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 Retell AIwhich AI support agent should you pick in 2026?
Enterprise voice assistants for call centers — natural conversations that resolve customer calls.
VoiceTool useMemoryRAG
PolyAI vs Retell AI — specs
| Spec | PolyAI | Retell AI |
|---|---|---|
| Agent Rank | 73 / 100 (A) | 73 / 100 (A) |
| 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 | 3 apps |
| Verified | Verified | Verified |
| Released | Sep 2024 | Mar 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?
Retell AI
Agent Rank
73/ 100
- 自律性
- 9
- 機能
- 6
- 連携
- 4
- 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
Retell AI
メリット
- +Lowest per-minute pricing among production voice agent platforms
- +Strong streaming latency (~300ms) competitive with ElevenLabs
- +Per-minute pricing easier to forecast than per-seat
デメリット
- −Less polished out-of-the-box than Synthflow for non-technical buyers
- −Documentation and tooling still maturing vs ElevenLabs
- −Voice quality varies by model selection
Pricing
PolyAI
Retell AI
Pay-as-you-go
無料
Developers
- +~$0.07/min
- +Production-ready API
おすすめ
Scale
カスタム
High-volume voice ops
- +Volume discounts
- +Dedicated infrastructure
- +Custom models
Which one should you pick?
Retell AI
Pick Retell AI if its specific capabilities (Voice, Tool use) match what you need.
Try Retell AI →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick PolyAI or Retell AI in 2026?+
Pick PolyAI if its specific capabilities (Voice, Tool use) match what you need. Pick Retell AI if its specific capabilities (Voice, Tool use) match what you need. Most working teams running both can use PolyAI for primary work and Retell AI for the workflows where its specific strengths matter.
What's the price difference between PolyAI and Retell AI?+
Both PolyAI and Retell AI 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 Retell AI?+
Both PolyAI and Retell AI 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 Retell AI
Want the real monthly cost at your volume? Run the TCO calculator →
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