AI Weekly: Fable 5.2, Muse Ember, and TPU 8i Max
Anthropic shipped Claude Fable 5.2 and cut its price by 20%. Meta launched Muse Ember, a tiny-priced model built to run the cheap steps inside agents, and Thinking Machines released Inkling 2 Small with open weights promised. Google added two new eighth-generation TPUs, while a Corelight study showed how MCP servers quietly drift into running code nobody reviewed. This issue follows the usual…
Anthropic released Claude Fable 5.2 and Claude Mythos 5.2 on November 9, with the new model featuring safety measures that block offensive security work and research-level biology. The model is generally available, while Mythos 5.2 is limited to specific programs and customers. Fable 5.2 is priced at $8 per million input tokens and $40 per million output tokens, a 20% decrease from its predecessor.
It offers a fast mode that is twice as fast at double the cost. Benchmarks show Fable 5.2 outperforming previous versions and competing models, particularly in long-horizon tasks. Anthropic also released Mythos 5.2, which scores higher in vulnerability detection. Meanwhile, Meta unveiled Muse Ember, the smallest and cheapest of their Muse models, priced at $0.10 per million input tokens and $0.50 per million output tokens.
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