Unverified60% confidenceFactExact time

Claude Sonnet 5.5 is less expensive than Opus 5.5 in terms of pricing.

2

Sources

60%

Confidence

Medium-term (~90 days)

Relevance

9/28/2026

First Seen

Valid until: 12/27/2026

Sources

Claude Sonnet 5.5 Coming Soon: Near Opus-Level Performance, OpenAI Teases Mysterious Agent "O"

Related Entities

Claude Sonnet 5.5model Opus 5.5model

Related Claims

UnverifiedThe Claude Sonnet series is positioned as a balance between performance and cost, with prices several times lower than the Opus series.71% similar UnverifiedThe two core selling points of Opus 5.5 are lower pricing and Fable-level performance.67% similar

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