AssemblyAI vs Typecast
AssemblyAI uniquely has 7 features · Typecast uniquely has 5 features.
| AssemblyAI | Typecast | |
|---|---|---|
| Company | ||
| Founded | 2017 | 2020 |
| HQ | San Francisco, USA | San Mateo, CA, USA |
| AI model | Universal-3.5 Pro (Proprietary) | Proprietary SSFM (Speech Synthesis Foundation Model) |
| User base | Millions of developers | Millions (self-reported) |
| Platforms | Web, API (all platforms via SDK) | Web, iOS, Android |
| Languages | 99 (Universal-2), 18 (Universal-3.5 Pro) | 6 flagship languages (English, Spanish, Korean, Japanese, Chinese, Vietnamese) plus wider language support |
| Pricing | ||
| Free plan | Yes | Yes |
| Free trial | Yes-unlimited (free tier, no credit card required — up to 185 hours pre-recorded, 333 hours streaming) | Yes — 5 minutes download credits/month on free plan |
| Starting price | $0.15/hr | $8.99/mo (Basic) |
| Enterprise | Custom pricing with custom rate limits, enhanced concurrency, and enterprise-grade flexibility | Custom — Enterprise Inquiries via sales contact |
| All plans | Free TierFreeUniversal-3.5 Pro$0.15/hrUniversal-3.5 Pro$0.21/hrEnterprise / CustomCustom | FreeFreeBasic$8.99/moPro$32.99/moBusiness$89.99/mo |
| Positioning | ||
| Best for | Developers and enterprises building voice AI applications, transcription services, and voice agents | Content creators, YouTubers, podcasters, and businesses needing expressive AI voiceovers with emotional control |
| Differentiator | Native code switching and highly accurate speaker diarization; async speech-to-text trained on 12.5M+ hours of audio | Typecast's proprietary SSFM delivers natural vocal variation and fine-grained emotional control across 710+ voices, combined with a built-in video editor, talking avatar tool, and voice cloning — all in one browser-based platform. |
| Competitors | Deepgram, OpenAI Whisper, Google Speech-to-Text, Amazon Transcribe, Rev.ai | ElevenLabs, Murf AI, Descript, Play.ht, Speechify |
| 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 | REST API, mobile apps (iOS/Android), browser-based editor (no third-party DAW integrations publicly listed) |