Hume AI vs Retell AI: Which is better in 2026?

Audio & Music Detailed comparison of pricing, features, ratings, and more.

Quick Comparison

Starting price
Free plan
Free plan
Pricing model
Freemium
Freemium
Category
Audio & Music
Audio & Music
Platforms
Web
Web, API
Editor rating
4.3 ★★★★☆
4.5 ★★★★★

User Reviews

Hume AI
Retell AI
G2
4.8 (1414)
Trustpilot
3.4 (3)
3.1
Product Hunt
5.0 (12)
4.7
Aggregate score
4.2
4.2

Pricing Plans

Hume AI

Free
$0/mo
Growth
$0/mo
Enterprise
Custom pricing

Retell AI

Pay
$0/mo
Enterprise
$3,000/mo)

Pros & Cons

Hume AI

Pros

  • Empathic Voice Interface detects and responds to emotional cues in real-time
  • Natural-sounding voice synthesis with adjustable emotional delivery
  • Multi-modal emotion recognition (voice, face, language) via clean APIs
  • Ethical framework (The Hume Initiative) guides responsible AI development
  • 5.0/5 rating on Product Hunt from users praising innovation and values

Cons

  • Emotion recognition accuracy is significantly better in English than other languages
  • Export options are hard to find and occasionally missing from the interface
  • Very limited review presence on established platforms (3 on Trustpilot, no G2 page)
  • API integration requires developer skills — no out-of-the-box business solution
  • Pay-per-minute pricing can become expensive for high-volume voice applications

Retell AI

Pros

  • Sub-second voice latency creates natural conversation flow that callers often can’t distinguish from humans
  • 4.8/5 G2 rating from 1,400+ reviews — one of the highest-rated voice AI platforms available
  • $10 free credits let developers prototype and test without any payment commitment
  • API-first design integrates cleanly with existing phone systems, CRMs, and scheduling tools
  • Supports multiple LLM backends including OpenAI, Anthropic, and custom models

Cons

  • Customer support is Discord-only — no email or phone support even on paid tiers
  • Advertised $0.07/min rate is misleading — real costs reach $0.11–$0.15/min with all components
  • Telephony and LLM costs are separate line items that add up quickly at scale
  • No native CRM or scheduling integrations — everything requires custom API development
  • Trustpilot rating of 3.1/5 suggests end-user experience doesn’t always match developer satisfaction

What Each Tool Does

Hume AI

Empathic AI platform with voice interfaces that understand and respond to human emotions in real-time conversations.

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Retell AI

Voice AI platform for building and deploying conversational phone agents with low latency, pay-per-minute pricing, and developer-friendly API.

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