The Hidden Algorithm Wars: How Competing AI Systems Interpret Brand Authority Differently

The Hidden Algorithm Wars: How Competing AI Systems Interpret Brand Authority Differently Here’s the uncomfortable truth: AI platforms don’t agree on who you are, what you do, or whether your brand even matters. I’ve been digging into this problem for years now, and it still baffles me how few businesses realise the stakes. A mate of mine runs an agency and he called last week saying, “Alex, we’re running campaigns for a brand and ChatGPT recommends them in every prompt. But on Google’s AI? Nothing. It’s like they don’t exist.” That’s not a one-off. Across our dataset at Contxt, 2,881 prompts tested across 31 brands, we’re seeing cross-provider divergence in recommendations 39% of the time. Think about that for a second. Your brand’s AI algorithm brand authority might be strong on one system and invisible on another. How are you supposed to build trust or drive conversions if half the audience using AI assistants can’t find you? And the kicker? This isn’t because of user error or bad prompts. The problem lies in how competing AI systems interpret authority. It’s messy, inconsistent, and, frankly, a bit of a minefield. Why brand visibility differs: the mechanics behind the chaos Let’s start with the basics. AI’s ability to recognise and recommend a brand comes down to algorithm design, training data, and the contextual relevance metrics built into the model. Sounds straightforward, right? But here’s the thing, each AI provider weights those factors differently, creating wildly different results. Take ChatGPT and Google AI Overview as examples. Our testing showed ChatGPT had a brand mention rate of 75.4%, while Google AI languished at 45.5%. Same prompts, same brands. Why the gap? Because ChatGPT prioritises conversational consistency and user satisfaction in its rankings, while Google AI leans heavily on indexed search data and its own knowledge graph. Related reading: this piece about from algorithms to agents: why geo requires a psychology-... . Related reading: th