AITechmemeabout 1 hour ago
Anthropic Launches Claude Opus 5.5
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. It performs at Claude Fable 5.1 level for most tasks and costs 40% less to run than Opus 5. It is now the default model in Claude Code and the Claude app for Pro, Max, and Team plans.
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