Claude Fable 5: a Mythos-class1 model
Anthropic's most capable model, now available to everyone
Votes
28
Comments
1
What this means
+53%Launching in a 53% WoW growing category.
Productivity had 84 launches this week vs 55 last.
21Founder Conviction Index: 21 — low signal.
Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.
Prediction
Top-5 finish probability
19%
today
Projected end-of-day votes
28range 21–38
Trajectory
stable
Vote pace holding steady.
About
Claude Fable 5 is Anthropic's first Mythos-class model available to the public. Instead of refusing risky queries, it routes them to Opus 4.8 through safety classifiers, triggering in less than 5% of sessions. Stripe used it to migrate 50M lines of Ruby in a day. API: claude-fable-5 at $10/M input, $50/M output. Free on Pro/Max/Team plans through June 22.
AI Summary
Claude Fable 5 is Anthropic's first public Mythos-class AI model, designed to handle risky queries by routing them to Opus 4.8 in under 5% of sessions. It is priced at $10 per million input tokens and $50 per million output tokens, with free access available on Pro/Max/Team plans until June 22.
Vote & comment velocity
Scores
Velocity15.6
Vote pace vs avg
Momentum15.6
Sustained over 6h
Virality10.7
Spread × engagement
Engagement7.1
Comments per vote