Synthflow
- Visual no-code builder
- Enterprise scoping of routing and escalation
Synthflow vs Retell AI
Synthflow is no-code AI voice agent platform sold on enterprise contracts; Retell AI is developer platform for building AI voice agents for phone calls. Here they are side by side from their own pricing pages, with VYZR as a third option for Gulf teams.
Side by side
| Synthflow | Retell AI | VYZR | |
|---|---|---|---|
| Entry price | Not published; annual enterprise agreement | $0.07–$0.31 per minute, pay as you go | $149/mo Starter (400 min), $349 Pro (1,000 min, WhatsApp), $699 Ultra |
| How you pay | Annual contract scoped on volume, telephony and integrations | $0.055/min voice infrastructure + chosen LLM + chosen voice; telephony from $0.015/min | Plan with AI minutes; overage $0.16–$0.23/min; Meta WhatsApp rates passed through with no markup |
| Channels | Phone calls; WhatsApp listed as an integration use case | Phone calls (voice); chat agents | Phone calls, WhatsApp, web chat (one agent, shared memory) |
| Arabic | Not stated on the pricing page; check with the vendor | Arabic listed (ar-SA); forum users request other dialects | Arabic and English; Gulf Arabic (Khaleeji) tested on production calls; 100+ languages |
| Via integration (details not published) | Not native; via third-party connectors | Native, official WhatsApp Business API (official Meta partner) | |
| Phone calls | Core product | Core product; 20 concurrent calls included, +$8 per extra | Core product: inbound and outbound, warm and cold transfers, UAE numbers on e& and du |
| Setup | Sales-led onboarding; no free plan or trial | Self-serve for developers | Build it yourself, or the VYZR team sets it up |
Where each one is strong
Retell AI
- Transparent per-component pricing and $10 free credit
- 20 concurrent calls included on pay-as-you-go
- Wide choice of models and voices, SIP at no charge
Synthflow or Retell AI?
Pick Synthflow if visual no-code builder matters most. Pick Retell AI if transparent per-component pricing and $10 free credit matters more. Watch for: no public prices, free plan or trial (Synthflow); you build, test and maintain the agent yourself (Retell AI).
VYZR puts phone calls, WhatsApp and web chat on one agent with shared memory, answers in Arabic and English, and can be set up for you, so you do not need engineers to run it.
Synthflow vs Retell AI: questions
Which is cheaper, Synthflow or Retell AI?
Synthflow: Not published; annual enterprise agreement. Retell AI: $0.07–$0.31 per minute, pay as you go. The real cost depends on your volume and add-ons.
Which one supports Arabic?
Synthflow: Not stated on the pricing page; check with the vendor. Retell AI: Arabic listed (ar-SA); forum users request other dialects.
Is there an option that does calls and WhatsApp together?
Yes. VYZR runs phone calls, WhatsApp and web chat on one AI agent with shared memory, in Arabic and English.
More on each one
VYZR vs SynthflowVYZR vs Retell AISynthflow alternativesRetell AI pricingRetell AI alternatives
Where these facts come from
- Synthflow pricing · checked 2026-11-09
- Retell AI pricing · checked 2026-11-09
- Retell AI language docs · checked 2026-11-09
- VYZR pricing
Vendors change prices and features often. Confirm current details with each vendor before you buy, and tell us at info@vyzr.ai if anything here is out of date.
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