Anthropic vs ElevenLabs: Founders, CEOs and History
Anthropic was founded in 2021 by Dario Amodei, Daniela Amodei, Jack Clark and is led by Dario Amodei. ElevenLabs was founded in 2022 by Mati Staniszewski, Piotr Dabkowski and is led by Mati Staniszewski.
Company facts
Anthropic
- Founded
- 2021
- Headquarters
- San Francisco, California, United States
- Current CEO
- Dario Amodei
- Employees
- 2,500
ElevenLabs
- Founded
- 2022
- Headquarters
- London, United Kingdom & New York City, New York, United States
- Current CEO
- Mati Staniszewski
- Employees
- 800
Founders
Anthropic
Dario Amodei
Dario Amodei is co-founder and Chief Executive Officer of Anthropic PBC. He previously served as Vice President of Research at OpenAI, directing the teams that built GPT-2 and GPT-3 and the scaling law research that still shapes how frontier models are planned…
Daniela Amodei
Daniela Amodei is co-founder and President of Anthropic PBC, responsible for the commercial and operating side of the company: go-to-market, finance, people, investor relations and public benefit compliance.
Jack Clark
Jack Clark is a co-founder of Anthropic and its head of policy. Since March 2026 he has also led the Anthropic Institute, a think tank the company launched to study the effects of AI.
Sam McCandlish
Sam McCandlish is a co-founder of Anthropic and a researcher known for work on the scaling laws of neural networks. At OpenAI he co-authored research showing a predictable relationship between training compute and model performance.
Jared Kaplan
Jared Kaplan is a co-founder and Chief Science Officer of Anthropic. He was a lead author of 'Scaling Laws for Neural Language Models' in 2020, which showed that model loss falls predictably as compute, data and parameter count increase.
Tom Brown
Tom Brown is a co-founder of Anthropic and was the lead author of the 2020 GPT-3 paper 'Language Models are Few-Shot Learners' at OpenAI, which showed that large language models can handle many tasks from a few examples without task-specific fine-tuning.
Chris Olah
Chris Olah is a co-founder of Anthropic and leads its interpretability research, which works out which internal features and circuits drive a model's behaviour.
Ben Mann
Ben Mann is a co-founder of Anthropic and one of the authors of OpenAI's 2020 GPT-3 paper 'Language Models are Few-Shot Learners'. At Anthropic he has worked on training and aligning the Claude models and on the practices that govern how they are released.
ElevenLabs
Mati Staniszewski
Mati Staniszewski is the Polish-born co-founder and CEO of ElevenLabs. He grew up near Warsaw, studied mathematics at Imperial College London and worked at Palantir before starting ElevenLabs with school friend Piotr Dabkowski in 2022.
Piotr Dabkowski
Piotr Dabkowski is co-founder and Chief Technology Officer of ElevenLabs. He studied at the University of Cambridge, worked as a machine learning engineer at Google and leads the research behind ElevenLabs' speech, transcription and music models. Piotr Dabkow…
CEOs and their tenures
Anthropic
- Dario Amodei2021–present
Chief Executive Officer and Co-Founder
Co-founded Anthropic in January 2021 and has run it since. Revenue reached $4.59 billion in 2025 and an annualized run-rate of about $65 billion by July 2026, and the company was valued at $965 billion post-money in its May 2026 Series H.
Source
ElevenLabs
- Mati Staniszewski2022–present
Co-Founder and Chief Executive Officer
As Co-Founder and CEO, he rapidly scaled the company from a tiny startup into a $1.1 billion unicorn in less than two years, securing massive funding from Andreessen Horowitz.
Source - Piotr Dabkowski2022–present
Co-Founder and Chief Technology Officer
As Co-Founder and CTO, he leveraged his previous experience as a Google machine learning engineer to build the absolute most realistic AI voice generator on the market.
Source
Timeline: Anthropic and ElevenLabs side by side
2021Anthropic
Anthropic founded by former OpenAI staff
Dario Amodei, Daniela Amodei and five other former OpenAI employees incorporated Anthropic on January 26, 2021, and raised a $124 million Series A in May 2021 led by Jaan Tallinn.
2022Anthropic
$580 million round and the first Claude held back
Anthropic raised $580 million in April 2022, including $500 million from FTX. It finished training the first version of Claude that summer but did not release it, citing further safety testing.
2022Anthropic
Constitutional AI published
Anthropic published Constitutional AI, a training method in which the model critiques and revises its own answers against a written set of principles instead of relying only on human ratings.
2022ElevenLabs
ElevenLabs founded
Mati Staniszewski and Piotr Dabkowski start the company to build expressive AI voice and dubbing.
2023Anthropic
Claude and Claude 2 released
Claude and Claude Instant were released in March 2023 to approved users, and Claude 2 opened to the public in July 2023.
2023Anthropic
Amazon and Google take stakes
Amazon announced a strategic collaboration in September 2023 with an initial $1.25 billion investment and AWS as primary cloud provider. Google invested $500 million in October 2023 and committed $1.5 billion more over time.
2023ElevenLabs
Public beta and $19M Series A
Beta launches in January; Series A co-led by Nat Friedman, Daniel Gross and Andreessen Horowitz follows in June.
2024Anthropic
Claude 3 family and Claude 3.5 Sonnet
Anthropic released Claude 3 Opus, Sonnet and Haiku on March 4, 2024, then Claude 3.5 Sonnet in June 2024, which became the default model inside many AI coding tools.
2024Anthropic
Amazon investment reaches $8 billion
Amazon invested a further $4 billion in November 2024, taking its total to $8 billion. Anthropic named AWS its primary training partner and agreed to train on AWS Trainium chips.
2024ElevenLabs
$80M Series B at $1.1B valuation
January 2024 round makes ElevenLabs a unicorn; the company later launches its Conversational AI agent platform and Reader app.
2025Anthropic
Claude 4 and Claude Code general availability
Anthropic released Claude Opus 4 and Claude Sonnet 4 in May 2025 at its first developer conference, and made the Claude Code command line agent generally available the same month.
2025Anthropic
$1.5 billion copyright settlement with authors
Anthropic agreed in September 2025 to pay $1.5 billion, about $3,000 per book, to settle the Bartz class action over pirated books used in training. A judge granted final approval on July 20, 2026.
2025Anthropic
Google TPU deal for up to one million chips
In October 2025 Anthropic agreed to expand its use of Google Cloud to as many as one million TPUs, adding well over a gigawatt of capacity in 2026.
2025Anthropic
Microsoft and NVIDIA commit up to $15 billion
In November 2025 NVIDIA committed up to $10 billion and Microsoft up to $5 billion, while Anthropic agreed to buy about $30 billion of Azure compute and put Claude on Azure Foundry.
2025Anthropic
Bun acquired as Claude Code passes $1 billion run-rate
Anthropic acquired Bun, the JavaScript and TypeScript runtime behind Claude Code and the Claude Agent SDK, in December 2025, and said Claude Code had reached $1 billion of run-rate revenue.
2025ElevenLabs
$180M Series C at $3.3B; ARR passes $330M
January 2025 round co-led by a16z and ICONIQ; Eleven v3 and Eleven Music launch during the year.
2026Anthropic
Series G of $30 billion at a $380 billion valuation
Anthropic raised $30 billion in February 2026 led by GIC and Coatue at a $380 billion post-money valuation, and reported run-rate revenue of $14 billion and more than 500 customers spending over $1 million a year.
2026Anthropic
Pentagon dispute over surveillance and weapons limits
Anthropic refused Department of Defense demands in February 2026 to drop restrictions on mass domestic surveillance and fully autonomous weapons.
2026Anthropic
Series H of $65 billion at a $965 billion valuation
Anthropic raised $65 billion in May 2026 led by Altimeter, Dragoneer, Greenoaks and Sequoia at a $965 billion post-money valuation, and said run-rate revenue had crossed $47 billion that month.
2026Anthropic
Confidential draft S-1 submitted to the SEC
On June 1, 2026 Anthropic confidentially submitted a draft registration statement on Form S-1 for a proposed initial public offering of common stock.
2026Anthropic
Claude Opus 5 and Opus 5.5 released
Claude Opus 5 replaced Opus 4.8 as the flagship in July 2026, and Opus 5.5 followed on September 22, 2026 at $4 per million input tokens and $20 per million output tokens, about 40 percent cheaper to run than Opus 5.
2026Anthropic
IPO prospectus figures reported
Reporting on the draft prospectus in late September 2026 disclosed 2025 revenue of $4.59 billion, an $8.06 billion operating loss, a $41.97 billion net loss and about $518 billion of long-term compute commitments.
2026Anthropic
Public Form S-1 filed with the SEC
On October 26, 2026, Anthropic publicly filed its Form S-1 for a proposed initial public offering. The filing reports $16.286 billion of revenue for the six months ended June 30, 2026, an unaudited interim period.
2026ElevenLabs
$500M Series D at $11B
Sequoia Capital leads the February 2026 round; ARR passes $500 million in April.
2026ElevenLabs
$300M employee tender at $22B
September 30, 2026 tender co-led by Wellington and T. Rowe Price doubles the Series D valuation.
Acquisitions
Anthropic
- Vercept2026Undisclosed
- Stainless2026Undisclosed
- Mendral2026Undisclosed
- Humanloop2025Undisclosed
- Bun2025Undisclosed
Questions about Anthropic vs ElevenLabs
Who is the CEO of Anthropic PBC and ElevenLabs?
Anthropic PBC is led by Dario Amodei and ElevenLabs is led by Mati Staniszewski. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was Anthropic PBC founded vs ElevenLabs?
Anthropic PBC was founded in 2021 — 1 year before ElevenLabs, which was founded in 2022. Anthropic PBC's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger ElevenLabs.
How many employees does Anthropic PBC have compared to ElevenLabs?
Anthropic PBC employs approximately 2,500 people, while ElevenLabs employs approximately 800. Anthropic PBC has the larger workforce at 2,500 employees, compared to ElevenLabs's 800. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Anthropic PBC and ElevenLabs headquartered?
Both Anthropic PBC and ElevenLabs are headquartered in United States. Their local rules and tax obligations may still differ.
Who founded Anthropic PBC and ElevenLabs?
Anthropic PBC was founded by Dario Amodei, Daniela Amodei, Jack Clark, Sam McCandlish, Jared Kaplan, Tom Brown, Chris Olah, Ben Mann. ElevenLabs was founded by Mati Staniszewski, Piotr Dabkowski.
Which company has a longer operating history — Anthropic PBC or ElevenLabs?
Anthropic PBC has been operating for approximately 5 years, making it the more established of the two companies. ElevenLabs has been in operation for around 4 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.
Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Anthropic vs ElevenLabs overview