TLDR Tech / Marketing
56% of GPT-5.4's Citations Go to Brand Websites. Only 8% of GPT-5.3's Do
OpenAI's GPT-5.4 model in ChatGPT cites brand websites far more often than its GPT-5.3 model. Brand sites receive 56% of GPT-5.4 citations but only 8% of GPT-5.3 citations. GPT-5.4 sends an average of 8.5 fan-out queries per prompt, while GPT-5.3 sends only 1 query. GPT-5.4 also cites commercial pages far more often, citing pricing pages 138 times across 50 prompts, compared to GPT-5.3 which cited them only 4 times. The models rarely cite the same sources.
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