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Muse Spark 1.2 Contributor

Meta AI

Muse Spark 1.2 contributor tier is a reasoning model from Meta designed for developers who want to start building at an even lower cost. It’s meaningfully cheaper than Muse Spark...

quality50

Updated 1 h ago · first seen 11 Sept 2026

model_01M294WVQCZ5GRCM13CACD4Y36

Context
1.05M tokens
T2 · 1 h ago
Released
21 Aug 2026
T2 · 1 h ago

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history · Tool calling

1 claims · 1 propertiesShow all properties

Tool callingtool_calling1

Claim history for Tool calling
ValueValid from → toStatusSourceConfidenceExtractor
YescurrentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →