Braintrust
"If you think that your customers are using AI search or AI tools like ChatGPT, Claude, or Claude Code, you should be investing there. If you don't do it right now, you'll fall behind everyone."




Semrush is a well-established SEO platform with a broad feature set that added AI visibility tracking to its existing suite.
Gauge was built specifically around AI search, with a closed-loop engine that goes from finding your visibility gaps to writing the content to publishing it to your CMS.
If you need a comprehensive SEO toolset, Semrush covers a lot of ground. If AI search is the priority, Gauge was purpose-built for that job.
For AI visibility specifically, yes.
Semrush’s AI Visibility Toolkit starts at $99/month for just 25 custom prompts, and adding more prompts costs an extra $60/month per 50 prompts.
Gauge charges $600 for 600 prompts, which is $1 per prompt.
At Semrush’s add-on rate, 600 prompts would cost significantly more, and that’s before factoring in the base Semrush subscription required to access the toolkit at all.
Semrush is a comprehensive digital marketing suite with a decade of search infrastructure behind it, covering SEO, content, advertising, and social in one platform.
Gauge is purpose-built for AI answer visibility, tracking brand mentions and citations across AI platforms and turning that data into content that improves performance.
The two tools work well together: Gauge’s Ask Gauge agent can pull in Semrush data alongside GA4, GSC, and GEO data for unified analysis across all search channels.
Teams serious about AI search performance will get the most value running Gauge alongside Semrush rather than choosing between them.
Semrush is a comprehensive marketing suite with strong SEO, advertising, and content tools built on a decade of search data.
For teams already using Semrush, Gauge is a natural complement rather than a replacement.
Ask Gauge can pull Semrush data directly into its agent alongside GA4, GSC, and AI visibility metrics, giving teams a unified view across all their search and ad channels.
Where Semrush excels at traditional search intelligence, Gauge adds the AI answer layer and connects it back to the broader marketing stack so teams can build a strategy that covers both.
Semrush is a powerful all-in-one suite, and its breadth is one of its biggest strengths. That same breadth means there is a meaningful learning curve, particularly for teams focused on a specific use case like AI visibility.
Gauge is more focused by design: the Ask Gauge agent connects all relevant data sources and guides teams through analysis and execution in a conversational interface.
Teams that want to get up and running on AI search strategy quickly, without navigating a large feature set, will find Gauge the more accessible starting point.
Gauge is not a replacement for Ahrefs or Semrush.
It measures something those tools cannot: whether AI platforms are mentioning and citing a brand in their generated answers.
A brand can rank #1 on Google and still be completely invisible in AI search.
Gauge fills that gap, and the Ask Gauge agent integrates GSC, GA4, and Semrush data alongside AI visibility data for unified analysis across all search channels.