Deepgram vs PolyAI: Which Should You Choose in 2026?
Choosing between Deepgram and PolyAI comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Deepgram
Enterprise Voice AI: STT, TTS & Agent APIs for accurate, realistic, and cost-effective voice solutions.
Best for you if:
- • You want the higher-rated option (8.8/10 vs 0.0/10)
- • You want to try before committing
- • You need transcription features specifically
- • AI speech-to-text API
- • Fast, accurate transcription
PolyAI
The world's most lifelike voice AI agents for enterprise customer service.
Best for you if:
- • You need ai voice features specifically
- • Deploys lifelike voice AI agents for scalable enterprise customer service.
- • Offers omnichannel deployment (voice, chat, SMS) from a single custom agent build.
| At a Glance |  Deepgram |  PolyAI |
|---|---|---|
Price | Free + Paid | Paid |
Best For | Transcription | AI Voice |
Rating | 88/100 | —/100 |
| Feature | Deepgram | PolyAI |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Editorial Score | 88 | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | TranscriptionAI Voice | AI VoiceAI Agents |
How Deepgram and PolyAI Compare
Deepgram
Enterprise Voice AI: STT, TTS & Agent APIs for accurate, realistic, and cost-effective voice solutions.
Free tier available · 88/100 score
PolyAI
The world's most lifelike voice AI agents for enterprise customer service.
Paid
Deepgram is a transcription tool. PolyAI is in ai voice.
Who Should Use What?
On a budget?
Deepgram has a free tier. PolyAI is paid only.
Go with: Deepgram
Want the highest-rated option?
Deepgram scores 88/100. PolyAI is unrated.
Go with: Deepgram
Value user reviews?
Neither has user reviews yet.
Go with: Deepgram
3 Questions to Help You Decide
What's your budget?
Deepgram is freemium. PolyAI is paid. Deepgram lets you start free.
What's your use case?
Deepgram is a transcription tool. PolyAI is in ai voice. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Deepgram
- Higher score: 88/100 vs unrated
- Free tier available
- Our pick for this comparison
PolyAI
- Better fit for ai voice
The Bottom Line
Deepgram (88/100) is our pick.
Frequently Asked Questions
Is Deepgram or PolyAI better?
Deepgram scores 88/100 in our evaluation. Deepgram is freemium and PolyAI is paid.
What are Deepgram and PolyAI used for?
Deepgram: Enterprise Voice AI: STT, TTS & Agent APIs for accurate, realistic, and cost-effective voice solutions.. PolyAI: The world's most lifelike voice AI agents for enterprise customer service..
What does Deepgram cost vs PolyAI?
Deepgram is freemium (free tier + paid plans). PolyAI is a paid tool. Visit their websites for detailed pricing.