Comparison tool
Compare AI tools side by side
Prices in each vendor’s own unit, features with the quote behind them, and the date every fact was read.
Pick two to four products. The address bar keeps your selection, so you can share the link.
Price and billing
| SynthflowVoice agents | Bland AIVoice agents | PolyAIVoice agents | |
|---|---|---|---|
| Free plan | Not verified | Not verified | Not verified |
| Free trial | Not verified | 2 credits plus an inbound number on signup, no card required | Self-serve signup; first agent can be built free; limits and duration not published |
| Starts at | From $30,000/year | From $0.14 per minute talk time, telephony extra | Contact sales |
| Billing model | subscription | subscription + per minute | Custom quote |
| Enterprise | Contact sales | Contact sales | Contact sales |
| Checked | 16 October 2026 | 16 October 2026 | 16 October 2026 |
| Official pricing | Open | Open | Open |
These products bill in different ways, so their starting prices are not directly comparable. Work out a normal month in each one’s own unit.
Features
Confirmed on the vendor’s site Vendor says it is not offered Not verified (not the same as no)
| Feature | Synthflow | Bland AI | PolyAI |
|---|---|---|---|
| Website chat widget | Not verified | Yes | Yes |
| Learns from your content | Yes | Yes | Not verified |
| Document upload | Not verified | Yes | Not verified |
| Voice conversation | Yes | Yes | Yes |
| Phone calls | Yes | Yes | Yes |
| Takes actions on its own | Yes | Yes | Yes |
| Hand-off to a person | Yes | Yes | Yes |
| Developer API | Yes | Yes | Yes |
| Integrations | Yes | Yes | Yes |
| CRM connection | Yes | Yes | Yes |
| Books appointments | Yes | Yes | Not verified |
| Multiple languages | Yes | Yes | Yes |
| Analytics | Yes | Yes | Yes |
| Remove branding | Yes | Not verified | Not verified |
| Enterprise controls | Yes | Yes | Yes |
Hover a mark to see the quote it is based on. Rows where nothing could be verified are hidden.
Plans
Synthflow
Enterprise
Contracts start at $30,000 annually · Custom concurrency planning · Synthflow Native Telephony, SIP trunking, or approved enterprise telephony
$30,000/year
Bland AI
Start
$0.14/min talk time · $0.05/min transfer time · 100 calls/day, 100 calls/hour · 10 concurrent calls · 1 voice · 10 knowledge bases
Free
Build
$0.12/min talk time · $0.04/min transfer time · 2,000 calls/day, 1,000 calls/hour · 50 concurrent calls · 5 voices · 50 knowledge bases
$299/month per account
Enterprise
Custom talk and transfer rates · Unlimited daily and hourly caps · Unlimited voices and knowledge bases
Contact sales
Usage charges
- Talk time (Start): $0.14 per minute
- Transfer time (Start): $0.05 per minute
- Talk time (Build): $0.12 per minute
- Transfer time (Build): $0.04 per minute
PolyAI
No public prices. Pricing is by quote from the vendor's sales team.
SpideyChat makes a website chat assistant and is listed in this directory alongside other products. We are not affiliated with, sponsored by or endorsed by any other company named here, and their names and trademarks belong to them. Facts are read from each vendor’s own pages on the date shown and can change; check the vendor’s site before you buy. Spotted something out of date? Email support@spideychat.com.