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Otter.ai vs Retell AI: 2026 comparison

AI meeting agent that transcribes, summarizes, and extracts action items from every conversation.

🙋‍♂️PersonalAssistantFreemium · from $16.99
VoiceRAGMemory

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

🎧SupportAutonomousPay per task
VoiceTool useMemory

Otter.ai vs Retell AI — specs

SpecOtter.aiRetell AI
Agent Rank70 / 100 (B)72 / 100 (A)
AutonomyAssistantAutonomous
PricingFreemium · from $16.99Pay per task · Free tier
Open sourceNoNo
CapabilitiesVoice, RAG, MemoryVoice, Tool use, Memory
Integrations4 apps3 apps
VerifiedVerifiedVerified
ReleasedJan 2025Mar 2025

Categories: Otter.aiPersonal · Retell AISupport

Agent Rank breakdown

Otter.ai
Agent Rank
70/ 100
BB-tier
Autonomy fit
7
Capabilities
6
Integrations
4
Pricing value
8
Polish & maturity
7
Verifiability
10

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

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?

Pros & cons

Otter.ai
Pros
  • +Best real-time caption experience in 2026
  • +Strong personal note-taking experience — review and study-friendly
  • +Reasonable English transcription accuracy on noisy audio
Cons
  • Weaker CRM integration than Fireflies for sales workflows
  • Limited language support (6 languages) vs Fireflies (60+)
  • Free tier is restrictive (30 min × 4 conversations)
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

Pricing

Otter.ai
Basic
Free
Trial
  • +30 min × 4 convos/mo
  • +AI summary
Recommended
Pro
$16.99/mo
Individuals
  • +1200 min/mo
  • +Real-time captions
  • +Custom vocabulary
Business
$30/seat/mo
Teams
  • +6000 min/user
  • +Team workspace
  • +Admin features
Enterprise
Custom
Larger orgs
  • +SSO
  • +OCR + advanced search
  • +SOC 2
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

Which one should you pick?

Otter.ai

Pick Otter.ai if its specific capabilities (Voice, RAG) match what you need.

Try Otter.ai →
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 →

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Frequently asked

Should I pick Otter.ai or Retell AI in 2026?+

Pick Otter.ai if its specific capabilities (Voice, RAG) match what you need. Pick Retell AI if cost is the main constraint or if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Otter.ai for primary work and Retell AI for the workflows where its specific strengths matter.

What's the price difference between Otter.ai and Retell AI?+

Otter.ai starts at Freemium · from $16.99; Retell AI starts at Pay per task · Free tier. 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, Otter.ai or Retell AI?+

Retell AI is the more autonomous of the two (Autonomous vs Assistant). 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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