chatgpt-image-latest vs GPT-5

OpenAI chatgpt-image-latestOpenAI GPT-5
VendorOpenAIOpenAI
Context window—400,000
Max output—128,000
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image
Outputimagetext
Released2025-12-162025-08-07