2x
increase in customers using conversation
As published on assemblyai.com. Checked by usedby on Oct 10, 2026.
What happened
CallRail, a lead intelligence software company, builds conversation intelligence features on AssemblyAI's speech-to-text, summarization, sentiment analysis and LeMUR models. These power call transcription, auto-scoring and categorization of calls, and Call Summaries for its customers.
Summary written by usedby from the source page, in English. The figures are those of AssemblyAI and CallRail, not ours.
- 23%“Through this initial partnership with AssemblyAI, CallRail improved its call transcription accuracy by up to 23%”
- 50%“50% less time spent reviewing and analyzing calls”
- 60%“60% less time spent qualifying leads”
- 10%“10% increase in leads from improved marketing”
Through this initial partnership with AssemblyAI, CallRail improved its call transcription accuracy by up to 23% and doubled the number of customers using its conversation intelligence product.
We're focused on delivering incredible products that meet the specific needs of our customers. To do that effectively and efficiently, it makes sense for us to partner with experts in AI versus building something from the ground up—which can feel like a space race and act as a barrier to bringing valuable solutions to market in a timely manner.
What the story claims, and what we checked
What we compared with the page.
- The figure: 2xCheckedThe figure is on the page; its label is our wording.
- The passage quoted aboveCheckedCopied word for word from the page, near the name of CallRail.
- CallRail uses AssemblyAICheckedConfirmed line.
- The result itselfNot checkedWe quote it; we did not measure it.







