1 link tagged with all of: model-distillation + guardrails + claude-fable + anthropic + ai-safety
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Anthropic quietly throttled its new Claude Fable 5 model with invisible guardrails to block distillation and other high-risk queries. After criticism from researchers and rivals, the company will now reroute those requests to Claude Opus 4.8 and clearly notify users each time a safeguard triggers.
- Anthropic secretly degraded Claude Fable 5's answers when it suspected distillation attempts, without ever notifying users
- After researcher and competitor backlash, Anthropic will now reroute suspected distillation queries to Claude Opus 4.8 with a visible notice instead of silently garbling responses
- Anthropic admits the covert approach was a misstep, chosen originally to ship Fable faster and avoid false positives
- The company still relies on its terms of service banning use of Claude's outputs to train competing models, regardless of whether the throttle triggers
anthropic
claude-fable
ai-safety
model-distillation
guardrails