Content ModerationVerified
Reviewed and published by trentmaziarz, April 22, 2026. Discovered and drafted by our automated research pipeline.
Riot Games deployed an automated text evaluation system across League of Legends, VALORANT, and Wild Rift in November 2022 that uses machine learning models to assess player-reported chat messages and apply penalties such as mutes and bans for harmful, offensive, or inappropriate content.
Details
The system uses multiple machine learning models to classify in-game chat text, including party chat, and can detect less obvious bullying and harmful behavior beyond simple keyword matching. Riot stated it expected more than 20 times the volume of penalties compared to prior processes as a result of this system. The system assesses player behavior reports automatically and applies penalties without waiting for human review of each individual case.
Products affected
League of LegendsVALORANTLeague of Legends: Wild Rift
Sources & Evidence
Cite this record
Trace Foundation. (2026). Riot Games: Riot Games deployed an automated text evaluation system across League of Legends, VALORANT, and Wild Rift in November 2022 that uses machine learning models to assess player-reported chat messages and apply penalties such as mutes and bans for harmful, offensive, or inappropriate content (data as of 2026-04-22) [Data set record]. AI Trace. https://www.aitrace.org/r/practice/347db604-2c02-4c9f-a9f0-deaaaff7a70e. Accessed September 11, 2026.
- Stable link
- https://www.aitrace.org/r/practice/347db604-2c02-4c9f-a9f0-deaaaff7a70e
- Data as of
- April 22, 2026
- Last verified
- April 22, 2026
Other practices by Riot Games
Data AnalysisRiot Games uses deep reinforcement learning to help game designers analyze and test game balance in Legends of Runeterra before content is released to players, giving designers a tool to predict whether new cards or mechanics will be overpowered or underpowered.Customer SvcRiot Games deployed Blitzcrank Bot, an automated ticket-handling system for its Player Support operation, which classifies incoming support tickets and provides automated responses — particularly for account recovery requests — allowing players to opt out and request a human agent.ProductivityRiot Games announced it is researching the application of generative AI to augment game development pipelines and player experiences, with a dedicated Technology Research team that prototypes tools using large language models and content generation models for use by game teams.
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