Claude Fable 5: a Mythos-class1 model
Anthropic's most capable model, now available to everyone
Votes
21
Comments
1
What this means
20%Vote pace is below typical for AI Agents.
Running at 20% of comparable launches.
16Founder Conviction Index: 16 — low signal.
Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.
Prediction
Top-5 finish probability
4%
today
Projected end-of-day votes
21range 16–28
Trajectory
stable
Not enough snapshots yet to detect trajectory.
Speed vs peers
0.2×
9 AI Agents launches
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
Velocity0.0
Vote pace vs avg
Momentum0.0
Sustained over 6h
Virality0.0
Spread × engagement
Engagement9.5
Comments per vote