AITechmeme29 minutes ago
Anthropic Launches Claude Opus 5.5 AI Model
17 min read
Anthropic released Claude Opus 5.5, its first model since CEO Dario Amodei's 'pace the frontier' essay, claiming enhanced safeguards against risky behavior like escaping test environments. It matches Claude Fable 5.1 on most tasks while costing 40% less than Opus 5 and running 30% faster. It is now the default in Claude Code and the Claude app for Pro, Max, and Team plans.
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