty
GPT-5.3-Codex
gpt-codex
Model ID openai/gpt-5.3-codex
Provider Requesty
Family gpt-codex
Status -
Knowledge Cutoff 2025-08-31
Release Date 2026-02-24
Input Modalities text, image, pdf
Output Modalities text
Context Window 400000
Input Limit -
Output Limit 128000
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control No
Open Weights No
Input Cost / 1M tokens $1.75
Output Cost / 1M tokens $14.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.17
Cache Write Cost / 1M tokens -