Expired60% confidenceBenchmarkExact time

Due to high token consumption, Sonnet 5.5's per-task cost is nearly on par with Fable 5.1.

2

Sources

60%

Confidence

Short-term (~14 days)

Relevance

9/29/2026

First Seen

This claim has expired. It is kept for the record and no longer describes the current state.

Valid until: 10/13/2026(expired)

Sources

Claude Sonnet 5.5 Released: Ranks #2 on Benchmarks, 30% Faster and 30% Cheaper

Related Entities

Claude Sonnet 5.5model Fable 5.1model

Related Claims

UnverifiedAt standard pricing ($3/$15), Sonnet 5 averages $2.29 per task on the Intelligence Index, while Opus 4.8 costs only $1.99, making Sonnet 5 approximately 15% more expensive than Opus 4.8.75% similar UnverifiedWhen the thinking intensity was set to max, Sonnet 5.5 fell into overthinking, consuming 128,000 tokens (approximately $1.28) and ultimately failing to produce an SVG due to token exhaustion.73% similar UnverifiedThe doubled token consumption of Fable 5 directly translates to doubled costs for API users billed by token67% similar

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