# OpenAI to honor shared robots.txt signal for AI training opt-outs > Source: > Published: 2026-11-01 08:21:49.290410+00:00 Agents & Inference [OpenAI](https://openai.com/index/helping-websites-express-ai-training-preferences) ### OpenAI to honor shared robots.txt signal for AI training opt-outs Which summary reads better? Pick one — models revealed after.Both summaries are AI-generated. Summary A Websites can now opt out of AI training by using a specific robots.txt signal that OpenAI will honor, giving them control over their content's use; this shift enables website operators to prevent their data from being used to train OpenAI's models, potentially reducing unwanted model outputs or data exposure for those shipping applications reliant on these models. Summary B Mistral Large quota or rate limit — check usage and plan. Original headline: Making it easier for websites to express AI training preferences 0 picks