Entity Page · Industry · Second-hand Marketplaces
Mercari AI Visibility in Second-hand Marketplaces
Mercari ranks #2 in the Second-hand Marketplaces leaderboard with a 55.6 AI Index across 7 engines with current brand-level data. Its strongest current signal comes from Grok, and the score should be read as AI visibility rather than market share or product quality.
Entity Snapshot
Mercari is currently #5 out of 30 entities in Second-hand Marketplaces, with a 45.7 overall AI visibility score across 6 tracked engines. That position shows how often AI systems surface the brand when answering industry comparison and recommendation prompts.
Mercari is currently #2 out of 30 tracked Second-hand Marketplaces entities, with a 55.6 AI Index in the latest public snapshot. Mercari trails eBay by 32.9 AI Index points. The strongest engine-level signal comes from Grok, where Mercari records a 84.1 AI Index and 100% mention rate. MiniMax is the next strongest covered engine at 68 with a 100% mention rate.
The softer engine-level signal is ChatGPT, where Mercari records a 42.1 AI Index and 42.9% mention rate. Qwen is another engine to watch at 42.1 with a 42.9% mention rate. Keep the scope narrow: this page measures how tracked AI engines surface Mercari in Second-hand Marketplaces prompts. It does not rank product quality, sales, safety, or real-world market share.
Mercari's strongest current visibility comes from gemini (64.6 AI Index, 71.4% mention rate) and ChatGPT (57.6 AI Index, 71.4% mention rate). Its weaker engine profile is MiniMax (22.9 AI Index, 57.1% mention rate) and DeepSeek (30.4 AI Index, 28.6% mention rate), so the engine spread points to where recommendation consistency can still improve.
Continue from Here
This public entity page is a neutral starting point. Use Tracker when you want private monitoring for Mercari or a competitor set.
Entity Trend
Open trend explorerMercari's latest visible AI Index is 55.6. Read the trend together with engine coverage and mention-rate signals rather than as a standalone forecast. That movement is useful context, but it is strongest when it lines up with engine coverage and mention-rate changes. A single score move should not be read as a full market or product signal.
Mercari softened over the visible trend window, moving from 58.5 on 2026-04-30 to 43.9 on 2026-05-31. Use this trend alongside the engine breakdown to see whether movement is broad or isolated to a few engines.
Engine Breakdown
Comparable Entities
Vestiaire Collective is the closest comparable entity by rank, with Mercari behind it by 0.4 AI Index points. This gap is useful for reading whether the page reflects a clear lead, a close contest, or a brand that needs stronger AI evidence to move up.
FAQ
Why is Mercari ranked in the Second-hand Marketplaces leaderboard?
Mercari is included because tracked AI engines surface it in Second-hand Marketplaces prompts, and AIvsRank calculates its current visibility from rank position, recommendation strength, and mention-rate signals.
Which engines are strongest and weakest for Mercari?
The strongest current signal is Grok at 84.1 AI Index and 100% mention rate. The softest covered signal is ChatGPT at 42.1 AI Index and 42.9% mention rate.
Which entities should be compared with Mercari?
The most useful nearby comparison is eBay. Compare the score gap and engine-level table before treating rank movement as meaningful.
How often is this page updated?
This page updates when a new completed Second-hand Marketplaces leaderboard run is available. The current public snapshot was refreshed on 2026-05-10.
Methodology and source context
AIvsRank calculates this public entity page from 6 tracked AI engines and the latest completed industry leaderboard run for Second-hand Marketplaces.
Use the score, mention-rate, engine breakdown, comparable entities, and trend context together; no single chart or paragraph should be read as the whole visibility signal.