Meta · Language model

Muse Spark 1.3

Meta's Muse Spark line is one of the most-voted families on LMArena. Version 1.3 keeps the 1.2 price and also comes with a heavily discounted 'Contributor' tier.

#6Power Rankings#4Best Value
MakerMeta
ReleasedSeptember 2, 2026
API price (per 1M tokens)$1.25 in / $4.25 out
Open weightsNo

Best for

  • Conversational quality
  • Creative writing
  • Budget-conscious builders

Strengths

  • Muse Spark 1.3 Max scores 1493 on LMArena text
  • Contributor tier at $0.10 / $0.20

Watch out for

  • The Contributor tier's discount comes with data-sharing terms, so read them first

Ranking history

EditionPower RankingsCodingBest ValueOpen-Weight WatchImage GenerationVideo Generation
Week 39, 2026#6 (89)—#4 (88)———

Head-to-head