Meta Muse Spark 1.3 (Max) Matches Top Models on Vals Index at 4-8x Lower Cost

Key Info

Vals AI reports that Meta Muse Spark 1.3 (Max) now matches the performance of Fable 5 and GPT 5.6 Sol on the Vals Index, while being 4x–8x cheaper.

Highlights

• Muse Spark 1.3 (Max) achieves performance parity with two leading models on the Vals Index.
• The claimed cost advantage makes it 4x–8x more affordable than comparable models.
• The report comes from Vals AI, which maintains the Index used for the comparison.