Compare: one task, two briefs
Write two versions of a brief on the same synthetic material, run both, see how wording changes the output, and judge which one holds up.
1. Scenario
Pick a work role starter with synthetic material, or switch to Bring your own.
Account renewal follow-up after a pricing question
Sales · Synthetic materialYou manage regional clinic accounts. After a renewal call with Northside Physical Therapy, the clinic director asked for a written recap of what is included in the 18-seat renewal and what is not.
Synthetic call notes, Northside Physical Therapy renewal (Account #PT-409): - Current plan: 18 staff seats at $38 per seat per month, billed annually ($8,208 per year). Renewal date: 1 December. - Included in renewal: appointment reminder SMS pack (up to 4,000 messages per month) and CSV export for clinic billing. - Asked on the call: Director asked if custom insurance claim coding is included. Answer given on call: No, insurance claim coding is not part of the product. - Open item: Director wants a 30-day opt-out clause if they close their satellite room in March; legal team must review before we can promise anything.
2. Work area
Edit the briefs or setup below before you run.
Output A
Example. No model ran.Hi there, Thank you for a great conversation today about renewing Northside Physical Therapy's 18-seat plan on 1 December. At $38 per seat per month ($8,208 annually), you will continue to enjoy up to 4,000 SMS reminders a month and seamless CSV billing exports. While custom insurance claim coding is not currently built in, our CSV export makes billing workflows easy, and we are working with our legal team to accommodate your 30-day opt-out clause for March so you can sign with confidence this week.
Output B
Example. No model ran.Subject: Northside Physical Therapy renewal recap (1 December) Hello, Thank you for speaking today. Here is a written recap of where things stand for your 1 December renewal: - Plan and price: 18 staff seats at $38 per seat per month, billed annually ($8,208 per year). - Included: Appointment reminder SMS pack (up to 4,000 messages per month) and CSV export for clinic billing. - Not included: Custom insurance claim coding is not part of the product. - Open legal check: Your request for a 30-day opt-out clause tied to a potential March satellite-room closure has been sent to our legal team for review. I will let you know what they confirm before you sign. Best regards,
3. Run
Nothing leaves your browser until you press Run.
Sends the scenario material and the two briefs you run. to job sandbox_run (claude-haiku-5-5, effort low). Raw text is processed in memory and not stored.
4. Inspect
See what left the browser, which model ran, and the receipt.
Nothing sent yet. Showing the built-in offline example.
Your draft briefs and scenario selection on this device.
sandbox_run · claude-haiku-5-5 (effort low, max 1500 tokens). Fast Haiku runs keep side-by-side brief comparisons under a few seconds so you can test small wording changes.
0 runs used · source: offline · Example. No model ran.
5. Judge
Which brief avoids softening the 'no' on insurance claim coding or accidentally promising the March opt-out clause?
Kept the facts
Matched the tone
Stayed within what it knew
Usable without heavy edits
50 is a coin flip. 99 is certain. Honest confidence scores best.
6. Debrief and Keep
What to check next time, the matching lesson, and keeping this setup as a recipe.
What to check next time
When you ask a model to be persuasive on a sales recap, it tends to blur product boundaries or treat an unapproved legal request as a done deal. Naming the explicit 'no' and the open legal review in the brief keeps the email honest.
Keep as a recipe
Save the stronger brief and scenario setup to your device so you can reuse or adapt it in Keep.