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The Decoder

How China's gray market sells Claude tokens at a fraction of the price

Anthropic's strict access controls against China, from geoblocking to selfie verification, are being systematically bypassed through a thriving network of so-called "transfer stations." Chinese developers can buy Claude tokens for as little as ten percent of the list price. Analyst…

MarkTechPost

The Developer’s Guide to NeMo Guardrails for Enterprise AI Safety

In this tutorial, we explore how to design production-grade safety for LLM-based applications using the NeMo Guardrails framework. We move beyond simple prompt filtering to implement a layered architecture, featuring deterministic PII redaction, retrieval filtering, output masking, and policy-based tool…

The Decoder

Psychological methods reveal major weaknesses in AI security testing

Researchers at the UK AI Security Institute used psychometric methods to show that popular safety benchmarks for language models don't measure one consistent trait. Blanket blocking of requests can artificially inflate a safety score even as the model gets less…