OpenAI
GPT-5.3 Chat (latest)
gpt
Model ID gpt-5.3-chat-latest
Provider OpenAI
Family gpt
Status -
Knowledge Cutoff 2025-08-31
Release Date 2026-03-03
Input Modalities text, image
Output Modalities text
Context Window 128000
Input Limit -
Output Limit 16384
Tool Calling Yes
Reasoning No
Structured Output Yes
Temperature Control Yes
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 -