What it sells
AI voice.
Business model breakdown
Buyer: who owns the budget?
UnverifiedDevelopers and product/engineering teams at companies building voice agents and voice features (hypothesis from API/docs-led product).
Trigger: what makes them buy now?
Need low-latency, natural multilingual voice (sub-50ms TTS) for real-time voice agents, translation and customer service.
Workflow: what inputs become what output?
Developer calls Gradium APIs for text-to-speech, speech-to-text, live voice-to-voice translation, voice cloning and voice design, or builds an agent via Gradbot, then pays by credits consumed.
Economics: what it saves and how it charges
Credit-based subscription: TTS 1 credit/character, STT 3 credits/second, S2S translation 30 credits/second; extra 100k credits cost $6.9 down to $3.8 by plan.
Distribution: how it reaches customers
Self-serve signup with free plan and docs, plus "Talk to us" for Enterprise.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| 2026-07-09 | Seed | $100M | — | news.google.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.