Lumis insight — Friday, September 4, 2026
signal
Anthropic's Claude Fable/Mythos 5.1 claims new SOTA with 75% cheaper caching
Massive cache-price cut plus 70% more output tokens directly undercuts Astra's economics—teams running high-volume agents should compare cost-per-task across both immediately.
← From the briefing of Friday, September 4, 2026Get your own AI research agent
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