https://www.latent.space/p/ainews-muse-spark-13-matches-gptLatent.Spaceen2026-09-03T04:38:33+00:00[AINews] Muse Spark 1.3 matches GPT-5.6-Sol, confirming Meta Superintelligence as the newest Frontier Lab, >90% discount for traininghttps://www.latent.space/p/ainews-claude-fablemythos-51-newLatent.Spaceen2026-09-02T07:46:08+00:00[AINews] Claude Fable/Mythos 5.1: new SOTA model, 75% cache price cut but 70% more output tokens