Gemini 3.1 Pro Preview vs Muse Spark 1.3

Google Gemini 3.1 Pro PreviewMeta Muse Spark 1.3
VendorGoogleMeta
Context window1,048,5761,048,576
Max output65,536—
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, image, video, audio, filetext, image, video, file
Outputtexttext
Released2026-02-192026-09-02