Muse Spark 1.3 Contributor vs gpt-5-search-api

Meta Muse Spark 1.3 ContributorOpenAI gpt-5-search-api
VendorMetaOpenAI
Context window1,048,576128,000
Max output——
ReasoningYesNo
Tool callingYesNo
File inputYesNo
Inputtext, image, video, filetext, image
Outputtexttext
Released—2025-10-14