Zensia vs Retell AI: the Digital Worker ready to work
Zensia and Retell AI both run AI voice agents on the phone, but they meet you at different points. Retell AI is a voice-agent platform for builders: a flow builder plus a developer API where you assemble the agent, choose the model and voice, and connect your own telephony. Zensia is a ready-to-deploy Digital Worker: memory, a knowledge base, scheduling, messaging, live transfer and multilingual telephony all ship working, so you go live in minutes without building the agent yourself.
Which one is right for you?
Choose Zensia
- You want a working Digital Worker live in minutes, no engineering
- You need real multilingual + Hindi/Hinglish code-switching
- You're phone-first and want Indian & global numbers built in
- You want memory, knowledge base, scheduling & integrations out of the box
Choose Retell AI
- You want to design and fine-tune your own agent flows
- You want API-level control over model, voice and telephony
- You're comfortable with usage-based per-minute pricing
Zensia vs Retell AI, side by side

A working Digital Worker vs. a builder
Retell AI gives you the pieces to build an agent: a flow builder for branching logic and an API with control over the model, voice, telephony and webhooks. That's great if designing and tuning your own agent is the project you want.
Zensia gives you the finished thing. Your Digital Worker arrives already built for the job (sales, calls and live demos) with memory, knowledge, scheduling, messaging and transfer all working. You configure an employee, not a pipeline.
Live in minutes, not a build
Zensia is a no-code flow: connect your CRM, calendar and inbox, set your agent's goals, deploy, and scale. Agents go live in minutes, with no developer needed at any step.
With Retell AI you first design the conversation flows, choose and connect your language model, voice and telephony, then test the whole thing together before it's live.
Genuinely multilingual, including Hinglish
Zensia supports 90+ languages with native-level fluency and handles natural code-switching, the mid-sentence Hindi-to-English shifts (“Hinglish”) that happen on real Indian business calls. Because Zensia owns its integrated voice+language engine, that quality is consistent out of the box.
This depth of Indian-language handling is where Zensia is positioned most differently, and it's a core product decision rather than a setting to tune.
Phone numbers built in
Zensia provisions numbers inside the platform: TRAI-compliant Indian mobile and landline numbers, plus international toll-free and local numbers across 80+ countries, so a customer dialing a familiar local number reaches a Digital Worker that answers in their language.
With Retell AI you connect your own telephony (Twilio, Vonage or your own SIP) and manage that account yourself.
Everything the agent needs, already working
Out of the box, a Zensia agent can remember callers across conversations, answer from your own documents (built-in knowledge base), book meetings, send SMS, email and WhatsApp, and transfer live to a human when it matters, with reliability engineering (circuit breakers on tool calls) so a flaky integration never stalls a conversation.
It also plugs straight into Slack, Zapier, Cal.com and email with no code, so the Digital Worker slots into the workflow you already run.
Pricing you can budget
Retell AI prices per minute: its voice engine, your language model and your telephony are each metered, so the total scales with usage and each piece is billed separately.
Zensia uses a simple SaaS structure: start free with 30 minutes, then monthly or annual plans that include a set number of minutes (10% off annual), with top-ups when you need more, one predictable bill. See the current plans on the pricing page.
Pick by what you actually need
Zensia is the fit if
- You want a Digital Worker live without hiring developers
- Your customers speak Hindi, other Indian languages, or code-switch
- You're calling into or out of India and want compliant numbers
- You want memory, knowledge, scheduling & integrations included
- You want one predictable subscription, not usage-based per-minute math
Retell AI is the fit if
- You want to design and fine-tune your own agent flows
- You want API-level control over model, voice and telephony
- Usage-based per-minute pricing suits your volume
Zensia vs Retell AI, common questions
Is Zensia a good alternative to Retell AI?
Yes, Zensia is ideal if you want a working AI voice agent without building it yourself, or if you need genuine multilingual and Indian-market telephony that ships built in. Memory, knowledge base, scheduling, messaging and transfer are all ready out of the box.
Does Zensia support Indian languages and TRAI-compliant numbers?
Yes, Zensia is purpose-built for it: 90+ languages with Hindi/Hinglish code-switching, and TRAI-compliant Indian numbers provisioned inside the platform alongside numbers in 80+ countries.
Which is easier to set up?
Zensia is designed for no-code deployment in minutes: connect your tools, set goals, go live. With Retell AI you first design the flows and connect your model, voice and telephony before the agent is live.
How is Zensia priced compared to Retell AI?
Retell AI is usage-based per minute, with its voice engine plus your language model and telephony billed separately. Zensia starts free with 30 minutes, then simple plans with included minutes and top-ups, one predictable bill that's easy to budget.
Can Zensia's agent take actions during a call?
Yes, out of the box it can book meetings, send SMS/email/WhatsApp, search your knowledge base, remember callers, and transfer live to a human, and it integrates with Slack, Zapier and Cal.com with no code.
See a Zensia Digital Worker in action.
Book a live demo, or talk to a Zensia agent right now on our live demo, in Hindi, English and 90+ languages.