Muse Spark 1.3 vs gpt-5-mini

Meta Muse Spark 1.3OpenAI gpt-5-mini
VendorMetaOpenAI
Context window1,048,576400,000
Max output—128,000
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, video, filetext, image
Outputtexttext
Released2026-09-022025-08-07