Head-to-head
AssemblyAI vs Murf AI
AssemblyAI uniquely has 6 features · Murf AI uniquely has 5 features.
The verdict
AssemblyAI or Murf AI?
Section 01
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
AssemblyAI
Free Tier
Free
Up to 185 hours pre-recorded transcription and 333 hours streaming transcription, no credit card required
Universal-3.5 Pro
$0.15/hr
Highly accurate STT model, 99 languages, 12.5M+ hours training data, no minimum commitment
Universal-3.5 Pro
$0.21/hr
Most accurate async STT model, 18 languages, native code-switching, best-in-class speaker diarization
Enterprise / Custom
Custom
Custom rate limits, enhanced concurrency, enterprise-grade flexibility, volume discounts, AWS Marketplace available
Murf AI
Free
$0/mo · $0/yr
10 projects, 10 min voice generation, 1 editor, no downloads, no commercial rights
Creator
$29/mo · $228/yr
100 projects, 24 hrs/year voice generation, 1 editor, all 200+ voices, unlimited downloads, commercial rights
Business
$99/mo · $792/yr
500 projects, 96 hrs/year voice generation, 1 editor, business license, Say It My Way, PowerPoint integration, audio to text
Enterprise
Custom
Unlimited voice generation, custom editors (5+), SSO, collaboration, AI translation, custom voice clones add-on, dedicated CSM
Pay as you go
$0.25/credit
No watermarks, 5 projects at a time
API Pay as you go
Custom
Purchased credit never expires, Upto 15 concurrent requests, Priority Support
Section 02
Pros and cons
From each tool's full review, written from the same checked facts.
AssemblyAI
Pros
- Universal-3.5 Pro model supports native code-switching across 18 languages with an exceptionally fast real-time factor of 0.008x, making it viable for demanding production environments.
- Comprehensive API-first platform that goes well beyond transcription, including speaker diarization, sentiment analysis, topic detection, entity recognition, and PII redaction.
- Pre-recorded transcription API supports 99 languages via the Universal-2 model, offering broad global coverage.
- Includes a Voice Agent API and an LLM gateway that allows routing to models like GPT or Claude within the same pipeline.
- Medical Mode is available, indicating deliberate positioning for healthcare use cases with specialized transcription needs.
- Real-time streaming transcription is supported alongside pre-recorded audio, giving developers flexibility across different application types.
- Strong adoption among developers and engineering teams, with active discussion in forums and a reported user base of millions of developers.
Cons
- No consumer-facing dashboard — users cannot simply upload an audio file and download a transcript without developer setup.
- No text-to-speech, voice cloning, or music generation capabilities, limiting use cases strictly to speech input and understanding output.
- Limited public feedback on the Medical Mode feature makes it difficult to assess its real-world accuracy and reliability.
- The product is entirely API-first, meaning non-technical buyers or small teams without engineering resources are effectively excluded.
- Code-switching in the Universal-3.5 Pro model is limited to 18 languages, which may not cover all multilingual production needs.
- The broad surface area of the platform — transcription, voice agents, LLM gateway — may introduce integration complexity for teams building simple use cases.
Murf AI
Pros
- Murf AI has earned a reputation for reliability across multiple user bases and industries, making it a trustworthy choice for voiceover production.
- The Falcon model delivers 130ms end-to-end latency for real-time TTS, making it a strong option for developers needing low-latency voice generation.
- Two distinct model tiers (Falcon for real-time and Gen2 for quality content) serve different use cases rather than forcing a one-size-fits-all approach.
- A library of 200-plus voices across 35-plus languages gives users substantial breadth for multilingual and diverse voiceover projects.
- Pitch, speed, intonation, and emphasis controls give users meaningful customization over how generated voice audio sounds.
- Business and Enterprise plans include variability controls that add natural delivery randomness, reducing the machine-stamped quality of AI voice output.
- Integrations with Canva, PowerPoint, and Google Slides align well with the presentation and design workflows its target audience actually uses.
Cons
- There is no mobile app available, which limits accessibility for users who need to work on the go.
- Murf does not offer music generation, making it unsuitable for users expecting a full audio production suite.
- The platform is browser-based with limited desktop support, which may not satisfy users who prefer native application experiences.
- Transcription is locked behind Business and higher plans, restricting access for users on lower-tier subscriptions.
- The depth of the 200-plus voice library hasn't been fully scrutinized in this review, leaving questions about consistent quality across all voices and languages.
- The platform is focused narrowly on voice, meaning users needing broader audio tools will need to supplement with other software.
Side by side
| Company | ||
| Founded | 2017 | 2020 |
| HQ | San Francisco, USA | San Francisco, USA |
| AI model | Universal-3.5 Pro (Proprietary) | Murf Falcon (real-time TTS) & Murf Gen2 (content TTS) — Proprietary |
| User base | Millions of developers | 10 million+ |
| Platforms | Web, API (all platforms via SDK) | Web, Windows App, Canva Integration, PowerPoint Plugin, Google Slides |
| Languages | 99 (Universal-2), 18 (Universal-3.5 Pro) | 35+ languages and accents |
| Pricing | ||
| Pricing model | Credit-based | Freemium |
| Free plan | Yes | Yes |
| Free trial | Yes-unlimited (free tier, no credit card required — up to 185 hours pre-recorded, 333 hours streaming) | Yes — 10 minutes of voice generation, no downloads, no commercial rights |
| Starting price | $0.15/hr | $19/mo (Creator plan) |
| Enterprise | Custom pricing with custom rate limits, enhanced concurrency, and enterprise-grade flexibility | Custom |
| Refund policy | — | 24-hour refund window with under 10 minutes usage |
| All plans | Free Tier — Free Universal-3.5 Pro — $0.15/hr Universal-3.5 Pro — $0.21/hr Enterprise / Custom — Custom | Free — $0/mo Creator — $29/mo Business — $99/mo Enterprise — Custom Pay as you go — $0.25/credit per credit API Pay as you go — Custom per credit |
| Positioning | ||
| Best for | Developers and enterprises building voice AI applications, transcription services, and voice agents | Developers, enterprises, creators, and localization teams needing scalable AI voiceovers, conversational agents, and video dubbing |
| Differentiator | Native code switching and highly accurate speaker diarization; async speech-to-text trained on 12.5M+ hours of audio | Murf combines a production-ready conversational agent platform (130ms end-to-end latency via Falcon), a full voiceover studio, and AI dubbing in 40+ languages — all built on ethically sourced voices with enterprise-grade security — at industry-leading pricing of $0.01/minute for API usage. |
| Competitors | Deepgram, OpenAI Whisper, Google Speech-to-Text, Amazon Transcribe, Rev.ai | ElevenLabs, Descript, Play.ht, Speechify, WellSaid Labs, Resemble AI |
| Features | ||
| Async Speech to Text | ✓ | — |
| Async Transcription | ✓ | — |
| Code Switching | ✓ | — |
| Multi Language Support | ✓ | — |
| Speaker Diarization | ✓ | — |
| API Access | ✓ | ✓ |
| Audio Enhancement | ✕ | ✓ |
| Batch Processing | ✓ | — |
| Commercial Rights | ✓ | ✓ |
| Languages Supported | ✓ | ✓ |
| Mobile App | ✕ | ✕ |
| Music Generation | ✕ | ✕ |
| Noise Removal | ✕ | — |
| Podcast Editing | ✕ | ✓ |
| Text to Speech | ✕ | ✓ |
| Transcription | ✓ | ✓ |
| Voice Cloning | ✕ | ✓ |
| Voice Styles | ✕ | ✓ |
| Integrations | ||
| Adobe Audition | ✕ | ✕ |
| API Access | ✓ | ✓ |
| Garageband | ✕ | ✕ |
| Key Integrations | AWS Marketplace, GPT (LLM Gateway), Claude (LLM Gateway), Gemini (LLM Gateway), Community LLM Models, Python SDK, REST API, WebSocket Streaming API | Canva, PowerPoint Plugin, Google Slides, Murf Voices for Windows Apps, Custom Integrations (Enterprise add-on) |
Section 03
AssemblyAI vs Murf AI: common questions
Is AssemblyAI or Murf AI cheaper?
AssemblyAI's cheapest paid plan is $0.15/hr and Murf AI's is $19/mo (Creator plan). Compare what each plan includes below before going on price alone.
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