AI customer service agent — resolves tickets across chat, email, voice with measurable deflection rates.
PolyAI vs Vapiwhich AI support agent should you pick in 2026?
Enterprise voice assistants for call centers — natural conversations that resolve customer calls.
PolyAI vs Vapi — specs
| Spec | PolyAI | Vapi |
|---|---|---|
| Agent Rank | 73 / 100 (A) | 70 / 100 (B) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription · Free tier | Pay per task · Free tier |
| Open source | No | No |
| Capabilities | Voice, Tool use, Memory, RAG | Voice, Tool use, Memory |
| Integrations | 3 apps | 2 apps |
| Verified | Verified | Verified |
| Released | Sep 2024 | Feb 2025 |
Agent Rank breakdown
- Autonomy fit
- 9
- Capabilities
- 8
- Integrations
- 4
- Pricing value
- 9
- Polish & maturity
- 7
- Verifiability
- 7
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 9
- Capabilities
- 6
- Integrations
- 2
- Pricing value
- 9
- Polish & maturity
- 6
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +Most developer-friendly voice agent in 2026 — SDK-first, well documented
- +BYO model gives full cost + behavior control
- +Pay-as-you-go makes prototyping nearly free
- −You build the conversation logic — not a turnkey product
- −Voice quality depends heavily on which provider you wire in
- −Less polished than Parloa for contact-center deployments
Pricing
- +$0.05/min base
- +BYO LLM provider
- +Full SDK + dashboard
- +Volume discounts
- +Dedicated infra option
- +SLA + support
Which one should you pick?
Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick PolyAI or Vapi in 2026?+
Pick PolyAI if its specific capabilities (Voice, Tool use) match what you need. Pick Vapi if its specific capabilities (Voice, Tool use) match what you need. Most working teams running both can use PolyAI for primary work and Vapi for the workflows where its specific strengths matter.
What's the price difference between PolyAI and Vapi?+
Both PolyAI and Vapi start in the same pricing range (Subscription · Free tier vs Pay per task · Free tier). Total cost of ownership depends on your team size and volume — see the TCO calculator for your specific math.
Which is more autonomous, PolyAI or Vapi?+
Both PolyAI and Vapi are Autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.
Readers comparing PolyAI and Vapi also picked
Adjacent agents in the same category with overlapping capabilities — worth a side-by-side glance before you commit.
- RAGTool useMemoryVoiceDemo · hover to play
Branded customer-facing agents from the founders of Salesforce + Google.
VoiceTool useMemoryRAGDemo · hover to playVoice agents for contact centers — handles tier-1 calls end-to-end.
VoiceTool useMemoryDemo · hover to play