Castmagic vs Retell AI: Which is better in 2026?

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

Quick Comparison

Starting price
$23/mo
Free plan
Pricing model
Paid
Freemium
Category
Audio & Music
Audio & Music
Platforms
Web
Web, API
Editor rating
4.5 ★★★★★
4.5 ★★★★★

User Reviews

Castmagic
Retell AI
G2
4.8 (1414)
Capterra
5.0
Trustpilot
3.1
Product Hunt
4.7
Aggregate score
5.0 🏆 Winner
4.2

Pricing Plans

Castmagic

Starter
$23/mo
Growth
$49/mo
Professional
$99/mo

Retell AI

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

Pros & Cons

Castmagic

Pros

  • Generates multiple content assets from a single recording in minutes
  • Magic Chat allows conversational refinement of AI-generated outputs
  • Custom workflows standardize content production across episodes
  • Transcription accuracy is strong, especially for English-language content
  • Time savings of 75%+ on post-production tasks reported by users

Cons

  • No direct integration with podcast hosts like Buzzsprout — requires manual copy-paste
  • Processing can be slow for recordings longer than 60 minutes
  • YouTube link uploads are sometimes non-functional, limiting input options
  • Transcription accuracy drops with heavy accents or background noise
  • No free plan — paid subscription required to access any features

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

Castmagic

AI platform that transforms audio and video recordings into transcripts, show notes, social posts, newsletters, and other content assets automatically.

Read full review →

Retell AI

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

Read full review →

Our Verdict

Based on aggregated ratings across G2, Capterra, Trustpilot, and Product Hunt, Castmagic comes out slightly ahead with a combined score of 5.0. That said, the right choice depends on your specific needs — read each full review to compare features in detail.

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