Reddit is using LLMs to solve a problem LLMs largely created

Reddit built new anti-spam tools with LLMs, blocking 23M spam views and catching ~25K new spam posts/comments daily. User exposure to spam dropped 20% from Jan–Mar vs the prior quarter. The tools now catch subtler coordinated fake behavior. The article notes AI moderation still needs human review for best results.

Why it matters: Reddit deployed LLM-based anti-spam tools blocking 23M daily impressions, with user spam encounters down 20%. The irony angle and concrete numbers hit all three HKR axes. But this is a platform ops upgrade, not a model or product breakthrough, so it lands at the featured thres...