PromptSignal

Monitor your brand’s LLM visibility, and how to improve it

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About

PromptSignal monitors how a brand appears in the answers of leading AI assistants. It regularly runs relevant prompts across major models, and measures whether the brand is mentioned, where it ranks against competitors, the sentiment of how it is described, and its overall visibility.

It also shows which sources the models cite when they mention the category, and delivers weekly recommendations on what to change to improve presence.

It is aimed at marketing and SEO teams who recognise that AI answers are becoming a primary discovery channel and want structured tracking and guidance for it, in the same way they measure and work on search rankings.

AI-assisted draft, human-reviewed before publishing — see how we choose & review tools.

Why we picked it

PromptSignal made the cut for showing which sources the models actually cite for a category — knowing which pages an assistant draws from when it mentions your competitors is worth naming as actionable, since it tells you exactly what to go influence, not just what's being said.