GPT Image 1.0 vs Muse Spark 1.3

OpenAI GPT Image 1.0Meta Muse Spark 1.3
VendorOpenAIMeta
Context window128,0001,048,576
Max output——
ReasoningNoYes
Tool callingNoYes
File inputYesYes
Inputtext, imagetext, image, video, file
Outputimagetext
Released2025-04-232026-09-02