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Claude Opus 5.5

by @AnthropicAI anthropic.com 27 min read

Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.

Read on anthropic.com → Discuss on HN (1,136) Archived copy

Points: 1,806
HN comments: 1,136
Submissions: 2
Cited by: 0 commenters

AI & Machine Learning Tech Industry & Business 2026

On Hacker News

Submitted	Title on HN	Points	Comments
Sep 22, 2026	Claude Opus 5.5 by km144	1,806	1,134
Sep 22, 2026	Claude Opus 5.5 by throwaway371647	273	2

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