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How Forethought uses Cartesia

1B+

Customer interactions processed each month

As published on cartesia.ai, April 2025. Captured by usedby on Oct 8, 2026.

What happened

Forethought uses Cartesia's Sonic text-to-speech model to give its AI customer support agents a voice for handling customer service calls. The aim is fast, natural, empathetic voice interactions that fully resolve customer issues.

Summary written by usedby from the source page, in English. The figures are those of Cartesia and Forethought, not ours.

  • 40ms“Low Latency: Sonic achieves a time-to-first-audio of 40ms, ensuring fast, natural conversations that reduce wait times and improve customer satisfaction.”

Forethought’s customers needed a voice model to handle thousands of customer service calls while keeping interactions fast and accurate.

From the page. cartesia.ai, captured Oct 8, 2026

Cartesia’s voice API power dynamic and empathetic conversational experiences that are consistently dependable.

Sami Ghoche, CEO of Forethought, Forethought. Source, captured Oct 8, 2026

What the story claims, and what we checked

We compared the story with its live page on Oct 8, 2026.

  • The figure: 1B+CheckedThe figure is on the page; its label is our wording.
  • The passage quoted aboveCheckedCopied word for word from the page, near the name of Forethought.
  • The publication dateCheckedRead from the page’s own metadata, never guessed.
  • Forethought uses CartesiaCheckedConfirmed line. Latest check across sources: Oct 8, 2026.
  • The result itselfNot checkedWe quote it; we did not measure it.

Same company, same tool or same industry.

97%“97% faster resolutions and nearly 2x CSAT scores achieved for customers”Lorikeet uses Cartesia. Another customer of Cartesia2-3x“Cartesia’s Time-to-First-Audio (TTFA) is 2-3x faster than the next best provider on Retell’s platform.”Retell uses Cartesia. Another customer of Cartesia99.99%Uptime with enterprise-grade reliabilityReplicant uses Cartesia. Another customer of Cartesia