Muse Spark 1.2 vs gpt-5-search-api

Meta Muse Spark 1.2OpenAI gpt-5-search-api
VendorMetaOpenAI
Context window1,048,576128,000
Max output——
ReasoningYesNo
Tool callingYesNo
File inputYesNo
Inputtext, image, video, file, audiotext, image
Outputtexttext
Released2026-08-052025-10-14