# How Together.ai uses Cartesia

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

- Company: [Together.ai](https://www.usedby.ai/companies/together-ai.md)
- Tool: [Cartesia](https://www.usedby.ai/tools/cartesia.md)
- Industry: [Artificial Intelligence](https://www.usedby.ai/companies/industry/artificial-intelligence.md)

## What the story says

Together AI integrated Cartesia's Sonic text-to-speech model as a native endpoint on its Voice Platform for enterprise customers. The model runs alongside speech-to-text and LLM components on Together's infrastructure to support real-time voice applications.

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

> The partnership is a natural extension of a relationship that has been running in production since Sonic’s launch, powering millions of audio minutes daily on Together’s GPU clusters.

> We’re thrilled to bring Cartesia’s industry-leading models onto Together AI. By co-locating these models, we’re removing the latency barriers that have held back real-time voice agents, allowing our customers to build faster and more fluid conversational experiences than ever before.
>
> Arielle Fidel, VP of Strategic Partnerships, Together AI

## What usedby checked

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

- Checked: the passage quoted above is copied word for word from the page, near the name of Together.ai.
- Checked: the publication date is read from the page’s own metadata, never guessed.
- Checked: Together.ai 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/together-ai-cartesia · How we check: https://www.usedby.ai/methodology