Seasonal weekly benchmark — 2026-W13
Lawn Fertilizer
2026-W13The Andersons PGF Complete and Scotts Turf Builder are tied at 12 mentions each across 4 AI models. Milorganite follows with 11 mentions.
Top Brands by AI Mention Frequency
Cross-Agent Comparison
How 4 AI models rank the same category. Hover a brand to trace it across models.
4 agents · top 3 each
| Agent | #1 | #2 | #3 |
|---|---|---|---|
| chatgpt | Milorganite | The Andersons PGF Complete | Sustane |
| claude | The Andersons PGF Complete | Milorganite | Scotts Turf Builder |
| gemini | The Andersons PGF Complete | Milorganite | Scotts Turf Builder |
| perplexity | The Andersons PGF Complete | Jonathan Green Veri-Green | Scotts Turf Builder |
How we measure this
Each benchmark runs the same standardized prompts across multiple leading AI systems, including ChatGPT, Claude, Gemini, and Perplexity. We use consistent, category-specific questions designed to surface genuine product recommendations — not sponsored results.
Responses are parsed to extract brand mentions, rank position, and frequency. We then analyze cross-model agreement, identify which brands consistently appear in top positions, and flag where AI outputs diverge from marketplace trends.
Seasonal categories are benchmarked weekly during active periods. Results reflect organic AI behavior at the time of testing. Read the full methodology
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