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Head to head · 2026

Retell AI vs STELLA Automotive AI

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

Retell AI

Phone-call AI agents at roughly 600 milliseconds of latency

4.2Free

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

STELLA Automotive AI

Agents across a car dealership: reception, service booking, sales, recalls and win-backs

3.9Not listed

Visit STELLA Automotive AI (opens STELLA Automotive 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: Retell AI does not list a price

  • Free plan

    Retell AI

    Only Retell AI has one

  • Higher rating

    Retell AI

    4.2 against 3.9

  • Same job?

    Yes

    Both are Customer Support tools

Side by side

Compared onRetell AISTELLA Automotive AI
Our rating4.2Better3.9
Starts atFreeNot listed
Free planYesBetterNo
CategoryCustomer SupportCustomer Support
PlansFreeSee pricing
Key features
  • Roughly 600ms latency tuned specifically for phone conversations
  • Real-time function calling for bookings and payment processing
  • Batch outbound calling campaigns with branded caller ID
  • Simulation testing before an agent handles real calls
  • $10 in free credits to start
  • STELLA Reception for call handling and routing
  • STELLA Service for appointment booking
  • STELLA Sales for inquiry conversion
  • Catalyst, Equity, Lead, Recall and Defector outbound agents
  • STELLA Insights performance analytics
Pros
  • Notably fast response latency suited specifically to phone conversations
  • Pay-as-you-go entry point with free credits to start
  • Simulation testing catches issues before real-call deployment
  • Agents split by dealership motion rather than one generic assistant
  • Approved FordDirect vendor with named store results
  • Covers outbound win-backs and recalls, not only inbound
Cons
  • Per-minute pricing adds up at high call volume without careful budgeting
  • Enterprise tier requires a substantial commitment for managed deployment
  • Phone-only focus doesn't cover chat or messaging channels directly
  • No published pricing
  • The 56 percent conversion figure is a single customer's
  • Urgent service callers have low tolerance for an automated answer
CompanyRetell AI, founded 2023STELLA Automotive AI, Inc.

Prices come from each vendor's pricing page, last checked 20260814. Check the vendor before you buy.

FAQ

Questions people ask

Is Retell AI better than STELLA Automotive AI?

In our reviews Retell AI scores 4.2 and STELLA Automotive AI scores 3.9. The better pick depends on the job. Retell AI: Phone-call AI agents at roughly 600 milliseconds of latency. STELLA Automotive AI: Agents across a car dealership: reception, service booking, sales, recalls and win-backs.

Which is cheaper, Retell AI or STELLA Automotive AI?

Retell AI: free. STELLA Automotive AI: see pricing.

Do Retell AI and STELLA Automotive AI have free plans?

Only Retell AI has a free plan.

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