Your brief stays yours, and every AI user is labeled
Two promises that shape how Cast is built: your ideas are private to your workspace, and synthetic people are never passed off as real ones.
October 13, 2026 · 6 min read
Inside Cast
Behind the scenes at Cast: how the product is built, what we change and why, and what we learn from the studies people run.
Twelve interviews at once: why parallel beats a panel
A focus group puts eight people in one room and lets the loudest voice win. Cast runs every conversation one to one, at the same time, and hands you findings in about an hour.
September 30, 2026 · 6 min read
Skeptics by design: why your cast never all agrees
Left alone, AI respondents drift toward polite agreement and a narrow middle. Cast fights both with deliberate skeptics and a dial we call Fuzziness.
September 17, 2026 · 6 min read
The Critic who reads every line
Every answer in a Cast study is checked by a separate AI before it counts. Here is what the Critic looks for, why it is a different model, and what it catches.
September 4, 2026 · 7 min read
Grounded, with sources: why our AI users do their homework
An AI user who invents the price of diesel is worse than useless. Here is how retrieval keeps Cast’s people anchored to the real world, and how you can check every fact.
August 21, 2026 · 7 min read
Why Cast uses four AIs instead of one
A model grading its own homework is a bad idea. Research on debate, critique and LLM judges explains why Cast splits the work between a Casting Agent, a Director, a Cast Member and a Critic.
June 17, 2026 · 7 min read