ChatGPT Search Is Citing Fewer Sites, Data Shows via @sejournal, @MattGSouthern

📰 Search Engine Journal

ChatGPT Search cites fewer websites per response after GPT-5.3 Instant update

intermediate Published 6 Apr 2026

Action Steps

Analyze the impact of GPT-5.3 Instant on ChatGPT Search results
Monitor the number of cited websites per response
Adjust SEO strategies to accommodate the changes

Who Needs to Know This

AI engineers and data scientists can benefit from understanding the impact of model updates on search results, while marketers and SEO specialists need to adapt their strategies to the changing citation landscape

Key Insight

💡 The GPT-5.3 Instant update has reduced the number of websites cited in ChatGPT Search responses