Reddit rolls out AI-powered moderation tools to new subreddits, plans broader rollout

Reddit is rolling out automated moderation tools powered by large language models (LLMs) to help community moderators manage new subreddits, with plans to expand the system to the rest of the platform later this year. The company calls the suite of tools “Rules Hub,” which allows moderators to define rules and specify automated actions when those rules are triggered. Unlike existing tools such as Automoderator, which rely on exact keyword and pattern matching, Rules Hub uses LLMs to evaluate whether a post or comment matches the intent of a rule, enabling it to handle nuance, natural language, and edge cases while preserving moderator control.

The Rules Hub system has been in testing for several months with new and experienced moderators from over 700 communities, including members of Reddit’s Mod Council Network. Starting now, the tools are being made available to all newly created communities, with a wider rollout planned for later in 2026. Participation in Rules Hub is optional for new communities, according to Reddit spokesperson Rosa Kim. Reddit has indicated that Rules Hub and related systems like Post & Comment Guidance and Safety Filters are intended to eventually replace many of the enforcement workflows currently handled by Automoderator.

Reddit CEO Steve Huffman stated that while Automoderator has been a critical tool for moderators, it is difficult to learn, maintain, and heavily reliant on brittle keyword matching and regex patterns that only a few people on a mod team understand. “We can do better,” Huffman said in a company post. The shift to LLMs for moderation reflects Reddit’s broader effort to improve the accuracy and usability of its moderation tools.

In addition to the moderation updates, Reddit announced changes affecting third-party developers. The company will require new third-party apps to use its developer platform instead of the public API, aiming to create a more controlled ecosystem for automation on the platform. Reddit stated that its public API was not designed to handle the current scale of automated abuse or commercial scraping, and the shift is intended to provide clearer support and enforce policies consistently. Existing apps will continue to operate under public API exemptions, but Reddit plans to restrict new API requests and provide advance notice before requiring a full transition.

Reddit is also taking further steps to limit unauthorized scraping and data misuse, including blocking search engines that do not pay for access to Reddit content and suing companies like Anthropic and Perplexity for alleged scraping violations. The company has previously blocked the Internet Archive and restricted access to old Reddit to logged-in users. While Reddit did not specify the exact changes coming to old Reddit, spokesperson Rosa Kim noted that the company is exploring options such as limiting access, migrating critical workflows, or rebuilding the interface on a modern tech stack.