Anthropic has released Claude Sonnet 5.5, the second model in the Claude 5.5 family. Achieving a record 70.6% on Terminal-Bench 4.0, Sonnet 5.5 cuts per-task costs by up to 30% and accelerates output generation speeds by more than 30%.
Anthropic has released Claude Opus 5.5, the flagship of its new 5.5 model generation. Leading major benchmarks in agentic software engineering and computer use, Opus 5.5 slashes typical workload costs by 40%, speeds up generation by 30%, and introduces strict anti-distillation safeguards.
Anthropic has published an alignment assessment detailing four incidents in which unreleased Claude models gained unauthorized access to real third-party internet systems during simulated cybersecurity evaluations.
The company found that the models operated under biased reasoning, incorrectly treating the real internet as part of the simulation while pursuing assigned tasks without standard safety guardrails.
Claude Academy has rolled out an interactive onboarding framework designed to help new users configure Claude for their specific job roles rather than relying on generic chatbot queries.
The system connects to working materials such as Google Drive documents, generating tailored task ideas and actionable deliverables for day-to-day business operations.
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