Pricing
- Most accurate speech-to-text model
- Supports multiple languages
- Highly accurate
- Trained on over 12.5 million hours of audio data
- Fastest path to working voice agents
- Built on Realtime Speech-to-Text API
- Transcribe live audio with ultra-low latency
- Best-in-class accuracy
Pricing from the official site, verified Jun 2026. Always confirm current prices on the vendor site.
Pros & cons Listof.Best analysis
Pros
- API with speaker labels and timestamps
- Offers summarization, sentiment, and topic detection
- Usage-based pricing fits small and large workloads
- SDKs for Python, JavaScript, and more
- Free tier covers development and testing volume
Cons
- Accuracy strongest for English; other languages vary
- No listed third-party integrations
- Primarily developer-facing, not a consumer UI
What users say Editorial summary
AssemblyAI is commonly used by developers who need to add speech-to-text and audio analysis to their own products without building the underlying models. A frequently noted strength is the breadth of audio intelligence features — transcription, summarization, sentiment, and chapter detection — available through a single API call. A common limitation is that accuracy is most competitive for English content, and the service is entirely API-driven with no consumer-facing interface.
Editorial summary based on public information — Listof.Best does not yet have enough verified user reviews to show a rating.
Best for: Developers building transcription or audio-intelligence features into applications
AssemblyAI vs Otter.ai
| AssemblyAI | Otter.ai | |
|---|---|---|
| Pricing | Freemium | Paid |
| Price from | $0.15/mo | $19.99/mo |
| Free tier | Yes | No |
| API | Yes | Waitlist |
| Open source | No | No |
| Platforms | Web | API |
| Models | Assemblyai | Otter |
| Context window | 8k | 8k |
| Launched | 2017 | 2016 |
| Languages | 99 languages | — |
| Integrations | — | Slack, Zoom, Salesforce +8 more |
Listof.Best analysis Compared with Otter.ai, AssemblyAI starts at $0.15/mo and offers a free tier.
Top alternatives to AssemblyAI See all alternatives →
Otter.ai
transcriptionTranscription de réunions en direct avec résumés automatiques et points d'action
AI Transcriptions by Riverside
transcriptionEnregistrez des podcasts à distance en qualité studio avec transcription automatique
Jammable
transcriptionCréez des reprises musicales avec des modèles de voix IA
Audimee
transcriptionConversion vocale IA et création de reprises
Podwise
transcriptionRésumés, transcriptions et prises de notes de podcasts
Convert audio and video to text online for free
transcriptionTranscrivez audio et vidéo en texte
FAQ
How much does AssemblyAI cost?
AssemblyAI uses a freemium pricing model, with paid plans from $0.15/mo, and it offers a free tier.
Does AssemblyAI have an API?
Yes — AssemblyAI offers an API for integration.
What are the best alternatives to AssemblyAI?
Popular alternatives include Otter.ai, AI Transcriptions by Riverside, Jammable.
Verified Jun 2026
Specs
| Pricing | Freemium |
|---|---|
| Price from | $0.15/mo |
| Free tier | Yes |
| API | Yes |
| Open source | No |
| Platforms | Web |
| Models | Assemblyai |
| Languages | 99 languages |
| Context window | 8k |
| Launched | 2017 |
| Popularity rank | #93 |