Company intelligence

Gradium

Gradium builds real-time voice AI infrastructure โ€” low-latency streaming speech-to-text, expressive text-to-speech, semantic turn detection, and voice agent frameworks for developers and enterprises.

AI infraParis, FranceFounded 2025Website โ†—See connections โ†’
Last verified Jul 31, 2026

Company Snapshot

Gradium is a AI infra company, based in Paris, France, founded 2025.

Recent changes

  1. Jul 9, 2026AI Voice Startup Gradium Raises $100M Seed, Backed by Nvidia Pulse story
  2. Jul 9, 2026Gradium Extends Voice-AI Seed to $100M With Nvidia Backing Pulse story
  3. Jul 9, 2026Nvidia Backs Paris Voice AI Startup Gradium's $100M Seed Pulse story
  4. Jul 8, 2026Raised ~$30M Seed extension TechCrunch
  5. Jul 8, 2026New investor: Eurazeo TechCrunch
Earlier changes (3)
  1. Jul 8, 2026New investor: Nvidia TechCrunch
  2. Jul 8, 2026New investor: Xavier Niel TechCrunch
  3. Jul 8, 2026New investor: FirstMark Capital TechCrunch

Funding History

1 event ยท sources dated per row
DateEventAmountValuationInvestorsSource
Jul 8, 2026Seed extension~$30Mโ€”TechCrunch

Investors

Latest Pulse

  1. AI Voice Startup Gradium Raises $100M Seed, Backed by NvidiaParis-based Gradium, a voice-AI startup spun out of French lab Kyutai, reopened its seed round to raise $100 million in total with new backer Nvidia joining, and is opening a Bay Area office to compete for AI talent.โ†’
  2. Nvidia Backs Paris Voice AI Startup Gradium's $100M SeedGradium, the Paris-based voice AI startup spun out of Kyutai, extended its seed round past $100 million with Nvidia joining seven months after launching out of stealth.โ†’
  3. Gradium Extends Voice-AI Seed to $100M With Nvidia BackingParis-based voice AI startup Gradium, spun out of French lab Kyutai, extended its seed round past $100 million after Nvidia joined as an investor alongside FirstMark, Eurazeo and Xavier Niel.โ†’

Coverage Timeline

newest first
  1. Jul 9, 2026FUNDINGAI Voice Startup Gradium Raises $100M Seed, Backed by Nvidia$100Mโ†’
  2. Jul 9, 2026FUNDINGNvidia Backs Paris Voice AI Startup Gradium's $100M Seed~$30M extension, $100M+ total seedโ†’
  3. Jul 9, 2026FUNDINGGradium Extends Voice-AI Seed to $100M With Nvidia Backing$100M+ seed (extended)โ†’

All Coverage

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Gradium FAQ

Who are Gradium's investors?

Gradium's investors include Eurazeo, FirstMark Capital, Nvidia, Xavier Niel, Amplify Partners, and 3 more (As of 2026-07-31T14:35:19Z).

Sources & methodologyshow
Where these figures come from

Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.

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