GPT-5.6 Sol vs chatgpt-image-latest

OpenAI GPT-5.6 SolOpenAI chatgpt-image-latest
VendorOpenAIOpenAI
Context window1,050,000—
Max output128,000—
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, imagetext, image
Outputtextimage
Released2026-07-092025-12-16