# How Forethought uses Cartesia

**1B+** Customer interactions processed each month

As published on [cartesia.ai](https://www.cartesia.ai/customers/forethought), April 2025. Captured by usedby on 2026-10-08.

- Company: [Forethought](https://www.usedby.ai/companies/forethought.md)
- Tool: [Cartesia](https://www.usedby.ai/tools/cartesia.md)
- Teams: Customer Support

## What the story says

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.

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

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

> Cartesia’s voice API power dynamic and empathetic conversational experiences that are consistently dependable.
>
> Sami Ghoche, CEO of Forethought

## What usedby checked

We compared the story with its live page on 2026-10-08.

- Checked: the figure 1B+ is on the page; its label is our wording.
- Checked: the passage quoted above is copied word for word from the page, near the name of Forethought.
- Checked: the publication date is read from the page’s own metadata, never guessed.
- Checked: Forethought uses Cartesia. Confirmed line. Latest check across sources: 2026-10-08.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/forethought-cartesia · How we check: https://www.usedby.ai/methodology