! Title: AI Blocklist — Arena
! Description: Known generative-AI websites, apps, and API hosts, maintained by Nullgen. Excludes shared apexes (google.com, microsoft.com) that would break unrelated products.
! Homepage: https://nullgen.ai
! Source: https://github.com/nullgen-inc/ai-blocklist
! License: CC0-1.0
! Last modified: 2026-10-15
! Expires: 1 day
! Entries: 3

||arena.ai^
||lmarena.ai^
||lmsys.org^