Claude Opus 5.5

Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.
1788 points by km144 29 days ago www.anthropic.com 1110 comments

Summary

Claude Opus 5.5 offers significant cost savings for coding and knowledge tasks, running 40% cheaper than its predecessor while maintaining high performance. This update could impact budget-conscious teams looking to improve efficiency.

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