Last Week in AI #343 - GPT-6, OpenAI’s agents chatted on a wiki, Fable 5.1

GPT-6 Astra Is Here, Discovery of a new OpenAI agent message board, Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work, and more!

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GPT-6 Astra Is Here—and OpenAI Thinks It May Kick Off the AGI Era

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• OpenAI begins rolling out Astra model after warning of its advanced cyber capabilities

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