Directory / Voice Agents

AssemblyAI

With AssemblyAI

AssemblyAI is a AssemblyAI is a speech AI platform for building voice features, including transcription, call analytics, medical transcription, and other voice-powered applications. It is aimed at developers and product teams that want to add speech-to-text and related voice AI capabilities to their products. AI agent company selling to Teams building voice-enabled products and AI voice agents. Latest disclosed round: Series C ($50M, 2023-12-03). About 116 employees, +13.0% over 6 months. 46,019 followers on X.

Voice AgentsSpeech infrastructureActiveassemblyai.com ↗

Headcount

116

—▲ 13.0%3m · 6m

src: Clay (LinkedIn)

X followers

46K

——7d · 30d

src: x.com/AssemblyAI

Traffic / month

1.2M

src: Clay (web traffic)

Latest round

$50M

Series CDec 3, 2023

src: assemblyai.com/blog/announcing-our-50m-series-c-to-build-superhuman-speech-ai-models/?utm_medium=newsletter&utm_source=email

// profile

Product

Agent type: AssemblyAI is a speech AI platform for building voice features, including transcription, call analytics, medical transcription, and other voice-powered applications. It is aimed at developers and product teams that want to add speech-to-text and related voice AI capabilities to their products.
Primary buyer: Teams building voice-enabled products and AI voice agents
Integrations: —
MCP support: —
Pricing: Usage-based · from $0.15 / hour
HQ: San Francisco, California, US
Founded: 2017
LinkedIn: Profile ↗

// capital

Funding

Round: Series C
Amount: $50M
Date: Dec 3, 2023
Leads: {Accel}
Source: Announcement ↗
Investors: Accel; Daniel Gross; Insight Partners; John Collison; Keith Block; Mava Ventures; Nat Friedman; Smith Point Capital; Technexus Venture Collaborative; Y Combinator

// team

Hiring

Employees: 116
Growth 3m / 6m: — / +13.0%
Open roles (sample): GTM Recruiter; Senior Software Engineer, Inference; Senior Software Engineer, Inference; Senior Software Engineer, Inference; Finance Engineer; Senior Researcher; Finance Engineer; Finance Engineer; GTM Recruiter; GTM Recruiter
X mentions this week: —
X handle: @AssemblyAI

// x.com

Sources

Last verified: Nov 4, 2026

Profile: https://assemblyai.com
Funding: https://www.assemblyai.com/blog/announcing-our-50m-series-c-to-build-superhuman-speech-ai-models/?utm_medium=newsletter&utm_source=email
Headcount: Clay (LinkedIn)
Open jobs: Clay
Traffic: Clay (web traffic)
Pricing: https://www.assemblyai.com/pricing
X metrics: https://x.com/AssemblyAI
X handle (homepage-verified): https://assemblyai.com
Clay enrichment: Clay enrichment 2026-11-04
Homepage: https://assemblyai.com
funding: https://www.assemblyai.com/blog/announcing-our-50m-series-c-to-build-superhuman-speech-ai-models/?utm_medium=newsletter&utm_source=email
seed_type: Company homepage (curated market-map list)
funding_status: Verified (primary/press)
funding_source_type: primary

// related

Similar companies

Deepgram
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Speechmatics
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Speechmatics builds speech-to-text APIs for real conversations, not clean demos. Build Voice AI that understands accents, multiple speakers, and multilingual speech.

// faq

About AssemblyAI

What does AssemblyAI do?+

With AssemblyAI

How much has AssemblyAI raised most recently?+

Series C of $50M on Dec 3, 2023, led by {Accel}.

How many employees does AssemblyAI have?+

About 116 (3-month growth —).

How is AssemblyAI priced?+

Usage-based, starting at $0.15 / hour.

// cite

Cite this data

AssemblyAI profile. Agent Market Map, The GTM Engineering Newsletter. Last verified Nov 4, 2026. https://agentmarketmaps.com/company/assemblyai