Free
Free
- Pre-recorded transcription hours
- 185
- Streaming transcription hours
- 333
- New streaming connections per minute
- 5
- Up to 185 hours pre-recorded transcription
- Up to 333 hours streaming transcription
- No credit card required
Speech AI platform offering APIs for speech-to-text, speech understanding, and text-to-speech.
AssemblyAI is a speech AI platform that provides APIs and models for transcribing and understanding voice data. Developers and companies use it to build voice agents, AI notetakers, call analytics, medical transcription, dictation, and agent assist tools. Its main products include pre-recorded, realtime, and sync speech-to-text APIs, a speech understanding API, guardrails and safety tools, an LLM gateway, a dictation API, and a text-to-speech API, plus a self hosted voice AI cloud. It supports 99 languages. The platform is sold through pricing plans and a sign-up flow for developers.
Free
-
Customcontact sales
Prices in USD, as shown by assemblyai.com. Source: pricing page. Last checked October 29, 2026.
Copy the prompt below and paste it into the agent you already use. It has the plans and prices from this page and asks you the right questions first.
I want to decide whether AssemblyAI (assemblyai.com) is the right tool and which plan to pick. Below is what the StableMRR pricing directory read from AssemblyAI's own pricing page (last checked 2026-10-29). It can be out of date, so treat it as a starting point. Category: AI agents / AI voice and audio What it does: Speech AI platform offering APIs for speech-to-text, speech understanding, and text-to-speech. Plans: - Free: Free. Limits: Pre-recorded transcription hours 185, Streaming transcription hours 333, New streaming connections per minute 5. Includes: Up to 185 hours pre-recorded transcription, Up to 333 hours streaming transcription, No credit card required - Pay as you go: -. Limits: Starting streaming sessions per minute 100. Includes: Usage-based pricing, No minimum commitments, Automatic scaling concurrency - Custom: Contact sales. Includes: Custom rate limits, Enhanced concurrency, Enterprise-grade flexibility Alternatives in the directory: ElevenLabs, 8call, AIVA, AiVOOV Pricing page: https://www.assemblyai.com/pricing Directory listing: https://stablemrr.com/p/assemblyai-com First ask me three short questions about my team size, budget and what I need it for. Then recommend one plan, tell me what could make it a bad fit, and compare it with the alternatives. Finish with what I should check on the vendor's site before I pay.
No price changes recorded since we started tracking on October 29, 2026.
| Product | Category | Free plan | Paid from | Plans | Checked |
|---|---|---|---|---|---|
| ElevenLabsRealistic AI voice generation | AI voice and audio | Yes | $6/mo | 7 | Oct 29, 2026 |
| 8callAI receptionist that answers business calls, qualifies callers, and books appointments around the clock. | AI voice and audio | No | $99/mo | 3 | Oct 29, 2026 |
| AIVAAI music generation assistant that creates original songs in over 250 styles from text or audio inputs. | AI voice and audio | Yes | - | 3 | Oct 29, 2026 |
| AiVOOVConverts written text into AI-generated voiceovers in many languages and voices for videos, podcasts and e-learning. | AI voice and audio | No | $14.90/mo | 5 | Oct 29, 2026 |
| Aimi SessionBrowser-based music studio where an AI producer builds editable multi-track sessions from prompts. | AI voice and audio | Yes | - | 1 | Oct 29, 2026 |
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How this page was made. Plans and prices are read automatically from assemblyai.com's public pricing page, checked against the page text, and re-checked about every week. Method. Something wrong? Tell us.