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How Together.ai uses Cartesia

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

What happened

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.

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

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, Together.ai. 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 passage quoted aboveCheckedCopied word for word from the page, near the name of Together.ai.
  • The publication dateCheckedRead from the page’s own metadata, never guessed.
  • Together.ai 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.

95%“Serval now automates 95% of Together AI's just-in-time access requests”Together.ai uses Serval. Another tool at Together.ai97%“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 Cartesia