AS

AssemblyAI

Backed byAccelY Combinator
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AssemblyAI provides a suite of audio AI models for transcription, summarisation, speaker detection, and sentiment analysis. Their Universal-1 model is one of the most accurate speech models available via API. Powering millions of audio workflows for podcast platforms, meeting tools, and call centres.

Location
San Francisco, USA
Raised
$115M
Stage
Series C
Founded
2017
Category
AI
Funding
VC-backed
Team
51–200

Funding figures as of Jul 2025 Β· not independently verified

Founders of AssemblyAI

  • Dylan Fox

Investors backing AssemblyAI

  • Accel
  • Y Combinator

Frequently asked questions

What does AssemblyAI do?

AssemblyAI provides a suite of audio AI models for transcription, summarisation, speaker detection, and sentiment analysis. Their Universal-1 model is one of the most accurate speech models available via API. Powering millions of audio workflows for podcast platforms, meeting tools, and call centres.

Where is AssemblyAI based?

AssemblyAI is based in San Francisco, USA.

When was AssemblyAI founded?

AssemblyAI was founded in 2017.

How much has AssemblyAI raised?

AssemblyAI has raised $115M in their Series C round as of Jul 2025.

Who founded AssemblyAI?

AssemblyAI was founded by Dylan Fox.

Who has invested in AssemblyAI?

AssemblyAI is backed by Accel, Y Combinator.

How AssemblyAI would pitch themselves

β—‹ Auto-generated
01Target customer

Developers β€” the core audience AssemblyAI's product is built around.

02Problem they solve

AssemblyAI provides a suite of audio AI models for transcription, summarisation, speaker detection, and sentiment analysis. Their Universal-1 model is one of the most accurate speech models available via API. Powering m… The category has historically been served by tools that miss the modern workflow this product is built around.

03Key differentiator

AssemblyAI differentiates on audio intelligence api for developers. Backed by Accel + Y Combinator, $115M raised β€” the company has resources + validation to compound this thesis. Founded by Dylan Fox.

04Go-to-market strategy

Growth-stage GTM β€” multi-channel revenue motion (direct enterprise sales, channel partnerships, marketplace listings). Vertical specialisation + verticalised AE teams targeting enterprise + mid-market.

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