Bland AI is a general-purpose voice API with per-minute pricing. Duvox is purpose-built for real estate cold calling with full-duplex voice AI and self-hosted deployment.
Bland AI is a closed platform. You use their stack, their pricing, their rules. Duvox is open architecture. Bring your own LLM, TTS, and telephony provider. Switch components without rebuilding.
Bland AI uses the standard cascaded pipeline: STT, LLM, TTS. Each step adds latency. Duvox processes speech bidirectionally. Your AI agent can listen while it speaks, handle interruptions naturally, and never leave dead air.
Bland is a horizontal platform. You have to build everything yourself. Duvox ships with campaign management, lead sequences, CRM sync, appointment booking, and number rotation. All tuned for real estate outbound.
Bland AI charges per minute. At high volume (500+ calls/day), costs scale linearly. Duvox is self-hosted. Your costs are infrastructure only. The more you call, the better the unit economics.
| Feature | Duvox | Bland AI |
|---|---|---|
| Full-duplex voice | ||
| Self-hosted deployment | ||
| Per-minute pricing | ||
| Open architecture | ||
| Real estate templates | ||
| Campaign management | ||
| Lead sequences | ||
| CRM integration | Via API | |
| Number rotation | ||
| Call analytics | ||
| Inbound call handling | ||
| Custom voice cloning |
Pricing based on publicly available information as of February 2026. Subject to change.
Join the waitlist for early access. Limited spots for launch partners who want to shape the product.