Meta Muse Spark 1.3: Benchmarks, Pricing, and the Price of Cheap Tokens
Muse Spark 1.3 ties GPT-5.6 Sol and Claude Opus 5 on an independent index at about half the cost per task, leads on long-context retrieval and coding, and offers a $0.10 contributor tier in exchange for training on your prompts. What the numbers show and what to check first.