Anthropic launches Claude Opus 5.5 with lower cost and better token efficiency

Anthropic 发布 Claude Opus 5.5，通信能力更强且按 token 定价更低

Anthropic released Opus 5.5, the first model in the Claude 5.5 family. The company says it matches Claude Fable 5.1 on most tasks, costs 40% less to run than Opus 5, and has lower per-token pricing with more efficient token usage. It supports all effort levels and is already available in Claude Code. The post doesn't disclose exact pricing or benchmark comparisons.

Why it matters: Anthropic's flagship model refresh with 40% cost reduction matching Fable 5.1 is a direct win for Claude ecosystem users. Score held back because the post doesn't disclose actual pricing or benchmark numbers — real savings need real tests.