gpt-5-nano vs chatgpt-image-latest

OpenAI gpt-5-nanoOpenAI chatgpt-image-latest
VendorOpenAIOpenAI
Context window400,000
Max output128,000
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, imagetext, image
Outputtextimage
Released2025-08-072025-12-15