SiteList review score
Exceptional developer-focused positioning and high-fidelity design execution. Mechanical editorial gaps and inconsistent mobile performance.
Reviewed on Sep 1, 2026
Assemblyai
assemblyai.com
Unclaimed listingWhat it does
AssemblyAI provides speech AI models and APIs for transcribing speech to text and extracting insights from voice data.
Two ratings
Verified user rating
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No verified reviews yet — the evidence locker is empty.
Screenshots
Captured during our latest review on Sep 1, 2026
Pricing details
Voice Agent API: $4.50 per hour. Billed usage.
View sourceKey features
Pre-recorded Speech-to-Text API
Transcription
Transcribes pre-recorded speech to text.
Realtime Speech-to-Text API
Transcription
Provides realtime speech-to-text transcription.
Speech Understanding API
Speech understanding
Provides models for speaker identification, sentiment, summarization, translation, and other audio understanding tasks.
Voice Agent API
Voice agents
Provides low-latency speech-to-speech voice agents with turn detection and tool calling.
Guardrails
Safety
Provides profanity filtering, content moderation, and PII redaction at text and audio level.
Who it’s for
Voice agents
Build production-ready voice agents.
AI notetakers
Provide transcription and structured output for meeting workflows.
Call analytics
Produce call analytics and speaker-level metrics from recordings.
Medical transcription
Use speech AI for medical transcription.
Dictation
Use speech AI for dictation.
Agent assist
Use speech AI for agent-assist workflows.
AI scribes
Use speech AI for AI scribe workflows.
Buyer questions
Questions buyers actually ask
Who is the primary audience for AssemblyAI?
AssemblyAI is built for developers and engineering teams creating voice-enabled products. The site's positioning and technical documentation are specifically tailored to "builders" looking for robust AI infrastructure.
How is AssemblyAI priced?
AssemblyAI provides a Free tier / Enterprise pricing model. Based on crawl data, the site emphasizes a developer-first entry point with free access, while scaling to custom enterprise agreements for high-volume production needs.
Does the site perform well on mobile devices?
While desktop performance is excellent, mobile users may experience delays. Crawl data shows a 3.6s Time to First Byte (TTFB) and an 827ms Largest Contentful Paint on mobile, primarily due to render-blocking resources.
What is the quality of the technical content?
The site features a substantial documentation surface with a coherent developer vocabulary. However, some areas suffer from mechanical editorial issues like collapsed paragraph structures and long sentence lengths.
Is the site design consistent?
Yes, the design execution is a significant strength, scoring 94/100. It maintains strict token discipline with a consistent color palette, font system, and spacing scale across the platform.
Answers are based on SiteList's latest evidence review. Read the full review.
The expert review
AssemblyAI earns an 82/100 for its exceptional developer-focused positioning and high-fidelity design execution. The site is held back by mechanical editorial gaps and inconsistent mobile performance.
82/100: strong developer infrastructure, minor editorial gaps
Verified user reviews
0 verifiedNo reviews yet. The evidence locker is empty.
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Scores across 13 dimensions
Brand & experience
Performance
Content & editorial
Trust & decision surfaces
Search & discoverability
Docs & measurement
- Domain
- assemblyai.com
- Category
- Model APIs & aggregators
- Pricing
- Usage-based · $4.5
- Platforms
- api
- Last checked
- Sep 1, 2026
- Public dimensions
- 13
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