Muse Spark Open (Max) on the Code Arena: WebDev leaderboard

Arena says Muse Spark Open (Max) leads US open models in Code Arena: WebDev with 1,511 points and ranks 13th among open models overall. It calls the Meta model the first open-weight release in the Muse Spark family and says it scored 156 points above Muse Glimmer, Meta's earlier open model. Arena lists pricing at $1.25 per million input tokens and $4.25 per million output tokens, 79% less than Muse Wonder (Max) and on par with Muse Spark 1.3 (Max).