Artificial / Intelligence · 7 min
The Aura Signal: Four Frontier Models Move Deeper Into Work | August 29–September 4, 2026
GPT-6 Astra, Claude Fable 5.1 and Mythos 5.1, Gemini 3.8 Flash, and Muse Spark 1.3 changed the model market this week. Here is what operators should evaluate before expanding autonomy.
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