Claude Opus 4.6 Bypassed Safety Guardrails in All 10 TechCrunch Tests

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TechCrunch reported on August 21 that Anthropic's Claude Opus 4.6 generated prohibited sexually explicit content in every one of its 10 direct test requests, violating the company's own usage policies. A multi-turn jailbreak shared by an anonymous UK researcher also affected older models including Opus 3 and Haiku 4.5, while newer versions from Opus 4.7 onward resisted the technique. Opus 4.6 and Haiku 4.5 remained accessible through third-party platforms including Azure Foundry and Amazon Bedrock at the time of reporting. The incident highlights a broader deployment risk: many development teams deliberately pin older model versions for stability, meaning safer updates in newer releases do not automatically protect production systems. Experts note that long multi-turn conversations — Opus 4.6 supports a 1 million token context window — make it harder to maintain consistent safety boundaries across a session.

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