Being available to AI is not the same as being trusted by it. Availability gets you onto the AI Shelf. You are part of the full set of brands a machine can find and frame. Trust is what gets you onto the shortlist. The handful it actually recommends when someone needs a trusted source on their path to purchase. ARA measures both halves of that funnel: whether machines can reach you, and whether they trust what they find enough to put you forward.
In that world the strategic question isn't whether AI can find your brand. It's whether you make the shortlist once it does — built from the category meaning you intended, not the category default that gets compressed into the gap. ARA measures exactly where that gap opens: on the shelf, or on the shortlist.
Five dimensions, scored 0–20 each across the four frontier models Claude, GPT, Gemini, and Perplexity. We use a live agent‑readiness scan against your owned web infrastructure for help with the plumbing. Real responses, real prompts, real evidence per cell.
| Code | Dimension | Max Score | What It Measures | Key Signals |
|---|---|---|---|---|
| A1 · STR | Structural Readiness | /20 | Whether AI can retrieve you at all. The structural floor: official sources, machine-parseable data, schema markup, and the agent-readiness infrastructure (robots.txt, llms.txt, MCP, A2A) that determines whether AI systems can read and act on your brand at all. |
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| A2 · SEM | Semantic Clarity | /20 | Whether AI tells your story — or someone else's. The semantic question: does AI describe your brand in your own vocabulary and positioning, or does it default to category-generic language, competitor framing, or owner persona? |
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| A3 · EMO | Emotional Residue | /20 | Whether AI carries your cultural narrative, or a competitor's. Brands with rich communities, partner ecosystems, and earned cultural moments have been continuously training AI on their own behalf — without ever intending to. A3 measures how much of that signal landed. |
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| A4 · VOI | Brand Voice | /20 | Whether your voice survives when the screen disappears. Voice assistants, chat agents, and agentic commerce strip away every visual asset. A4 measures how recognisable, distinct, and attributable your brand remains in pure language — and whether AI can speak it back without losing the register. |
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| A5 · REC | Recommendation | /20 | Whether AI chooses you in the moments that matter. Reciprocal-rank scoring across category-level demand queries (no brand mentioned in the prompt) on four frontier models. The single best evidence of whether your frame is winning. |
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ARA Index scores reflect what AI is choosing about your brand at a specific point in time. Training data evolves continuously — brands that deposit a clear frame and rich interaction signal compound their score, while brands without it get compressed into the category default a little further with every cycle. The window to act is now, before the next training cycle locks in the current state.
The ARA Index is a proprietary methodology developed by araco.ai. Scoring combines structural analysis, semantic evaluation, reciprocal-rank synthetic query testing across four frontier models, emotional-residue assessment, voice-survival analysis, and a live agent-readiness scan. All brand assessments are confidential and intended for the commissioning client only.