Forrester Wave Leader 2026 — enterprise voice and chat agent platform (now NiCE Cognigy).
Tool useVoiceMemoryRAG
Demo · hover to playPolyAI vs Sakana 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 Sakana AI — specs
| Spec | PolyAI | Sakana AI |
|---|---|---|
| Agent Rank | 73 / 100 (A) | 63 / 100 (B) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription · Free tier | Subscription |
| Open source | No | No |
| Capabilities | Voice, Tool use, Memory, RAG | Tool use, Memory, RAG, Multi-agent |
| Integrations | 3 apps | 3 apps |
| Verified | Verified | — |
| Released | Sep 2024 | Sep 2025 |
Agent Rank breakdown
PolyAI
Agent Rank
73/ 100
- Autonomy
- 9
- Capabilities
- 8
- Integrations
- 4
- Pricing
- 9
- Polish
- 7
- Verifiability
- 7
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Sakana AI
Agent Rank
63/ 100
- Autonomy
- 9
- Capabilities
- 8
- Integrations
- 4
- Pricing
- 4
- Polish
- 7
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
PolyAI
Sakana AI
Pros
- +$135M Series B Nov 2025 at $2.65B valuation — Japan's breakout agent player
- +Production at MUFG, SMFG + Japan defense (ATLA contract)
- +Native Japanese-language strength — top of "AI エージェント" SERPs
Cons
- −Enterprise sales motion only — no self-serve
- −US/EU presence early stage; brand recognition mostly in APAC
- −Limited public benchmarks vs Western multi-agent competitors
Pricing
PolyAI
Sakana AI
Pilot
Custom
Enterprise pilots
- +TRINITY multi-agent orchestration
- +1 use case
- +JP support team
Recommended
Production
Custom
Japanese enterprises
- +Unlimited use cases
- +Finance underwriting agents
- +On-prem + sovereign deployment
Defense
Custom
Government
- +ATLA-grade security
- +Air-gapped deployment
- +Dedicated engineering team
Which one should you pick?
PolyAI
Pick PolyAI if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy.
Try PolyAI →Sakana AI
Pick Sakana AI if its specific capabilities (Tool use, Memory) match what you need.
Try Sakana AI →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick PolyAI or Sakana AI in 2026?+
Pick PolyAI if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy. Pick Sakana AI if its specific capabilities (Tool use, Memory) match what you need. Most working teams running both can use PolyAI for primary work and Sakana AI for the workflows where its specific strengths matter.
What's the price difference between PolyAI and Sakana AI?+
PolyAI starts at Subscription · Free tier; Sakana AI starts at Subscription. PolyAI is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, PolyAI or Sakana AI?+
Both PolyAI and Sakana AI 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 Sakana AI also picked
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.
VoiceTool useMemoryRAGAI customer service agent — resolves tickets across chat, email, voice with measurable deflection rates.
RAGTool useMemoryVoiceDemo · hover to play
See more alternatives: alternatives to PolyAI · alternatives to Sakana AI
Want the real monthly cost at your volume? Run the TCO calculator →
← Build your own comparison