# AssemblyAI

> APIs for converting audio to text and building voice-driven applications with real-time and recorded processing

- **Canonical URI:** https://www.vioscale.ai/software/assemblyai
- **Category:** Speech To Text
- **Homepage:** https://www.assemblyai.com/
- **Also known as:** assemblyai
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-19T21:40:02.980Z

## Vioscale score

**80.2 / 100**, confidence 60% (medium). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 80 | 0.052 | 4.2 | ✓ |
| reliability | 95 | 0.073 | 6.9 | ✓ |
| capabilities | 0 | 0.04877777777777778 | 0 | - |
| integrations | 22.4 | 0.04066666666666666 | 0.9 | ✓ |
| security_posture | 75 | 0.073 | 5.5 | ✓ |
| pricing_transparency | 100 | 0.084 | 8.4 | ✓ |

## Pricing

_As of 2026-08-19, [verify at source](https://www.assemblyai.com/blog/lower-latency-new-pricing). Independently observed._

from $0.37/hour · Usage-based · Free tier

> From $0.37/hour for async transcription. Free tier available.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Async Speech-to-Text | $0.37/hour | - | - |
| Real-time Speech-to-Text | $0.47/hour | - | - |
| Sync Speech-to-Text | $0.45/hour | - | - |

### Async Speech-to-Text

Pre-recorded audio transcription

### Real-time Speech-to-Text

Live audio stream transcription

### Sync Speech-to-Text

Same-request transcription for short clips

### Add-ons

- **Speaker Diarization** ($0.12 per hour)
- **LLM Prompting** ($0.05 per hour)
- **Voice Isolation** ($0.10 per hour)
- **SSO** ($199/mo)

## About

A platform providing speech-to-text APIs for both pre-recorded and live audio, voice agent capabilities, and audio analysis features like speaker identification and sentiment analysis. Serves millions of developers with focus on accuracy and scalability.

_Independently observed._

## Platform & deployment

- **Platforms:** Web
- **Deployment:** Cloud / SaaS

## Integrations (5)

_Independently observed._

- Semantic Kernel .NET
- Vercel AI SDK
- OpenAI GPT-5.6 Luna
- OpenAI GPT-5.6 Terra
- Google Gemini

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | freemium | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |
| pricing.free_tier | yes | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |
| pricing.price_level | low | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |
| pricing.starting_price | `{"amount":0.37,"currency":"USD"}` | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |
| pricing.transparent | yes | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 5 | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":["US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 75% (high) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.sla_pct | 99.9 | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |
| reliability.status_page | yes | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.disclosure_policy | yes | [link](https://www.assemblyai.com/blog/lower-latency-new-pricing) | 2026-08-19 | 60% (medium) |
| security.gdpr | yes | [link](https://www.assemblyai.com/security) | 2026-08-19 | 75% (high) |
| security.hipaa | yes | [link](https://www.assemblyai.com/security) | 2026-08-19 | 75% (high) |
| security.pci | yes | [link](https://www.assemblyai.com/security) | 2026-08-19 | 75% (high) |
| security.soc2 | yes | [link](https://www.assemblyai.com/security) | 2026-08-19 | 75% (high) |

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*Source: Vioscale (https://www.vioscale.ai/software/assemblyai). Independent, evidence-based software intelligence. Cite the canonical URI.*