The Sera library
Research, without the wait
Honest guides to AI-moderated research — and ready-to-run study templates for testing whatever you’re building.
Guides
What AI moderation, synthesis, and recruitment actually do well today — and where humans still win.
AI user research for product managers: a working guide
AI user research lets product managers launch a study in ~10 minutes and read quantified, trustworthy findings the same day — no research team needed.
5 min read
Can you trust AI-moderated research?
AI-moderated research is trustworthy when you can audit it. What to verify — participants, moderation, synthesis — and where the trust case breaks.
6 min read
Analyzing user interviews with AI: what works in 2026
How AI interview analysis works in 2026: transcripts to themes, quotes, and recommendations — where it beats manual coding, where it fails, the workflow.
5 min read
Where AI research breaks: a failure taxonomy
The five potential failure modes of AI research — and the design patterns the best AI research tools use to make each one detectable and rare.
6 min read
Synthetic users: when they help and when they mislead
Synthetic users are useful for pilot-testing research instruments and dangerous as decision evidence. An honest guide to when AI participants help.
6 min read
AI customer research: a guide for marketers
AI customer research lets marketers launch a study in 10 minutes and get quantified, trustworthy interview results the same day. Here's how it works.
5 min read
Sera vs UserTesting: an honest comparison
UserTesting wins if you need a human-moderated session. For speed, real audiences, and automated analysis, Sera is stronger. An honest comparison.
6 min read
How to test a prototype with AI
How to test a prototype with AI: paste a Figma link, get a full study in minutes, run parallel AI-moderated interviews, read quantified findings in a day.
5 min read
AI usability testing: how it works and what it answers
AI usability testing lets you launch a test in ~10 minutes, run parallel AI-moderated sessions, and read quantified, cited findings the same day.
5 min read
How designers run their own user research with AI
AI user research lets designers test a Figma prototype or live flow in ~10 minutes of effort and read quantified, cited findings the same day.
6 min read
How many users for usability testing in the AI era?
The five-user rule was a cost artifact of human moderation. With AI interviews running in parallel, 20–50 sessions fit in a day — and the answer changes.
4 min read
Generating personas with AI (without the fiction)
AI turns real interviews into cited personas in a day. How grounded generation works, why invented personas fail, and the workflow that holds up.
6 min read
AI vs. human moderators: what still needs a person
AI and human interview moderators compared head-to-head: protocol adherence, probing, emotional nuance, tangents, cost, and speed — with an honest verdict.
5 min read
How to run user research in a day
Launch a study in 5–15 minutes — paste your URL, align on goals, review the guide — and read AI-built themes and an executive summary by 4pm.
4 min read
How to prompt an AI study builder (examples that work)
The prompt structure that makes an AI study builder draft the right study: a stimulus link, the problems to look for, and the questions you need answered.
6 min read
Can AI moderate user interviews?
AI can moderate evaluative user interviews today — usability, concept, churn. What an AI moderator does, where it breaks, and when to keep a human.
7 min read