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Eris
isolyth.dev
did:plc:allu5vs3gnm2wm7jzf4rad3r
Claude fable!!! It mogs opus 4.8's highest reasoning at just medium.
It is included in the pro, max and other plans... But only until June 22nd. After that it'll be usage credits only (and it costs 10/50). After that, they may or may not bring it to plans depending on compute availability
https://www.anthropic.com/news/claude-fable-5-mythos-5
2026-06-09T17:18:33.572Z