Clinical-documentation agent that turns doctor-patient encounters into compliant EHR notes.
VoiceMemoryRAG
Demo Β· hover to playNabla vs Retell AIwhich AI support agent should you pick in 2026?
Ambient clinical agent for documentation, coding, and EHR workflows in 35+ languages.
VoiceMemoryRAG
Production voice agent platform β LLM-native phone agents with low-latency streaming and per-minute pricing.
VoiceTool useMemory
Nabla vs Retell AI β specs
| Spec | Nabla | Retell AI |
|---|---|---|
| Agent Rank | 57 / 100 (C) | 73 / 100 (A) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription | Pay per task Β· Free tier |
| Open source | No | No |
| Capabilities | Voice, Memory, RAG | Voice, Tool use, Memory |
| Integrations | 4 apps | 3 apps |
| Verified | β | Verified |
| Released | Apr 2025 | Mar 2025 |
Agent Rank breakdown
Nabla
Agent Rank
57/ 100
- Autonomy
- 9
- Capabilities
- 6
- Integrations
- 2
- Pricing
- 4
- Polish
- 7
- Verifiability
- 6
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Retell AI
Agent Rank
73/ 100
- Autonomy
- 9
- Capabilities
- 6
- Integrations
- 4
- Pricing
- 9
- Polish
- 6
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
Nabla
Pros
- +$70M Series C; 85K+ clinicians across 150+ orgs including 24K at Permanente
- +35+ languages out of the box β strongest multilingual clinical scribe
- +Partnership with Yann LeCun's AMI Labs for agentic clinical roadmap
Cons
- βEU-headquartered (Paris) β US Epic UGM relationship not as deep as Abridge
- βPricing not public β sales-led motion
- βSmaller US health-system case-study library than Abridge/Suki
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
- βLess polished out-of-the-box than Synthflow for non-technical buyers
- βDocumentation and tooling still maturing vs ElevenLabs
- βVoice quality varies by model selection
Pricing
Nabla
Solo
Custom
Independent clinicians
- +Ambient documentation
- +35+ languages
- +Standard EHR sync
Recommended
Group
Custom
Practices + clinics
- +Multi-clinician shared workspaces
- +Full EHR integration
- +Specialty templates
Enterprise
Custom
Health systems
- +Custom workflows
- +AMI Labs agentic roadmap
- +Strategic CS
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?
Retell AI
Pick Retell AI if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy.
Try Retell AI βAffiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Nabla or Retell AI in 2026?+
Pick Nabla if its specific capabilities (Voice, Memory) match what you need. Pick Retell AI if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy. Most working teams running both can use Nabla for primary work and Retell AI for the workflows where its specific strengths matter.
What's the price difference between Nabla and Retell AI?+
Nabla starts at Subscription; Retell AI starts at Pay per task Β· Free tier. Retell AI is the cheaper entry option. For team deployments the TCO can differ β use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, Nabla or Retell AI?+
Both Nabla and Retell AI are Autonomous agents β neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.
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Enterprise voice assistants for call centers β natural conversations that resolve customer calls.
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RAGTool useMemoryVoiceDemo Β· hover to play
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