Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
Provider: Anthropic • ID: claude-fable-5
Detailed evaluation metrics and judge breakdown for Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) across all 4 launch categories.
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Pricing: In $10.00 per 1M tokens • Out $50.00 per 1M tokens
Composite Verdict Score/100
59.9
0
.0
Category Score Breakdown
Frontend UI61.1
Interactive dashboards and landing pages
Game Dev58.7
Canvas 2D physics and browser games
SVG Art60.5
Vector graphics and generative math art
Agentic Tasks58.1
Multi-step execution planning
Auditable Multi-Judge Dimension Scoring
Grades evaluated across 3 independent judge models using published rubrics.
Functionality— Executes without runtime JS exceptions
61.7
Craft— Clean semantic markup and clean TypeScript
60.5
Design— Visual aesthetics, contrast, layout harmony
59.3
Creativity— Original micro-interactions and layout depth
58.1
Fidelity— Strict adherence to complex prompt constraints
58.7