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A buyer's rubric for synthetic research

Last updated: August 2026

Ask four questions of any vendor. Does it publish error rates? Against which benchmarks? At what n? Is pricing public? Competitor facts on these pages come from each vendor's own site. Where a number is not published, the cell says so.

• Lewsearch vs Simile

  Lewsearch vs Simile

  A buyer's rubric: published error rates, named benchmarks, n, and pricing. Lewsearch posts a pooled MAE. Simile publishes validation volume and does not publish a pooled error rate.

• Lewsearch vs Aaru

  Lewsearch vs Aaru

  Lewsearch publishes mean absolute error against public polls. Aaru publishes a Spearman correlation from a blinded EY wealth-study recreation. Different metrics, different access models.

• Lewsearch vs Synthetic Users

  Lewsearch vs Synthetic Users

  Synthetic Users sells qualitative interviews and reports thematic parity. Lewsearch sells quantitative panels and publishes MAE against named polls.

• Simile vs Aaru

  Simile vs Aaru

  Neutral rubric for two enterprise simulation vendors. What each publishes on its own site, and what neither publishes.

• Simile alternatives

  Simile alternatives

  Vendors adjacent to Simile, scored on published error rates, named benchmarks, n, and whether pricing is public.

• Aaru alternatives

  Aaru alternatives

  Vendors adjacent to Aaru, scored on the same published-evidence rubric: error rates, benchmarks, n, and public pricing.

Accuracy numbers for Lewsearch are on the methodology page. Coverage is on the coverage page. Pricing is on the pricing page.