Muse Spark 1.3 vs o3

Meta Muse Spark 1.3OpenAI o3
VendorMetaOpenAI
Context window1,048,576200,000
Max output—100,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, video, filetext, image
Outputtexttext
Released2026-09-022025-04-16