AssemblyAI
assemblyai.com
Actively hiring
AI Development Tools
Natural Language Processing
Speech & Audio AI
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$50M
1 round on record
Latest round
$50M
Series C · Dec 2023 · 2 yr ago
Team
201-500
employees, estimated range
Hiring now
11
+5 posted in 30 days
Backers
3
Y Combinator, Accel
The money's age
Long since its last round
34 months since the last round · and hiring
Momentum
43/100
hiring for its size, a new city, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Dec 4, 2023
Raised a round Series C $50M · TechCrunch
Apr 19, 2022
On the Hacker News front page How DALL-E 2 Works · 252 points
Dec 14, 2021
On the Hacker News front page PyTorch vs. TensorFlow in 2022 · 350 points
Oct 7, 2021
On the Hacker News front page How to train large deep learning models as a startup · 273 points
Apr 17, 2020
On the Hacker News front page Building an end-to-end Speech Recognition model in PyTorch · 288 points
Jun 2017
Went through Y Combinator
2017
Founded
Tractionpublic signals, read monthly
Web presence
top 0.01%
of 133.2M domains by links, Common Crawl
Hacker News stories
179
best: 350 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series C | Dec 2023 | $50M | — | TechCrunch |
Backed byfrom the funds' portfolios and accelerator catalogs
Y Combinator 
Accel 
Insight Partners Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
Speech-to-text that adapts to your vocabulary in real time. Purpose-built for European languages.
Deepgram is an AI speech platform that provides real-time and asynchronous automated speech recognition (ASR) and text-to-speech (TTS)…
Vapi is an artificial intelligence technology company headquartered in San Francisco, California, and founded in 2020. The company provides…
Pocket is a small AI device that turns everything you say and hear into clear notes, action items, and search. We combine custom hardware…
Gladia provides speech-to-text and real-time audio intelligence APIs built for multilingual, accented conversation. Founded in 2022 in…
Boson AI builds voice agents for business-critical work — speech-to-speech models, real-time avatars, and production TTS in 100+ languages.
Overview
AssemblyAI is a developer focused company that provides speech and audio AI through an API. In practical terms, it helps software teams turn unstructured audio into text and structured information, such as transcripts, summaries, and other speech derived signals that can be used inside products and workflows. The core problem it addresses is that working with audio at scale is difficult and time consuming without reliable models and infrastructure, especially when teams need accuracy, speed, and an integration that is straightforward to maintain.
News
Dear developers, we are open-sourcing our dictation app, Blurt
Hold a key, talk, and the words land wherever you
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Report
The first ever API built for dictation;Today we're launching the Dictation API
With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.
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Report
Everyone Says Assembly Is Untyped-Everyone Is Wrong
TL;DR: I believe Odin's inline assembly is currently the best out of any language.The most important aspects are of this article listed below. I am not aware of any other assembly (GCC/Clang/Rust/Go...) that would combine all of these aspects:Inline assem
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Report
Jido Assembly: A Slack clone built with Jido and Hologram
An architecture case study of a Slack clone built with Jido Agents, Jido Messaging, Jido Chat, Hologram, and the BEAM.
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Report
From Ford's Assembly Line to Local AI Pipelines
A design pattern for local AI workflows, illustrated through a UDRP-inspired domain-risk pipeline In 1913, at Highland Park, Ford's engineers broke the assembly of a flywheel magneto into 29 one-man...
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Tech stack
Technologies named in job postings at AssemblyAI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
41
Postings analysed
27
Stack modernity
83/100AI adopter
Languages
TypeScript33%
JavaScript33%
Python30%
SQL15%
Frameworks & libraries
React.js30%
Databases
BigQuery4%
Google BigQuery4%
Cloud & platforms
Figma30%
AWS11%
SIEM7%
Azure4%
AI & ML
LLM100%
Claude7%
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Full AssemblyAI tech stack
41 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
70/100
Growing
Open positions
11
1 opened / 10 closed in 30 days
Median time-to-fill
35 days
faster than 36% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
30% ▲
Industrial Engineering
30% ▼
AI/ML
9%
HR
9% ▲
Sales
9% ▲
Frontend
4% ▼
Activity Timeline
New location: United Kingdom
Sep 2026
New location: United States
Sep 2026
Added Stripe to stack
Sep 2026
Added Machine Learning to stack
Sep 2026
Added SIEM to stack
Sep 2026
Added OWASP to stack
Sep 2026
Added Voice Agents to stack
Sep 2026
Added Tool Use to stack
Sep 2026
Added Human-in-the-Loop to stack
Sep 2026
Added Function Calling to stack
Sep 2026
Added Looker to stack
Sep 2026
New location: Toronto
Sep 2026
Offices
Where the company hires and what each office is for
Cities
13
Hiring now
2
Countries
3
Busiest office
San Francisco
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Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
San Francisco
United States
HQ
Remote - San Francisco
2 open roles 2 posted in 90 days 50-200 est. staff
hires for Sales
London
United Kingdom
Sales office
Remote - United Kingdom
1 open roles 1 posted in 90 days 10-50 est. staff
hires for Sales
Chicago
United States
Regional office
Remote - Chicago
2 posted in 90 days 10-50 est. staff
Los Angeles
United States
Regional office
Remote - Los Angeles
1 posted in 90 days 10-50 est. staff
Denver
United States
Regional office
Remote - Denver
1 posted in 90 days 10-50 est. staff
Seattle
United States
Regional office
Remote - Seattle
1 posted in 90 days 10-50 est. staff
Atlanta
United States
Regional office
Remote - Atlanta
Dallas
United States
Regional office
Remote - Dallas
Miami
United States
Regional office
Remote - Miami
Raleigh
United States
Regional office
Remote - Raleigh
Boston
United States
Regional office
Remote - Boston
Austin
United States
Regional office
Remote - Austin
Luxembourg City
Luxembourg
Regional office
Remote - Luxembourg
Earlier presence
New York, United States
Washington, United States
Toronto, Canada
Jobs
≈ $113k – $250k per year (Estimated) • Remote (likely United States)
Python
Fine-tuning
Multimodal AI
LLM
LLM Evaluation
Cybersecurity
GDPR
Apply
≈ $87k – $174k per year (Estimated) • Equity • Remote (United States) • 3+ years exp • United States
Python
Copilot
Claude Code
AI Agents
LLM
DevOps
Terraform
CI/CD
AWS
IAM
Cybersecurity
ISO 27001
OWASP Top 10
SOC 2
GDPR
CWE
Threat Modeling
SIEM
Apply
≈ $134k – $310k per year (Estimated) • In office
LLM
Edge AI
Machine Learning
Cybersecurity
GDPR
Apply
≈ $129k – $330k per year (Estimated) • Remote (North America) • 4+ years exp
Python
SQL
Google BigQuery
BigQuery
AI/ML
Claude Code
dbt
Function Calling
LLM
Human-in-the-Loop
Tool Use
Cybersecurity
GDPR
Analytics
Looker
Apply
≈ $89k – $170k per year (Estimated) • In office • United Kingdom
LLM
Edge AI
Machine Learning
Cybersecurity
GDPR
Apply
Financials
Total raised
$50M
Latest round
Series C
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Series C | 2023 | $50M | Details |