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Assembly

With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.
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Last verified 1 month ago
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With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

Employees

1001-5000

Funding

Series C ($115M)

Tech Stack

Next.js, Vercel

AI Classification

DataAIAI/ML Platform

AssemblyAI is a Voice AI platform providing speech-to-text APIs, real-time transcription, and speech understanding models to developers and enterprises. Their products power AI notetakers, call analytics, medical transcription, and voice agents across startups and Fortune 500 companies including Zoom.

Deep Intelligence

Account Scoring

Medium Churn Risk
  • Series C — mature / stable
  • Thin digital footprint

Tech Stack

Framework

Next.js

Hosting

Vercel

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Social Links

Linkedin

Competitors

Salad

Assembly is one of 2,673 B2B companies in the Kustiq directory.

Assembly sits among 114 ai / ml platform companies in our Data & AI directory.

Similar profiles: Fireworks AI, Snyk, Cohere, and Amplitude.

Fireworks AI sits in the 51-200 headcount band while Assembly is at 1001-5000, and both are at Series C. See Assembly vs Fireworks AI side by side.

Both sit in the 1001-5000 headcount band, and Snyk is at Growth versus Series C for Assembly. See Assembly vs Snyk side by side.

Both sit in the 1001-5000 headcount band, and Cohere is at Series A ($500M) versus Series C for Assembly. See Assembly vs Cohere side by side.

Segment benchmark

How Assembly compares with other AI/ML Platform companies

Assembly is one of 114 AI/ML Platform companies profiled in the Kustiq DataAI directory, which holds 242 DataAI companies in total. Every number below is computed from those profiles.

Assembly sits in the 1001-5000 headcount band. 91% of the 93 segment peers with a known team size are smaller. 4% of those peers share the same band.

The most common tech detections across the 32 peers with a visible stack are Next.js (47%), Vercel (44%), and Google Analytics (38%). Assembly runs Next.js and Vercel.

Among the 58 segment companies with disclosed funding, Growth is the most common stage (36%). Assembly is at Series C.

The median founding year across 32 peers with a known founding date is 2019.

Toronto is the most common HQ city in this segment, home to 11% of the 18 peers with a known location.

Benchmarks are recomputed from live directory data, so they move as profiles refresh. Counts cover Kustiq-profiled companies, not the whole market.

How Kustiq built this profile

How this profile was built

  • Live web rendering via Browserless headless Chrome, not a stale cached scrape.
  • Search intelligence via Serper API across the company site, LinkedIn, press, and GitHub.
  • Claude only picks the buckets. It never decides facts.
  • 12-factor churn engine. Deterministic score, zero LLM at scoring time.
  • SMTP RCPT TO handshake on every contact, at delivery time on full profiles (paid plan).

This profile was built from 2 rendered pages of assembly.ai and search coverage across the live web on .

Read the full methodology in our LLM-readable reference or compare against the deterministic-vs-AI framework.

Frequently asked questions

How many employees does Assembly have?
Assembly has 1001-5000 employees, based on public sources read at the last profile run. That makes it larger than 91% of the 93 profiled AI/ML Platform peers with a known team size.
What industry is Assembly in?
Assembly is a DataAI company in the AI/ML Platform segment.
Who are Assembly's competitors?
Public sources list Salad as Assembly competitors. The list comes from live search coverage at the last profile run, not a static database.
Is this profile actually verified, or just generated by AI?
The structured fields come from a hybrid pipeline. Facts (location, employee range, funding, tech stack) come from live web rendering plus Serper search across the company site, LinkedIn, press, and GitHub. Claude only picks the buckets: vertical, segment, growth signal. It never decides facts. Contact emails on full profiles pass an SMTP RCPT TO handshake at delivery time.
How is this different from a contact database?
Kustiq profiles one company at a time, live from the web when you ask. Tools like Apollo and ZoomInfo rent access to a 50M+ row pool that ages every quarter. Different shape, different price, and the freshness story is the opposite.
What does "track this profile" do?
Tracking saves Assembly to your free dashboard so you can re-run the full pipeline on it anytime. Free with a signed-in account: 3 profiles a week, no card.
Can the profiled company remove this page?
Any company in the Kustiq directory can request removal at /trust#removal. Removed profiles return 410 Gone and stay out of search.
How fresh is the data?
Assembly was last verified 1 month ago. The data refreshes when anyone re-runs the profile (the Re-run now button above does exactly that), and we run the SMTP handshake on contacts when you ask for them, not when we cached the row. The freshness card above the profile shows the exact relative date for the current visit.
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