Fable 5.1, GLM-5.3 open weights, and three real-time world models headline a packed AI week
thursdai_pod · x · 2026-09-05
ThursdAI's weekly roundup covers a dense release window: Anthropic's Fable 5.1 (the host built a live studio with real-time transcription and an agent producer in 4 hours), Meta's Muse Spark 1.3 matching Fable 5 on Artificial Analysis at 1/5 the price, Google shipping Flash 3.8, Z.ai releasing full GLM-5.3 weights, and three labs shipping real-time world models. OpenAI's Astra got its own dedicated 1h29m Part 2 episode with guests including Wolfram Ravenwolf, Nisten Tahiraj, Yam Peleg and Peter Gostev.
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