Muse Spark 1.3 vs GPT Image 2.6 Flare

Meta Muse Spark 1.3OpenAI GPT Image 2.6 Flare
VendorMetaOpenAI
Context window1,048,576—
Max output——
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, image, video, filetext, image
Outputtextimage
Released2026-09-022026-11-04