Cresta vs Retell AI: 2026 comparison
Conversational AI agent assist for contact centers — coaches reps and automates after-call work in real time.
Cresta vs Retell AI — specs
| Spec | Cresta | Retell AI |
|---|---|---|
| Agent Rank | 78 / 100 (A) | 72 / 100 (A) |
| Autonomy | Semi-autonomous | Autonomous |
| Pricing | Subscription · Free tier | Pay per task · Free tier |
| Open source | No | No |
| Capabilities | Voice, Tool use, Memory, RAG | Voice, Tool use, Memory |
| Integrations | 4 apps | 3 apps |
| Verified | Verified | Verified |
| Released | Mar 2025 | Mar 2025 |
Agent Rank breakdown
- Autonomy fit
- 8
- Capabilities
- 8
- Integrations
- 8
- Pricing value
- 9
- Polish & maturity
- 4
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 9
- Capabilities
- 6
- Integrations
- 4
- Pricing value
- 9
- Polish & maturity
- 5
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +Best-in-class real-time coaching — recommendations during the call
- +Auto-summarizes calls + drafts after-call work, saving reps 5+ min per call
- +Strong deployments at Fortune 500 contact centers
- −Enterprise-only — minimum seat counts in the hundreds
- −Implementation requires conversation-data training (4–8 weeks)
- −Augments humans rather than replacing them — different positioning than fully autonomous tier
- +Lowest per-minute pricing among production voice agent platforms
- +Strong streaming latency (~300ms) competitive with ElevenLabs
- +Per-minute pricing easier to forecast than per-seat
- −Less polished out-of-the-box than Synthflow for non-technical buyers
- −Documentation and tooling still maturing vs ElevenLabs
- −Voice quality varies by model selection
Pricing
- +Real-time agent assist
- +Conversation intelligence
- +After-call work automation
- +~$0.07/min
- +Production-ready API
- +Volume discounts
- +Dedicated infrastructure
- +Custom models
Which one should you pick?
Pick Retell AI if you want the highest autonomy and the verification loop is in place.
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Frequently asked
Should I pick Cresta or Retell AI in 2026?+
Pick Cresta if its specific capabilities (Voice, Tool use) match what you need. Pick Retell AI if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Cresta for primary work and Retell AI for the workflows where its specific strengths matter.
What's the price difference between Cresta and Retell AI?+
Both Cresta and Retell AI start in the same pricing range (Subscription · Free tier vs Pay per task · Free tier). Total cost of ownership depends on your team size and volume — see the TCO calculator for your specific math.
Which is more autonomous, Cresta or Retell AI?+
Retell AI is the more autonomous of the two (Autonomous vs Semi-autonomous). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.