Muse Spark 1.1 vs gpt-4.1-nano

Meta Muse Spark 1.1OpenAI gpt-4.1-nano
VendorMetaOpenAI
Context window1,048,5761,047,576
Max output—32,768
ReasoningYesNo
Tool callingYesYes
File inputYesYes
Inputtext, image, video, file, audiotext, image
Outputtexttext
Released2026-07-092025-04-14