Vapi Alternatives: 7 Best Options (2026)
The best alternatives to Vapi are Retell AI, Cartesia, Bardeen, Dust, Stack AI. Compared below on price, free tier and what each is best at.
How Vapi compares
Vapi is built for voice agents, AI phone support/sales, developers. If that matches your workflow, the alternatives below help you weigh cost, features, and fit. Each of these tools tackles similar problems but with different trade-offs in price, learning curve, and specialization.
Pricing: Vapi is free (or freemium), which puts it in a minority among ai agents tools. Of the 7 alternatives shown, 6 have free options. Free tiers typically limit assets, users, or lookback—evaluate trial coverage for your deployment size.
Capabilities: Vapi includes Voice agents over phone, Real-time speech + turn-taking, Tool/function calling. These are standard in modern ai agents platforms. Compare below to see which tools differentiate on niche features (e.g., AI anomaly detection, edge computing, or mobile alerting) that matter for your operation.
Choosing the right tool: Vapi and its alternatives below trade off on price, features, ease of use, and support depth. Start by clarifying your main pain point (downtime, energy waste, compliance visibility). Request a trial with 2–3 top candidates to validate integrations and ROI before final selection.
| Tool | From | Free | Best at |
|---|---|---|---|
| Retell AI | Usage-based (per minute) | Yes | Build and deploy AI voice agents for calls. |
| Cartesia | Free | Yes | Ultra-low-latency streaming text-to-speech for real-time voice agents |
| Bardeen | $20/mo | Yes | AI automations and a browser agent for repetitive work. |
| Dust | $29/user/mo (Pro) | Yes | Build custom AI agents on your company's data. |
| Stack AI | $199/mo (Starter) | Yes | No-code platform to build AI agents and workflows on your data. |
| Make.com | $10/mo | Yes | Visual workflow automation with 1000+ app integrations. |
| Zapier Central | $25/mo | No | AI-powered automation with natural language workflow creation. |
Retell AI
Build and deploy AI voice agents for calls.
Cartesia
Ultra-low-latency streaming text-to-speech for real-time voice agents
Bardeen
AI automations and a browser agent for repetitive work.
Dust
Build custom AI agents on your company's data.
Stack AI
No-code platform to build AI agents and workflows on your data.
Make.com
Visual workflow automation with 1000+ app integrations.
Zapier Central
AI-powered automation with natural language workflow creation.
Choosing your tool: Need help choosing? All 7 tools above excel in different aspects of ai agents. Trial each in parallel to find your best fit. Updated 2026-06-12.
How we rate: ToolGlance scores combine pricing, core features, user-review signals and update frequency, compiled from public sources and vendor documentation — see our methodology. Figures are indicative and change often; always verify pricing and features on the vendor site before buying. Last updated 2026-06-12. Compiled by the ToolGlance editorial team.