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How Many Employees Does Anthropic Have?

By Shane TranUpdated

Anthropic builds the Claude AI models from offices in San Francisco, New York, London and other cities. This page tracks how many people work there, where they work and what they earn.

01 · 9 stats

How Many Employees Does Anthropic Have?

Anthropic leaders and press reports give the company’s headcount at different dates. Anthropic PBC also reports on its employee benefit plans each year on a US government form called Form 5500. In Form 5500 filings, a welfare-plan “participant” is a covered employee or former employee, not a dependent. The two Form 5500 cards below count active participants only.

  • Over 3,500 employees worked at Anthropic in September 2026. An Anthropic spokesman gave the figure.

    WSJ

  • 2,500 people worked at Anthropic in February 2026, its CEO said.

    Dwarkesh Podcast

  • About 2,300 employees worked at Anthropic in December 2025.

    Fortune

  • 1,300 employees worked at Anthropic in May 2025.

    WIRED

  • 915 employees worked at Anthropic at the end of 2024.

    The Information, via Epoch AI

  • Around 500 employees worked at Anthropic in May 2024.

    TIME

  • Roughly 50 people worked at Anthropic in summer 2022.

    TIME

  • 2,147 active participants were in Anthropic PBC’s benefits plan at end-2025. The filing covers its health and welfare benefits plan.

    DOL Form 5500 data, 2025

  • 850 active participants were in Anthropic PBC’s benefits plan at end-2024. The filing covers its health and welfare benefits plan.

    DOL Form 5500 data, 2024

02 · 5 stats

Other Estimates of Anthropic’s Headcount

Workforce trackers publish their own estimates of Anthropic’s headcount. Each card names the tracker behind the number.

  • About 3,950 Anthropic employees in March 2026, per Revelio Labs.

    Revelio Labs

  • 5,000 Anthropic employees in October 2026, per Live Data Technologies. Estimate

    TrueUp (Live Data Technologies)

  • 115% Anthropic headcount growth in 12 months, per Live Data Technologies. Snapshot taken October 22, 2026. Estimate

    TrueUp (Live Data Technologies)

  • 6,146 Anthropic employees as of September 30, 2026, per Tracxn.

    Tracxn

  • 6,051 Anthropic employee profiles appeared in Unify’s July 2026 snapshot. This measures profile coverage, not a company-reported total.

    Unify

Anthropic headcount by quarter, per Revelio Labs
QuarterEmployees
Q2 2023546
Q3 2023613
Q4 2023718
Q1 2024867
Q2 20241022
Q3 20241163
Q4 20241324
Q1 20251588
Q2 20251894
Q3 20252435
Q4 20253089
Q1 20263950

03 · 5 stats

How Does Anthropic’s Headcount Compare With Other AI Labs?

The figures below for OpenAI, Google DeepMind, Mistral AI and xAI come from filings, company posts and press reports. In OpenAI UK’s accounts, “average monthly number of employees” means staff averaged across the year’s months, director included.

  • Over 4,700 Anthropic employees appeared on LinkedIn in March 2026.

    TechCrunch

  • About 4,500 people worked at OpenAI in March 2026. The FT cited two people with knowledge of the matter.

    Financial Times, via CNBC

  • Around 6,000 employees worked at Google DeepMind in August 2025.

    WSJ, via Epoch AI

  • 1,000 team members worked at Mistral AI in June 2026.

    Mistral AI

  • 110 people on average worked for OpenAI’s UK company in 2025.

    Companies House

AI lab headcount on LinkedIn, March 2026
CompanyMarch 2026
OpenAI7500
xAI5000
Anthropic4700

04 · 6 stats

How Many Jobs Is Anthropic Hiring For?

Anthropic lists its open jobs on a public careers board. The counts below come from that board and from the company’s hiring plans.

  • 678 job postings were live at Anthropic on October 22, 2026.

    Anthropic jobs board

  • 123 Anthropic job postings were in sales on October 22, 2026.

    Anthropic jobs board

  • 428 job listings were open at Anthropic in April 2026.

    San Francisco Chronicle

  • Over 100 new roles planned for Anthropic’s Dublin and London offices. Anthropic announced the plan in September 2025.

    Anthropic

  • 200 more Anthropic jobs are planned in Ireland by 2027.

    IDA Ireland

  • 12 months is how long rejected Anthropic candidates wait to reapply. They can apply sooner if their experience or skills materially change.

    Anthropic

Anthropic open jobs by department
DepartmentOct 22, 2026
Sales123
AI Research & Engineering68
Applied AI61
Finance55
Engineering & Design – Product51
Security51
Software Engineering – Infrastructure51
Safeguards (Trust & Safety)42
Technical Program Management28
Product Management, Support, & Operations26
Compute25
Legal19
Marketing & Brand19
People19
Public Policy15
Data Science & Analytics9
Communications5
Public Benefit5
Technical Education4
Hardware2

05 · 8 stats

Where Do Anthropic Employees Work?

Anthropic runs offices across the US, Europe and Asia-Pacific. Most Anthropic staff are in the Bay Area and come to the office regularly, according to its careers page (Anthropic).

  • 2,890 Anthropic employees were in North America, per Revelio Labs. The count is for 2026.

    Revelio Labs

  • Over 1,300 Anthropic employees worked in the Bay Area, February 2026.

    DivcoWest

  • Under 500 Anthropic employees were in NYC at 2026’s start.

    New York Post

  • Over 1,000 NYC employees is Anthropic’s target for end-2026.

    New York Post

  • Over 200 Anthropic people were based in London in April 2026.

    CNBC

  • 6 European cities will host Anthropic offices once Milan opens.

    Anthropic

  • 5 Asia-Pacific offices for Anthropic after Singapore opened in October 2026.

    Anthropic

  • At least 25% office time is expected of all Anthropic staff. Some roles may require more office time.

    Anthropic jobs board

Anthropic employees by region, per Revelio Labs
Region2026
North America2890
Northern Europe339
South Asia172
Sub-Saharan Africa118
Western Europe77
Southeast Asia63
East Asia54
Arab States41
North Africa40
Southern Europe25

06 · 6 stats

How Much Office Space Does Anthropic Lease?

Anthropic has leased new offices in San Francisco, New York, Seattle and London, and plans a larger Dublin office.

  • 466,000 square feet at San Francisco’s 300 Howard went to Anthropic. The lease was announced in February 2026.

    DivcoWest

  • 16 floors at 330 Hudson St. in Manhattan will house Anthropic. The lease was announced in July 2026.

    New York Post

  • 113,000 square feet of Seattle office space were leased by Anthropic. The lease was reported in 2026.

    CoStar via GeekWire

  • 21,000 square feet is the size of Anthropic’s planned Dublin office.

    IDA Ireland

  • 158,000 square feet of London office space went to Anthropic. The deal was reported in April 2026.

    British Land

  • 800 people will fit in Anthropic’s new London office space. Anthropic announced the space in April 2026.

    CNBC

Anthropic's San Francisco office space by building
BuildingApril 2026
300 Howard466000
500 Howard240000
400 Howard100000
505 Howard100000
342 Howard18000

07 · 4 stats

How Many People Work at Anthropic’s UK Company?

Anthropic Limited is the company’s UK subsidiary. It files yearly accounts at Companies House, the UK company registry. In Anthropic Limited’s accounts, “average number of persons employed” is its yearly average headcount, directors included.

  • 43 people on average worked for Anthropic’s UK company in 2024.

    Companies House

  • 6 people on average worked for Anthropic’s UK company in 2023. It covers January 19 to December 31, 2023.

    Companies House

  • £24,068,253 in staff costs at Anthropic’s UK company in 2024.

    Companies House

  • £12,387,932 in wages and salaries at Anthropic’s UK company in 2024.

    Companies House

Staff costs at Anthropic's UK company
Cost type20232024
Wages and salaries166095512387932
Share-based payments17112789696888
Social security costs2167311602457
Other pension costs36313380976

08 · 6 stats

How Many Visa Filings Does Anthropic Make?

US employers file a labor condition application before they sponsor some foreign workers on work visas. In Labor Department data, a “labor condition application” (LCA) covers H-1B, H-1B1 and E-3 work visas.

  • 252 Anthropic labor condition applications were decided, October 2025–June 2026.

    DOL OFLC LCA data

  • 726 foreign workers were requested in Anthropic’s LCAs, October 2025–June 2026.

    DOL OFLC LCA data

  • 127 of Anthropic’s LCAs were for software developers, October 2025–June 2026.

    DOL OFLC LCA data

  • 224 Anthropic LCAs listed San Francisco as the first worksite. It covers October 2025–June 2026 decisions.

    DOL OFLC LCA data

  • 197 of Anthropic’s LCAs were for H-1B visas, October 2025–June 2026.

    DOL OFLC LCA data

  • 176 of Anthropic’s LCAs used a “Member of Technical Staff” title. It covers October 2025–June 2026 decisions.

    DOL OFLC LCA data

Anthropic labor condition applications by occupation
OccupationFY2026 Q1–Q3
Software Developers127
Computer and Information Research Scientists30
Data Scientists18
Operations Research Analysts13
Market Research Analysts and Marketing Specialists11
Sales Engineers9
Financial and Investment Analysts7
Lawyers5
Accountants and Auditors3
Computer and Information Systems Managers3
Human Resources Specialists3
Information Technology Project Managers3
Management Analysts3
Information Security Engineers2
Marketing Managers2
Technical Writers2
Web and Digital Interface Designers2
Art Directors1
Business Intelligence Analysts1
Computer Hardware Engineers1
Computer Network Architects1
Database Architects1
Financial Quantitative Analysts1
Human Factors Engineers and Ergonomists1
Information Security Analysts1
Sales Managers1

09 · 9 stats

What Pay and Benefits Do Anthropic Employees Get?

Anthropic’s careers page lists its benefits, and its 401(k) retirement savings plan reports to the US Labor Department each year. Dario Amodei said Anthropic assigns each new hire a pay level and does not negotiate it (Big Technology Podcast via Business Insider).

  • $220,000 median Anthropic salary in North America, per Revelio Labs. The figure is for 2026.

    Revelio Labs

  • 22 weeks of paid parental leave for Anthropic staff, October 2026.

    Anthropic careers

  • Up to 25% of an equity grant qualifies for Anthropic’s match. The optional program matches donated equity 1:1.

    Anthropic careers

  • $500 monthly wellness and time-saver stipend for Anthropic staff.

    Anthropic careers

  • At least $350 billion valuation in Anthropic’s planned employee share sale. It values the company before new investment, as of February 2026.

    Bloomberg

  • Up to $6 billion share sale for Anthropic staffers, February 2026.

    Bloomberg

  • Up to $2 million per person in Anthropic’s 2025 share buyback. Current and former staff needed at least two years there.

    The Information via Maginative

  • 870 active participants were in Anthropic’s 401(k) plan at end-2024.

    DOL Form 5500 data, 2024

  • $6,363,600 in employer contributions to Anthropic’s 401(k) plan in 2024.

    DOL Schedule H data, 2024

Contributions to Anthropic's 401(k) plan
Contributor202220232024
Participants551392275409010748943
Employer32845016951066363600
Other, incl. rollovers1808339071838679600

10 · 8 stats

How Long Do Employees Stay at Anthropic?

Talent trackers follow people as they move between AI labs. In SignalFire’s report, “retention” means the share of hires still at a company after two years, from LinkedIn profiles. Dario Amodei said “a lot fewer people from Anthropic have been caught” by Meta pay offers (Fortune).

  • 80% of Anthropic hires were still there after two years. It covers 2021 to February 2023 hires, from LinkedIn profiles.

    SignalFire

  • 10.6 DeepMind staff moved to Anthropic for each one moving back.

    SignalFire

  • 8.2 OpenAI staff moved to Anthropic for each one moving back.

    SignalFire

  • 22 Anthropic research hires per departure in 2025, per Zeki Data. It covers research and advanced-engineering roles.

    Zeki Data via Fortune

  • 25% of DeepMind leavers joined Anthropic, per Zeki Data. It covers research and advanced-engineering staff leaving in the past year.

    Zeki Data via Fortune

  • 17% yearly attrition among Anthropic research staff on LinkedIn. The data was pulled in August 2026.

    People In AI

  • 1,825 research staff joined Anthropic in the year to August 2026. It uses LinkedIn Talent Insights data.

    People In AI

  • 0.8 years median tenure for Anthropic research staff on LinkedIn. The data was pulled in August 2026.

    People In AI

Two-year retention at AI labs
Company2 years
Anthropic80
DeepMind78
OpenAI67
Cohere64
MosaicML63

11 · 7 stats

What Do Employees Say About Working at Anthropic?

Employees rate Anthropic on review sites such as Glassdoor and Blind. The company also surveys its own staff.

  • 4.2 out of 5 is Anthropic’s Glassdoor rating in October 2026. It rests on 40 employee reviews.

    Glassdoor

  • 4.9 out of 5 is Anthropic’s Glassdoor pay and benefits score. Snapshot taken October 22, 2026.

    Glassdoor

  • 84% of Anthropic’s Glassdoor reviewers would recommend it to a friend.

    Glassdoor

  • 88% of Anthropic’s Glassdoor reviewers see a positive business outlook.

    Glassdoor

  • 4.8 out of 5 is Anthropic’s rating on Blind, October 2026. It rests on 48 company reviews.

    Blind

  • 58% of Anthropic employees agreed processes made them maximally productive. They answered an internal survey in November 2025.

    Anthropic Employment Report

  • 44% of Anthropic employees agreed processes made them maximally productive. They answered an internal survey in late 2024.

    Anthropic Employment Report

Anthropic's Glassdoor ratings by category
CategoryOct 22, 2026
Compensation and benefits4.9
Career opportunities4.6
Culture and values4.4
Senior management4.3
Diversity and inclusion4.2
Work/Life balance3.8