Claude Fable 5 vs Claude Opus 4.8
Side-by-side comparison of 2 tools. Click a tool name to view the full review.
Category
AI Models
AI Models
Description
Anthropic's first generally available Mythos-class model, released June 9, 2026. 1M context, 128K max output, $10/$50 per million tokens. Built for long-horizon agentic work.
Anthropic's recommended default for complex work, released May 28, 2026. 1M context, 128K output, $5/$25 per million tokens. Defaults to high effort on all surfaces.
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