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Retell AI vs Zapier Agents: 2026 comparison

Production voice agent platform — LLM-native phone agents with low-latency streaming and per-minute pricing.

🎧SupportAutonomousPay per task
VoiceTool useMemory

7,000+ app integrations plus an AI agent layer — your existing automation stack, now with planning.

⚙️OpsSemi-autonomousFreemium · from $20
Tool useMemory

Retell AI vs Zapier Agents — specs

SpecRetell AIZapier Agents
Agent Rank72 / 100 (A)80 / 100 (A)
AutonomyAutonomousSemi-autonomous
PricingPay per task · Free tierFreemium · from $20
Open sourceNoNo
CapabilitiesVoice, Tool use, MemoryTool use, Memory
Integrations3 apps9 apps
VerifiedVerifiedVerified
ReleasedMar 2025Mar 2025

Categories: Retell AISupport · Zapier AgentsOps

Agent Rank breakdown

Retell AI
Agent Rank
72/ 100
AA-tier
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?

Zapier Agents
Agent Rank
80/ 100
AA-tier
Autonomy fit
8
Capabilities
4
Integrations
10
Pricing value
8
Polish & maturity
8
Verifiability
10

Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?

Pros & cons

Retell AI
Pros
  • +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
Cons
  • 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
Zapier Agents
Pros
  • +Largest integration catalog on the market (7,000+ apps)
  • +Familiar surface area for the millions who already use Zapier
  • +Cheap entry tier makes it the natural first agent for any small team
Cons
  • Agent capabilities are shallower than purpose-built platforms (Lindy, Relay)
  • Task math gets expensive past the Pro tier
  • Visual editor can feel cluttered for complex agentic loops

Pricing

Retell AI
Pay-as-you-go
Free
Developers
  • +~$0.07/min
  • +Production-ready API
Recommended
Scale
Custom
High-volume voice ops
  • +Volume discounts
  • +Dedicated infrastructure
  • +Custom models
Zapier Agents
Free
Free
Trial
  • +100 tasks/mo
  • +Standard agents
  • +Community support
Recommended
Pro
$20/mo
Individuals
  • +750 tasks/mo
  • +All AI features
  • +Multi-step workflows
Team
$70/mo
Small teams
  • +Shared workflows
  • +Premium apps
  • +Higher task limits
Company
Custom
Enterprise
  • +SSO + audit log
  • +Advanced admin
  • +Custom volume

Which one should you pick?

Retell AI

Pick Retell AI if cost is the main constraint or if you want the highest autonomy and the verification loop is in place.

Try Retell AI →
Zapier Agents

Pick Zapier Agents if your stack spans many tools and integration depth is the constraint.

Try Zapier Agents →

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Frequently asked

Should I pick Retell AI or Zapier Agents in 2026?+

Pick Retell AI if cost is the main constraint or if you want the highest autonomy and the verification loop is in place. Pick Zapier Agents if your stack spans many tools and integration depth is the constraint. Most working teams running both can use Retell AI for primary work and Zapier Agents for the workflows where its specific strengths matter.

What's the price difference between Retell AI and Zapier Agents?+

Retell AI starts at Pay per task · Free tier; Zapier Agents starts at Freemium · from $20. Retell AI is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.

Which is more autonomous, Retell AI or Zapier Agents?+

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.

Want the real monthly cost at your volume? Run the TCO calculator →
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