Forrester Wave Leader 2026 — enterprise voice and chat agent platform (now NiCE Cognigy).
ツール利用音声メモリRAG
Demo · hover to playPolyAI vs Vapiwhich AI support agent should you pick in 2026?
Enterprise voice assistants for call centers — natural conversations that resolve customer calls.
VoiceTool useMemoryRAG
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
PolyAI
Agent Rank
73/ 100
- 自律性
- 9
- 機能
- 8
- 連携
- 4
- 料金
- 9
- 完成度
- 7
- 検証性
- 7
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Vapi
Agent Rank
70/ 100
- 自律性
- 9
- 機能
- 6
- 連携
- 2
- 料金
- 9
- 完成度
- 6
- 検証性
- 10
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Pros & cons
PolyAI
Vapi
メリット
- +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
デメリット
- −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
PolyAI
Vapi
おすすめ
Pay-as-you-go
無料
Developers
- +$0.05/min base
- +BYO LLM provider
- +Full SDK + dashboard
Enterprise
カスタム
Production at scale
- +Volume discounts
- +Dedicated infra option
- +SLA + support
Which one should you pick?
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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.
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Adjacent agents in the same category with overlapping capabilities — worth a side-by-side glance before you commit.
- Demo · hover to play
India's sovereign multilingual voice agent — Hindi, Tamil, Bengali, Kannada and more.
音声ツール利用メモリRAGAIカスタマーサービスエージェント — チャット・メール・音声を横断してチケットを解決し、測定可能な自動解決率を実現します。
RAGツール利用メモリ音声Demo · hover to play
See more alternatives: alternatives to PolyAI · alternatives to Vapi
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