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Build a golden call script from won and lost transcripts
Picked and checked by Olga Pearson, SalesUpLevel
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AE win rate rose 8 points, from 29% to 37%, in under a year. 212 BDR transcripts were analyzed in about 3.5 minutes.
Pull won and lost call transcripts, have Claude find what winners do differently, turn it into one script, and make reps pass an AI role-play on it before they get leads.
By Marchelle Mooney, VP of Sales at Mangomint, interviewed on the GTM AI Podcast · GTM AI Podcast ↗ · Apr 9, 2026
If you sell: run it before your 10am
- Export won and lost call transcripts into one file.
- Ask Claude for objections, whether they were overcome, pattern interrupts, competitor mentions and off-script wins and losses.
- Write a golden script in Notion from what the winners did.
- Reps must pass an AI role-play on the script to stay in the lead round robin.
- Check how closely new calls follow the script, and update it.
I have a JSON file with 212 call transcripts. Analyze each one for: objections raised, whether they were overcome, pattern interrupts used, and competitor mentions. Give me a summary with rankings. Starter version from the source: paste 5 call transcripts and ask “What are the top 3 objections and how were they handled?”
If you lead a team: roll it out
- The round-robin gate is the lever: tie lead access to passing the role-play.
- Update the script from new won calls every quarter.
Watch out for
- The win-rate gain came from the full program (script, role-play gate, coaching), not the analysis alone.
- Only use calls recorded with the buyer’s consent, and take out anything sensitive before pasting into a tool your company hasn’t approved.
Source: Marchelle Mooney, GTM AI Podcast, Apr 9, 2026. Results are as reported by the source; we did not measure them.
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