chatgpt-image-latest vs gpt-5-pro

OpenAI chatgpt-image-latestOpenAI gpt-5-pro
VendorOpenAIOpenAI
Context window—400,000
Max output—272,000
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image
Outputimagetext
Released2025-12-162025-08-07