Tasks / Leadership

Hire a PM

Can the model design a hiring process that finds the right PM, and make the call on real candidates from the evidence?

Measures the modelTask type v1.1 · 3 tasksLast changed 6 Oct 2026 · ChangelogDifficulty

What AI gets right here, and what you’ll still have to catch

From 19 graded outputs by 7 models. 79% were usable with at most a quick edit.

Reliably right

  1. Produces the required deliverable100% pass
    Complete recommendation memo with evidence, risks, and actionable next steps, usable as is.
    GPT-6 Luna · API · Two finalists, one Group PM role
  2. Judges on evidence, not presence100% pass
    Judges on concrete evidence (metric moved, team credit, learning from failure) and treats impressions like presence as weak signals.
    GPT-6 Luna · API · Two finalists, one Group PM role
  3. Tests what the last hire failed at100% pass
    The loop includes an influence simulation with the Head of Sales and a scorecard dimension on influence without authority, directly testing what the last hire failed at.
    GPT-6.1 Sol · API · A loop for the first growth PM

Where it slips

  1. Spots the interviewer pattern65% pass
    Does not notice that VP Engineering scores big-tech candidates higher and those hires were rated lower; only reports a negative correlation without the pattern.
    GPT-6 Luna · API · What our interviews predict
  2. Avoids unsupported claims70% pass
    The claim 'A growth PM in a senior role is likely to be exactly that kind of person' is presented as fact without evidence and is not labelled as an assumption.
    Opus 5.5 · Claude · A loop for the first growth PM
  3. Identifies material uncertainty72% pass
    The output does not name unknowns that could change the hiring decision or the loop design, nor does it say how they would be resolved.
    Sonnet 5.5 · API · A loop for the first growth PM

How it’s graded

The checks come from what the best product leaders have said about doing this job well on Lenny’s Podcast. Each one names the guest it comes from: follow a name to the idea on the Lenny’s Podcast wiki.

  1. Judges on evidence, not presence

    Does the output judge candidates, or design the process to judge them, on specific evidence of results they drove and how they worked with their team, rather than impressions such as presence, confidence or polish?

    Passes when Asks for or weighs concrete evidence: the metric a candidate moved, the part they played, how they shared credit, what they learned from a failure. Impressions are treated as weak signals.

  2. Defines good for this role first

    Does the output set out what good looks like for this specific role (the competencies that matter most at this level, and what strong and weak look like) before judging candidates or designing interviews?

    Passes when Names the competencies weighted for this role and level, with strong and weak signals, and the judgement or the process follows from them.

  3. Keeps each judgement independent

    Does the output keep each interviewer's judgement independent (written down before the group discusses it), and guard against the loudest voice or the first speaker deciding?

    Passes when Requires or relies on written, independent evaluations before discussion, and discounts views that changed under group pressure.

Plus our standard checks

Uses the supplied evidence correctly · Addresses the actual decision · Respects explicit constraints · Identifies material uncertainty · Avoids unsupported claims · Produces the required deliverable · and 3 written for each task, which you’ll see in the tasks below.

The tasks

Read the brief, then put up to three outputs side by side, each with the LLM judge’s verdict on every check. Highlights mark what a PM had to fix.

The brief

You're helping Amara Osei, VP Product at Copperline, hire our first Growth PM (a senior role). She's shared her draft interview loop and asked you to redesign it. Write the loop you'd run (each round: who runs it, what it tests, how long it takes), the scorecard (what strong and weak look like for each thing we're testing), and how we'll make the decision at the end. No more than 900 words. What we know is below.

What the model was given6 items: About Copperline, The role, Amara's draft loop, The last two PM hires, From the recruiter, Who can interview
About CopperlineInvoicing and payments software for small accountancy firms. 60 people. Trial to paid conversion is 9%.
The roleOwns trial conversion and expansion revenue. Works with three engineers and a designer, reports to Amara, and has to ship experiments every week. Needs Sales and Marketing to change how they work, without managing them.
Amara's draft loop1. Recruiter screen. 2. Take-home: 'design a growth strategy for Copperline', a 10-page deck, five days to complete. 3. Presentation to a panel of six. 4. Culture fit with the CEO: 'would I grab a beer with them?' 5. Debrief: everyone discusses, then votes by show of hands. There's no scorecard.
The last two PM hiresOne left after five months: 'couldn't get Sales to change anything'. The other is doing well. Both sets of interview notes say mainly 'great presence' and 'very smart'.
From the recruiterOf the last 40 candidates given the take-home, 14 withdrew, saying they didn't have time. Nine of the 14 had young children or demanding current roles.
Who can interviewAmara, the Head of Engineering, a senior designer, the Head of Sales, a data analyst and the CEO. Each can give at most two hours to this hire. Amara wants an offer out within three weeks of the first interview.
What a strong answer doesThe answer key the graders mark against

A loop built on a scorecard written first: for a senior growth PM, experimentation and analytics, execution, and influence without authority (weighted up, since the last hire failed on it), with strong and weak signals for each. Rounds test the real job: a live diagnosis of Copperline's own trial funnel instead of a five-day generic deck (which loses candidates, mostly parents and people in demanding roles), a behavioural round on past experiments and metrics actually moved, and an influence round run by the Head of Sales. Replaces the 'grab a beer' culture fit with a structured values or collaboration conversation. Each interviewer writes their evaluation before the debrief, and the decision is made against the scorecard, not a show of hands. Fits each interviewer's two hours and the three-week target, and adds reference checks.

Critical failures (cap the score at 40)
  • Keeps a culture-fit test based on whether the interviewer would like a beer with the candidate
Task

Mid-level · v1.0 · synthetic · B2B SaaS, hiring, growth

The outputs

7 setups answered this brief. Pick up to three to read side by side.

Usable with a quick edit10 of 12 checks passed

The output is a complete, actionable plan that a product manager could implement with minimal editing, though adding a note on uncertainty would strengthen it.

Output

Here is the redesigned loop, scorecard, and decision framework tailored to Copperline’s constraints and failure modes.

---

1. The Redesigned Loop

We replace the 10-page take-home (which filters out working parents and busy seniors) with a Live Working Session using a 1-page data brief sent 24 hours prior (max 30 minutes prep). We eliminate the 6-person panel and beer test in favor of targeted, structured interviews.

Total interviewer commitment: Amara (105 min), Data Analyst (75 min), Head of Sales (75 min), Head of Eng (75 min), Designer (75 min), CEO (45 min). All under the 2-hour cap.

RoundInterviewer(s)Focus & FormatDuration
:---:---:---:---
0. Recruiter ScreenRecruiterComp, logistics, baseline communication, role alignment.30 min
1. HM ScreenAmara (VP Product)Growth philosophy, track record of weekly experiment cadences, why Copperline.30 min
2. Live Growth JamAmara & Data AnalystSimulated Work: 1-page brief on Copperline’s 9% trial conversion. Candidate leads a 30-min problem-solving session to generate, prioritize, and design 3 testable hypotheses.45 min
3. Influence & Stakeholder AlignmentHead of SalesPast Behavioral: Changing sales/marketing behavior without authority, handling resistance, aligning self-serve vs. assisted motions.45 min
4. Pod Execution & VelocityHead of Eng & Senior DesignerCollaboration: How they run a 4-person growth pod, maintain weekly shipping velocity, make scoping trade-offs, and treat engineering/design as thought partners.45 min
5. Values & AmbitionCEOStructured interview assessing ownership, comfort with 60-person ambiguity, and customer obsession for small accounting firms.30 min
6. Async DebriefAmara (Lead)Written-first calibration and final decision.30 min

Pacing: Rounds 2–5 can be scheduled across two consecutive days. Total timeline from screen to offer: 10–14 business days.

---

2. The Scorecard

Interviewers evaluate against specific evidence, not “smartness” or “presence.”

#### A. Influence Without Authority (Crucial copper-plate failure mode) Evaluated by: Head of Sales, Amara * Strong: Uses shared metrics to align incentives; brings Sales qualitative feedback into experiment design; creates lightweight workflows that save reps time; shows empathy for quota-carrying teams; demonstrates wins where an adversarial relationship was turned into a partnership. * Weak: Relies on executive mandate (“Amara said so”); views Sales as an execution arm; blames others when processes fail (“Sales refused to update the CRM”); uses heavy-handed documentation instead of relationship-building.

#### B. Experiment Velocity & Growth Rigor (9% trial-to-paid target) Evaluated by: Amara, Data Analyst * Strong: Understands the mechanics of PLG onboarding for B2B accounting workflows; defines clear leading indicators; comfortable shipping imperfect MVPs to learn fast; ruthlessly prioritizes based on impact vs. effort; embraces invalidated tests as learning. * Weak: Proposes massive, multi-month redesigns instead of iterative tests; lacks mathematical intuition around sample sizes and statistical significance; fixates on vanity top-of-funnel metrics instead of revenue and conversion.

#### C. Cross-Pod Execution & Scoping Evaluated by: Head of Engineering, Senior Designer * Strong: Involves design and engineering early in hypothesis generation; defines crisp acceptance criteria; scopes experiments down to hours/days, not weeks; protects pod morale by celebrating learning over pure "wins." * Weak: Hands fully formed PRDs over the fence; treats engineers as ticket-takers; expects pixel-perfection on throwaway split tests; cannot articulate trade-offs between tech debt and learning speed.

#### D. Customer Domain Empathy & Ownership Evaluated by: CEO * Strong: Shows genuine curiosity about the mundane operational pains of small accountants; low ego, high accountability; self-directed; articulates clear reasons for joining an early-stage B2B SaaS business. * Weak: Generic answers suited to consumer tech; dismissive of non-glamorous industries; expects corporate infrastructure and large support teams.

---

3. Decision-Making Framework

To prevent the groupthink, bias, and anchoring seen in show-of-hands voting:

1. Independent Scorecard Submission: Within 2 hours of their interview, every interviewer must submit their score (Strong Hire, Hire, Lean No Hire, Strong No Hire) and written evidence mapped to their specific competencies. Scores are locked; no one can view others' ratings until their own is submitted. 2. The 30-Minute Debrief: * Amara chairs the meeting. * If any interviewer marks Lean No Hire or Strong No Hire, the discussion starts entirely on those specific concerns. * The Head of Sales holds an effective veto on stakeholder influence. If the Head of Sales says, "This person will alienate my team," the candidate is disqualified. * "Culture fit" is explicitly redefined: We do not hire people we want to grab a beer with; we hire people who elevate our operating standard and live our core values. 3. Single Decision-Maker: This is not a democracy. Amara owns the final decision and accountability for the hire. If the scorecard is clean and Sales approves, Amara makes the call immediately.

This process directly solves candidate drop-off, screens for Copperline's exact historical failure mode, and enables an offer inside two weeks.

Grades and run details

Decision model 83 · LLM judge 11 of 13 checks
Decision model checks
  • passUses the supplied evidence correctly17%
  • passAddresses the actual decision66%
  • partialRespects explicit constraints31%
  • failIdentifies material uncertainty51%
  • partialAvoids unsupported claims54%
  • passProduces the required deliverable89%
  • passTests what the last hire failed at100%
  • passFixes the take-home's cost to candidates100%
  • passFits the people and the time87%
  • passJudges on evidence, not presence96%
  • passDefines good for this role first86%
  • passKeeps each judgement independent100%
Run
Run
#1
API response time
29 s
Submitted
5 Oct 2026

Usable with a quick edit11 of 12 checks passed

The output is a complete, actionable plan that a PM could implement with minor wording tweaks; no evidence re-checking or reasoning redo is needed.

Output

Growth PM interview loop

Assumptions: The two-hour cap is each person's total across all candidates, so I've designed for three finalists. Early rounds are cheap and don't use the panel's time. Only Amara's time is spent before the finalist stage.

Why the change

  • The 5-day, 10-page deck cost us 14 of 40 candidates, mostly people with caregiving duties or demanding jobs. It also tests deck-making, not the job.
  • The last hire failed on influencing Sales, and nothing in the old loop tested that.
  • "Great presence" and "very smart" in the notes are not evidence, and a show-of-hands vote rewards the loudest voice.

The loop

#RoundWhoTestsTime per candidate
1Screen + written questionRecruiter, scored by AmaraBasics, comp, and a 300-word written answer: "A conversion experiment you ran: baseline, result, what you'd change."30 min call, 20 min writing
2Ownership deep-diveAmaraTrack record on revenue outcomes20 min
3Funnel caseData analystConversion judgment30 min
4Ship-it scopingHead of Eng + senior designerWeekly shipping with a small team30 min
5Influence role-playHead of SalesChanging others' behavior without authority30 min
6Business and working styleCEOJudgment, first-hire fit20 min
7DebriefAll interviewersDecision20 min total

Rounds 3–6 can be done in one sitting, or split across two days on video. Total candidate time is about 3 hours.

Round details - Round 1: Amara spends 5 minutes on each of about six written answers (30 min total) and picks three finalists. - Round 3: We send a one-page anonymized trial funnel 24 hours ahead, with a note to spend no more than 30 minutes on it. In the room the candidate says where they'd look first, picks two experiments, and designs one, including metric, guardrail, and what a realistic sample size allows at our volume. - Round 4: We give a half-formed experiment idea. The candidate must cut it to something shippable within a week by three engineers and a designer. The interviewers push back on scope. - Round 5: The Head of Sales plays a skeptical rep or manager who thinks trial follow-up is a distraction. The candidate has to get agreement on a small pilot. The last 5 minutes cover a real past example. - Round 6: A structured conversation covering how the candidate would think about expansion revenue for small accountancy firms, what being the first growth hire means, and a time they disagreed and then committed. This replaces "would I grab a beer."

Scorecard

Each criterion is rated 1–4, with no midpoint. Every interviewer writes specific observed behaviors, not impressions. "Presence" and "smart" don't count as evidence.

1. Influence without authority (weight 30%; Sales, plus Amara and references) - Strong: Starts from what Sales cares about (quota, time, commissions). Proposes a small, reversible pilot. Offers something in return. Has a past example where a team they didn't manage changed behavior, with details. - Weak: Says "align stakeholders." Escalates to the boss. Presents the change as a mandate. Blames other teams in past stories.

2. Conversion judgment (25%; Analyst) - Strong: Segments before theorizing. Notes that our volume limits what tests can detect. Ties each experiment to a hypothesis and a guardrail. Asks about accountancy seasonality and who actually decides to pay. - Weak: Lists generic tactics (checklists, gamification). Has no view on sample size. Doesn't ask about the data.

3. Shipping cadence (20%; Eng + Design) - Strong: Cuts scope readily to the smallest test. Gives real numbers on past experiments per week or month. Treats engineers and designers as partners and takes their objections seriously. - Weak: Proposes large projects with distant payoffs. Writes specs without hypotheses. Defends scope instead of trading it off.

4. Ownership of revenue outcomes (15%; Amara) - Strong: Gives baselines, deltas, and their specific contribution. Talks candidly about experiments that failed. - Weak: Vague credit for team results. Describes outputs (launches, decks) instead of outcomes.

5. Judgment and fit for a 60-person company (10%; CEO) - Strong: Is energized by ambiguity. Builds their own tools and doesn't wait for resources. Disagrees directly and then commits. - Weak: Needs a playbook or a team. Can't prioritize without data. Becomes defensive when challenged.

Note for the Head of Sales: Score what the candidate did in the role-play, not whether you enjoyed being challenged.

Decision process

  1. Independent scoring. Each interviewer submits ratings and evidence before the debrief and can't see others' scores.
  2. Debrief (20 min). Amara reads out the scores, lowest first, on each criterion. Disagreements get discussed against the evidence, not general impressions.
  3. Must-haves. A score of 2 or below on influence or shipping means no offer. The last miss was an influence failure, and weak shipping defeats the weekly-experiment job.
  4. Ranking. Among candidates who pass, the highest weighted score wins. Close calls go to Amara.
  5. Decision owner. Amara decides, and there is no vote. The CEO can block only by citing specific observed evidence tied to the scorecard.
  6. References. The recruiter checks references for the top candidate, using Amara's script. At least one reference must be a cross-functional partner such as someone from sales or marketing, asking, "Did they change how your team worked? How?"

Timeline and time budget

  • Week 1: Recruiter screens and written questions. Amara picks finalists by the end of the week.
  • Week 2: Amara's deep-dives, then rounds 3–6 for all three finalists.
  • Week 3: Debrief on Monday, references on Tuesday and Wednesday, offer by Friday.
PersonTime
Amara30 min (written answers) + 60 min (3 deep-dives) + 20 min (debrief) = 110 min
Analyst, Sales, Eng, Design90 min (3 interviews) + 20 min (debrief) = 110 min each
CEO60 min + 20 min = 80 min

If more than three candidates reach round 2, Amara's time is the first limit. In that case, tighten the written screen before asking for more of her time.

Grades and run details

Decision model 92 · LLM judge 12 of 13 checks
Decision model checks
  • passUses the supplied evidence correctly30%
  • passAddresses the actual decision78%
  • passRespects explicit constraints28%
  • partialIdentifies material uncertainty22%
  • partialAvoids unsupported claims47%
  • passProduces the required deliverable90%
  • passTests what the last hire failed at100%
  • passFixes the take-home's cost to candidates100%
  • passFits the people and the time79%
  • passJudges on evidence, not presence100%
  • passDefines good for this role first92%
  • passKeeps each judgement independent99%
Run
Run
#1
API response time
53 s
Submitted
5 Oct 2026

Check by check

Where the outputs differ comes first. Open a check to read the judge’s reasons. “Mixed” means the two graders disagreed.

Where they differ 1

Avoids unsupported claimsWrongRight
Gemini 3.8 Flash · API

The output presents forecasts like 'This process directly solves candidate drop-off' as established fact without labelling them as hypotheses.

Sonnet 5.5 · API

The output does not present interpretations or forecasts as established facts; its claims are supported by the supplied evidence.

All got wrong 1

Identifies material uncertaintyWrongWrong
Gemini 3.8 Flash · API

The output does not name any unknowns that could change the loop design or decision process, nor does it say how they would be resolved.

Sonnet 5.5 · API

The output does not name unknowns that could change the hiring decision or the loop design, nor does it say how they would be resolved.

All got right 10

Uses the supplied evidence correctlyRightRight
Gemini 3.8 Flash · API

All statements about the current situation are taken directly from the supplied context.

Sonnet 5.5 · API

All statements about the current situation are taken directly from the brief or supplied context, with no invented facts.

Addresses the actual decisionRightRight
Gemini 3.8 Flash · API

The output commits to a specific redesigned loop, scorecard, and decision framework, which is the answer requested.

Sonnet 5.5 · API

The output commits unambiguously to a specific interview loop, scorecard, and decision process, as requested.

Respects explicit constraintsRightRight
Gemini 3.8 Flash · API

The output is under 900 words, addresses the VP Product, and respects all stated constraints.

Sonnet 5.5 · API

The output respects the 900-word limit, replaces the take-home and beer test, fits the two-hour per interviewer and three-week timeline, and delivers the required components.

Produces the required deliverableRightRight
Gemini 3.8 Flash · API

The output provides a complete loop, scorecard, and decision framework that a product manager could act on with light edits.

Sonnet 5.5 · API

The output provides a complete loop, scorecard, and decision process within the word limit, usable by Amara with light edits.

Tests what the last hire failed atRightRight
Gemini 3.8 Flash · API

A round with the Head of Sales specifically tests influencing teams without authority, with strong and weak signals defined.

Sonnet 5.5 · API

Round 5 is an influence role-play with the Head of Sales, and the scorecard weights influence without authority at 30%, directly testing the last hire's failure point.

Fixes the take-home's cost to candidatesRightRight
Gemini 3.8 Flash · API

The five-day take-home is replaced with a live, bounded exercise, and the withdrawal data is cited to justify the change.

Sonnet 5.5 · API

The five-day take-home is replaced with a 300-word written answer and a 30-minute funnel case, citing the withdrawal data and who it drove away.

Fits the people and the timeRightRight
Gemini 3.8 Flash · API

Each interviewer's time is under two hours, and the total timeline of 10-14 business days fits the three-week target.

Sonnet 5.5 · API

The time budget shows each interviewer under 120 minutes, and the schedule fits the three-week target from first interview to offer.

Judges on evidence, not presenceRightRight
Gemini 3.8 Flash · API

The scorecard and process require concrete evidence of results and collaboration, not impressions like presence or smartness.

Sonnet 5.5 · API

The process requires specific observed behaviors and concrete evidence, explicitly rejecting 'presence' and 'smart' as evidence.

Defines good for this role firstRightRight
Gemini 3.8 Flash · API

The scorecard defines the weighted competencies for this role with strong and weak signals before the decision framework.

Sonnet 5.5 · API

The scorecard defines five weighted competencies with strong and weak signals for this specific senior growth PM role before evaluating candidates.

Keeps each judgement independentRightRight
Gemini 3.8 Flash · API

Interviewers must submit written evaluations independently before any group discussion, preventing groupthink.

Sonnet 5.5 · API

Interviewers submit written ratings and evidence before the debrief, and scores are discussed against evidence, preventing the loudest voice from dominating.

Results

Every setup we’ve tested on this task type, across all its tasks and repeats, graded on the current checklist. Provisional The checklist is still being calibrated against our PM.

#Model · HarnessTask scoreDecision modelLLM judgeRunsCritical failures
1GPT-6.1 SolwithAPI94.4100.03None
2Sonnet 5.5withAPI95.896.22None
3Gemini 3.8 FlashwithAPI89.692.32None
4GPT-6 AstrawithChatGPT95.887.23None
5Opus 5.5withClaude91.787.23None
6GPT-6 LunawithAPI93.184.63None
7Gemini 3.5 Flash-LitewithGemini75.064.13None

About the task

The PM job

Hiring product managers.

Why it matters

A bad PM hire costs a team a year. Most loops reward polish and presence, and the debrief goes to whoever speaks first.

What good looks like

  • Defines what good looks like for this role before judging anyone
  • Judges on evidence of results and how they work with a team
  • Tests the real job, not a rehearsed framework
  • Keeps each interviewer's judgement independent

Deliberately not measured

  • Employment law
  • Compensation benchmarking
Capability tested

Hiring judgement

The failure we’re looking for

Hiring for presence and polish over evidence

Grading

Decision model and LLM judge, calibrated against a blind PM review