Anthropic's Opus 5.5 and Sonnet 5.5 Have Officially Arrived
Last_Conclusion_8984 · reddit · 2026-10-03
Anthropic's new Opus 5.5 and Sonnet 5.5 models are now live, marking a generational update to the Claude lineup with both flagship and mid-tier tiers refreshed at the same time. The community is already digging into capabilities and pricing; official benchmark details are still forthcoming.
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