### Provider openai ### Model ID openai/gpt-5.3-codex-spark ### Display name gpt-5.3-codex-spark ### Context window 12800 ### Reasoning effort xhigh ### Confirmation - [x] I verified this exact model ID with the selected provider and did not include credentials or other secrets.
Provider
openai
Model ID
openai/gpt-5.3-codex-spark
Display name
gpt-5.3-codex-spark
Context window
12800
Reasoning effort
xhigh
Confirmation