Lead processing · Production
WhatConverts achieves over 50% cost savings with AssemblyAI
The problem
WhatConverts needed the highest-accuracy Speech-to-Text API to power reliable lead ranking from phone call transcripts, and faced cost pressure with previous big-tech providers.
Workflow diagram · grounded in source
1
Phone call lead received
trigger
“For phone call leads, call transcripts are broken down into chats between Callers and Recipients”
2
AI speech transcription
ai_action
“AssemblyAI Speech-to-Text API to power State-of-the-Art transcription accuracy”
3
PII/PCI redaction
validation
“AssemblyAI's PCI (PII) Redaction feature so that personal information like emails, credit card numbers, and addresses are all removed from both the transcription and audio playback”
4
Transcript search and review
output
“Users can view conversations as they are happening and even search and find important moments in the audio based on the transcription text”
Reported outcome
After switching to AssemblyAI, WhatConverts achieved up to 10% improvement in transcription accuracy and 50-60% cost savings versus big-tech providers, while gaining PII/PCI redaction to protect personal information in transcripts and audio.
Reported metrics
Transcription accuracy improvementup to 10%
Cost savings versus big tech providers50-60%
Reported stack
AssemblyAISpeech-to-Text APIPCI (PII) RedactionGoogle AdsFacebook AdsIntercom
Frequently asked questions
What did this team achieve with this AI workflow?
After switching to AssemblyAI, WhatConverts achieved up to 10% improvement in transcription accuracy and 50-60% cost savings versus big-tech providers, while gaining PII/PCI redaction to protect personal information i…
What tools did this team use?
AssemblyAI, Speech-to-Text API, PCI (PII) Redaction, Google Ads, Facebook Ads, Intercom.
What results were reported?
Transcription accuracy improvement: up to 10%; Cost savings versus big tech providers: 50-60% (source-reported, not independently verified).
How is this lead processing AI workflow structured?
Phone call lead received → AI speech transcription → PII/PCI redaction → Transcript search and review.