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Anthropic's Claude Fable 5 costs twice as much for 5.7 percent more performance

Claude Fable 5 tops the Artificial Analysis Intelligence Index with 64.9 points and sets records in five of ten benchmarks. But the gain over Opus 4.8 is just 5.7 percent at double the token price. Safety filters with fallback routing push costs even higher. The article Anthropic's Claude Fable 5 costs twice as much for 5.7 percent more performance appeared first on The Decoder.

Anthropic's Claude Fable 5 costs twice as much for 5.7 percent more performance
Primary source the-decoder.com ↗

Published June 12, 2026 · Category: AI Briefing

Overview

Claude Fable 5 tops the Artificial Analysis Intelligence Index with 64.9 points and sets records in five of ten benchmarks. But the gain over Opus 4.8 is just 5.7 percent at double the token price. Safety filters with fallback routing push costs even higher.

Details

The article Anthropic's Claude Fable 5 costs twice as much for 5.7 percent more performance appeared first on The Decoder.

Source

Originally published at the-decoder.com.

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