Rime, a San Francisco-based voice AI company, has raised a $24 million Series A round to expand its conversational speech models for handling enterprise customer calls, the company announced on July 15, 2026.
July 15, 2026 · Rime
Rime raises $24M to make AI voice trustworthy enough for live customer calls
The San Francisco voice AI company is betting on being the best underlying speech model — low latency, high reliability, and compliance-friendly deployment — rather than a full application platform.
$24M
Series A, led by M13 Ventures
$29.5M
Total funding to date
100M+
Calls processed per month
35
Team to grow with new capital
Latency reported by customers
Roughly 3× faster response
Coda targets sub-100ms time-to-first-byte, with 50+ languages & 600+ voices.
The model-first bet
Why enterprises should trust AI with live callers
Proprietary data
Studio recordings, not web scraping
Phoneme architecture
Brand names & jargon, no retraining
Compliance-ready
Runs on-premises or self-hosted
Customers span healthcare, airlines, fintech and food service — including Mayo Clinic, Dialpad, Upstart and Asurion.
Early strengths
Production-grade stability
Deterministic pronunciation of proper nouns
More natural, empathetic conversations
Higher call-completion rates
Still open questions
Coda remains in open beta
No independent benchmarks yet
Few large-scale case studies
Better-funded platforms are folding in voice
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