Alternatives · AI Agents
Ultravox alternatives
As of Nov 13, 2026, the highest-graded Ultravox alternative is Retell AI (2.4 GPA). The best free one is LiveKit Agents (2.2 GPA).
Ultravox compared with 5 alternatives: Vapi, Retell AI, LiveKit Agents, Pipecat and Bland AI.
Ultravox is a paid product with a free trial, starting at $100 per month, billed yearly. 2 of the 5 alternatives are free or have a free plan. 3 more offer a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a Ultravox sale?
At a glance
Price against what you get
Ultravox starts at $100 a month and scores 1.7 out of 4 on features, ease of use and platforms. 2 of the 2 alternatives on this chart score higher and start lower: Vapi and LiveKit Agents.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from Ultravox
Vapi
Developer platform for building and running voice AI agents
- Vapi starts at $29 per month (Core); usage-only starts at $0.05 per minute hosting.
- Vapi does not cover voice cloning, which Ultravox does.
Suits: Developers building phone agents for support, lead qualification or scheduling
Retell AI
Pay-per-minute platform for AI phone and chat agents
- Retell AI starts at $0 to start, then $0.07 to $0.31 per minute for voice agents.
- Retell AI also covers chatbots.
- Retell AI does not cover voice cloning, which Ultravox does.
Suits: Developers and agencies building phone agents for receptionist, support or lead-qualification work
LiveKit Agents
Open source framework and cloud for voice and video AI agents
- LiveKit Agents starts at $50 per month.
- LiveKit Agents has a free plan, which Ultravox lacks.
- LiveKit Agents is open source, according to its own site.
- LiveKit Agents does not cover voice cloning, which Ultravox does.
Suits: Developers building production voice agents who want hosting and models in one bill
Pipecat
Open source framework for building voice and multimodal AI agents
- Pipecat has a free plan, which Ultravox lacks.
- Pipecat is open source and self-hostable, according to its own site.
- Pipecat does not cover voice cloning, which Ultravox does.
Suits: Developers who want control over every stage of a voice agent
Bland AI
AI phone agents with one all-in per-minute rate
- Bland AI starts at $0 platform fee at $0.14 per minute; Build is $299 per month at $0.12 per minute.
- Bland AI also covers chatbots.
- Bland AI does not cover voice cloning, which Ultravox does.
Suits: Teams that want one per-minute price instead of separate model, voice and transcription bills
Limits worth knowing in Ultravox
- The site announces that Ultravox has been acquired by Inworld; future plans and pricing may change.
- The pricing page marks prices as an annual rate; a monthly-billed price is not shown.
- Pay as You Go is capped at 5 concurrent calls.
- Threads pricing is $2.00 per 1M uncached input tokens and $15.00 per 1M output tokens.
Common questions
What are the alternatives to Ultravox?
The alternatives to Ultravox in this directory are Vapi, Retell AI, LiveKit Agents, Pipecat and Bland AI. Each one has a side-by-side comparison with Ultravox.
Is there a free alternative to Ultravox?
Yes. LiveKit Agents and Pipecat have a free plan alongside paid ones.
Is there an open-source alternative to Ultravox?
LiveKit Agents and Pipecat are described as open source on their own sites.
When were these prices checked?
Each listing shows its own date. On this page they run from Nov 12, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.