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 playCresta vs PolyAIwhich AI support agent should you pick in 2026?
Conversational AI agent assist for contact centers — coaches reps and automates after-call work in real time.
VoiceTool useMemoryRAG
Cresta vs PolyAI — specs
| Spec | Cresta | PolyAI |
|---|---|---|
| Agent Rank | 80 / 100 (A) | 73 / 100 (A) |
| Autonomy | Semi-autonomous | Autonomous |
| Pricing | Subscription · Free tier | Subscription · Free tier |
| Open source | No | No |
| Capabilities | Voice, Tool use, Memory, RAG | Voice, Tool use, Memory, RAG |
| Integrations | 4 apps | 3 apps |
| Verified | Verified | Verified |
| Released | Mar 2025 | Sep 2024 |
Agent Rank breakdown
Cresta
Agent Rank
80/ 100
- 自律性
- 8
- 機能
- 8
- 連携
- 8
- 料金
- 9
- 完成度
- 5
- 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?
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?
Pros & cons
Cresta
メリット
- +Best-in-class real-time coaching — recommendations during the call
- +Auto-summarizes calls + drafts after-call work, saving reps 5+ min per call
- +Strong deployments at Fortune 500 contact centers
デメリット
- −Enterprise-only — minimum seat counts in the hundreds
- −Implementation requires conversation-data training (4–8 weeks)
- −Augments humans rather than replacing them — different positioning than fully autonomous tier
PolyAI
Pricing
Cresta
Enterprise
カスタム
Contact centers 200+ reps
- +Real-time agent assist
- +Conversation intelligence
- +After-call work automation
PolyAI
Which one should you pick?
PolyAI
Pick PolyAI if you want the highest autonomy and the verification loop is in place.
Try PolyAI →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Cresta or PolyAI in 2026?+
Pick Cresta if its specific capabilities (Voice, Tool use) match what you need. Pick PolyAI if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Cresta for primary work and PolyAI for the workflows where its specific strengths matter.
What's the price difference between Cresta and PolyAI?+
Both Cresta and PolyAI start in the same pricing range (Subscription · Free tier vs Subscription · 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, Cresta or PolyAI?+
PolyAI is the more autonomous of the two (Autonomous vs Semi-autonomous). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.
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See more alternatives: alternatives to Cresta · alternatives to PolyAI
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