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AI Recommendation Movers · Close Aug 31, 2026

Lefant M210 was the biggest mover of the week in Best Robot Vacuums Under $50, climbing 8 places.

The largest single-week gain across 1 tracked category at this close.

Categories
1
Brands ranked
22
Models
4
#1 changes
0

Consensus of ChatGPT, Claude, Gemini, Perplexity · Close Aug 31, 2026

Risers & fallers.

The biggest close-over-close moves across the index.

Most contested.

Where the models disagree on #1: each model's top pick, side by side.

Best Robot Vacuums Under $502 different #1s · widest gap 8
ChatGPT
Eufy RoboVac 11S
Claude
Yufenmy
Gemini
Eufy RoboVac 11S
Perplexity
Eufy RoboVac 11S

Methodology. Each week we ask ChatGPT, Claude, Gemini, Perplexity the real questions buyers ask in each category and record which brands they recommend and in what order, scored 0-100 per model with a published formula. Movement compares this close against the prior close. We report what the models say and never editorialize. Full sample sizes, prompt sets, and limitations are in the methodology.

Cite this data

How to reference

Per WhereDoIRank sampling of ChatGPT, Claude, Gemini, Perplexity on the weeks of Aug 24, 2026 and Aug 31, 2026.

Citation

WhereDoIRank.ai, "AI Recommendation Movers · Close Aug 31, 2026," Aug 31, 2026. https://wheredoirank.ai/reports/ai-recommendation-movers-2026-08-31

Every figure traces to recorded model answers, scored with a published formula. Read the full methodology, or reach the desk for data or an interview via press contact.