Stephen Downes

Knowledge, Learning, Community

How good is the newest Claude model (known to the world as Mythos, but named Fable for some reason)? "In experiment after experiment I conducted, it outperformed basically every other public model I have used by a considerable margin. It was capable across many problems and produced some startling results — it would work up to a dozen hours executing on multi-page specifications." When (and if) it becomes available to me I'll follow up with my own assessment.

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Stephen Downes Stephen Downes, Casselman, Canada
stephen@downes.ca

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Last Updated: Jun 09, 2026 4:38 p.m.

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