> ## Documentation Index
> Fetch the complete documentation index at: https://decageo.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# DecaGEO — Open Rankings for AI Search Brand Visibility

> DecaGEO publishes open category rankings for brand visibility in AI search and provides actionable insights to improve those rankings. Try free.

# DecaGEO

If you knew which brands AI recommends in your category, you could get yours in.

DecaGEO is a GEO solution that publishes open category rankings for brand visibility in AI search and provides practitioner-first insights to improve those rankings.

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## What DecaGEO does

<CardGroup cols={2}>
  <Card title="Open Rankings" icon="chart-bar" href="https://www.decageo.ai/">
    Private dashboards only show your brand. Open Rankings show the entire category — so you manage your AI visibility against the full competitive landscape, not just the competitors you already know.
  </Card>

  <Card title="Brand Insights" icon="lightbulb" href="https://www.decageo.ai/">
    There's no proven GEO playbook yet. Brand Insights gives you benchmark data across your category so you can spot what's actually working and find your next move — without guessing.
  </Card>
</CardGroup>

## DECA Score

DECA Score measures how often and how strongly ChatGPT recommends a specific brand, on a 0–100 scale.

<CardGroup cols={3}>
  <Card title="Mention Rate" icon="speaker">
    How frequently a brand appears in AI-generated answers.
  </Card>

  <Card title="Rank" icon="trophy">
    Where a brand stands relative to competitors in AI recommendations.
  </Card>

  <Card title="Score" icon="gauge">
    A single composite metric combining frequency and position.
  </Card>
</CardGroup>

Want the full methodology? → [How DECA Score works](https://www.decageo.ai/methodology)

***

## FAQ

<AccordionGroup>
  <Accordion title="What is DecaGEO?">
    DecaGEO is a GEO solution that publishes open category rankings for brand visibility in AI search and provides practitioner-first insights to improve those rankings. Open Rankings are free. Brand Insights start at \$49/mo.
  </Accordion>

  <Accordion title="What is GEO?">
    GEO (Generative Engine Optimization) is the practice of optimizing your brand to be recommended in AI-generated answers. If SEO gets you ranked in search results, GEO gets you into AI answers.
  </Accordion>

  <Accordion title="How are Open Rankings measured?">
    We run identical prompts weekly on ChatGPT (GPT-5.4, US region), then quantify brand recommendation frequency and position into a single DECA Score (0–100). Coverage currently reflects ChatGPT; Perplexity, Gemini, and Claude are on the roadmap.
  </Accordion>

  <Accordion title="My brand doesn't show up in AI answers. What do I do?">
    Start by checking your category in Open Rankings to see where you stand. Then apply the tactics in the GEO Playbook. Brand Insights can pinpoint exactly why you're missing and what action to take.
  </Accordion>
</AccordionGroup>