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Head to head · 2026

PolyAI vs SoundHound AI

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

PolyAI

A proprietary voice model trained on over a billion enterprise calls

4.3Not listed

Visit PolyAI (opens PolyAI in a new tab)

SoundHound AI

Voice-native AI agents behind drive-thrus, call centres and car dashboards

4.3Not listed

Visit SoundHound AI (opens SoundHound AI in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: PolyAI does not list a price

  • Free plan

    Tie

    Neither has one

  • Higher rating

    Tie

    4.3 against 4.3

  • Same job?

    Yes

    Both are Customer Support tools

Side by side

Compared onPolyAISoundHound AI
Our rating4.34.3
Starts atNot listedNot listed
Free planNoNo
CategoryCustomer SupportCustomer Support
PlansSee pricingSee pricing
Key features
  • Proprietary Raven model trained on 1 billion-plus enterprise conversations
  • No-code Agent Builder and developer SDK on one runtime
  • Wide industry coverage across healthcare, retail, hospitality, and more
  • SOC 2, HIPAA, GDPR, and PCI DSS compliance
  • No self-serve free tier
  • OASYS voice-native conversational AI platform
  • Amelia enterprise agents that listen, reason and act
  • Autonomics for IT service management automation
  • Smart Ordering, Smart Answering and Dynamic Drive-Thru
  • Houndify developer platform for custom assistants
Pros
  • Purpose-built voice model trained at genuine enterprise scale
  • Natural, non-robotic conversation quality specifically emphasized
  • Both no-code and developer paths on the same underlying platform
  • Built voice-first, which is what keeps drive-thru latency workable
  • Public company with 400+ patents behind the speech stack
  • Covers packaged applications and a developer platform
Cons
  • No free tier or transparent self-serve pricing
  • Enterprise sales process required to evaluate
  • Broad industry coverage means less narrow vertical specialization than some competitors
  • Demo-only pricing across every product
  • Deployment is an integration project, not a signup
  • Accuracy still varies with accent and background noise
CompanyPolyAI, founded 2017SoundHound AI, Inc.

Prices come from each vendor's pricing page, last checked 20260817. Check the vendor before you buy.

FAQ

Questions people ask

Is PolyAI better than SoundHound AI?

In our reviews PolyAI scores 4.3 and SoundHound AI scores 4.3. The better pick depends on the job. PolyAI: A proprietary voice model trained on over a billion enterprise calls. SoundHound AI: Voice-native AI agents behind drive-thrus, call centres and car dashboards.

Which is cheaper, PolyAI or SoundHound AI?

PolyAI: see pricing. SoundHound AI: see pricing.

Do PolyAI and SoundHound AI have free plans?

Neither lists a free plan.

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