# Review depth: count, recency, distribution

> Rating is a reported selection lever, so complete review data (a truthful count, recent reviews, and a full star distribution shown on the PDP) gives a rating-sensitive agent more credible depth to weigh than a bare average.

<!-- Canonical: https://agentmint.net/signals/review-depth/ · Signal in the AgentMint.net Signals Database · Evidence: hypothesis (Low confidence) · Last verified 2026-07-08 · Evidence types are load-bearing: spec-fact | reported | hypothesis (no measured). -->

- **Affects (funnel stage):** Choice
- **Evidence:** hypothesis
- **Confidence:** Low
- **Impact:** 3/3
- **Status:** active
- **Last verified:** 2026-07-08

## Per-platform status

Undocumented platforms show "unknown" - honest unknowns, never invented.

| Platform | Status | Notes | Source |
| --- | --- | --- | --- |
| ChatGPT | unknown | Not documented by this platform. | - |
| Gemini / Google AI Mode | unknown | Not documented by this platform. | - |
| Perplexity | unknown | Not documented by this platform. | - |
| Copilot | unknown | Not documented by this platform. | - |
| Claude | unknown | Not documented by this platform. | - |

## Evidence and sources

- [ACES (arXiv:2508.02630)](https://arxiv.org/abs/2508.02630) (2026-07-08)

## How to act on this

Show a truthful review count, a rolling recent-reviews figure, and a per-star breakdown near the average, with reviewCount and dated Review entries in markup.

### Related checklist items
- [Carry review count and recency in the review structured data, truthfully.](https://agentmint.net/tools/agent-selection-checklist/#b-trust-policy-01) (Selection)
- [Render the full ratings distribution on the PDP, not just an average.](https://agentmint.net/tools/agent-selection-checklist/#b-trust-policy-05) (Selection)

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