Tools · mlops platforms

Companies using Weights & Biases_

As of 4 November 2026, 367 companies name Weights & Biases in their own job postings; it leaves no trace on websites or in DNS.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Largest market
–
Companies with 51+ staff
–
Top industry
–
Team that names it most
Data & AI · 690 postings
Hiring on it, last 30 days
259 companies
Most often alongside
MLflow · 384 companies
367companies show Weights & Biases, all sources
0on their website or in DNS records
367name it in their own job postings
692postings naming Weights & Biases, last 90 days
02 — Two ways we see a tool

Where Weights & Biases shows up

Each population is counted on its own. We never add them up without saying so, because they answer different questions.

Website and DNS footprint0

Companies whose own pages load Weights & Biases's scripts or embeds, or whose domain's mail and hosting records (SPF, DKIM, MX, CNAME) point at Weights & Biases. From our crawl of 41.5M company websites and the DNS sweep behind it. Reach: the tool is in the building.

Job postings367

Companies whose own postings say the team works in Weights & Biases. Read hourly from ~70 applicant tracking systems, with the function, a quote and a date. Intent: the team that runs it is hiring.

Both0

Companies in the footprint whose postings also name Weights & Biases. The rest of the posting population (367) runs Weights & Biases without a public trace on the site or in DNS, which is where job data earns its place.

03 — Who uses it

Companies on Weights & Biases

Companies with 51+ employees and at least medium-confidence evidence in their own postings; job boards and portals left out.

367 companies show Weights & Biases; 0 of them have over 1,000 employees.

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06 — Job-posting evidence

Who runs Weights & Biases inside the company

The 367 companies whose postings name Weights & Biases: by country, size and the function of the role. The second number in the function table is companies.

Postings by function
postings · companies
Data & AI
690 · 400
Software engineering
111 · 72
Sales
22 · 8
IT operations & business systems
20 · 8
Product, program & project management
13 · 9
Engineering (non-software)
11 · 9
Legal, compliance & risk
8 · 2
General management & consulting
5 · 5
Finance & accounting
4 · 3
Education & training
3 · 1
Posting companies by country
companiesshare
United States
24065%
United Kingdom
236%
Germany
164%
India
164%
Canada
123%
Switzerland
72%
Singapore
72%
France
62%
United Arab Emirates
41%
Spain
21%
Greece
21%
Ireland
21%
Posting companies by size
companiesshare
Self-employed
195%
2-10 employees
6117%
11-50 employees
5214%
51-200 employees
7621%
201-500 employees
4412%
501-1000 employees
329%
1001-5000 employees
5114%
5001-10000 employees
123%
10,001+ employees
205%
Hiring on it right now
postings
Postings, last 30 days
506
Postings, last 90 days
692
All open postings
1,009

259 companies opened a role that names Weights & Biases in the last 30 days. A hiring team that names its tools is the moment to write to the person who owns the stack.

07 — Named alongside

What Weights & Biases teams also ask for

Tools named in the same postings as Weights & Biases. Office software is left out.

08 — mlops platforms

Weights & Biases against the rest of its category

Ranked by companies naming each tool in postings. Whole category →

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

367 companies name Weights & Biases in their own job postings; it leaves no trace on websites or in DNS, so the posting layer is the whole picture. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/weights-and-biases)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Website codeScripts, tags and embeds found on the company's own pages in our crawl of 41.5M sites. A tool counts once per company.
  • DNS recordsSPF includes, DKIM selectors, MX and CNAME records of the company's domain that point at Weights & Biases or another vendor. Swept in cycles; dedicated mail-provider and hosting facets open once coverage passes 80% per country.
  • Job postingsRead hourly from the applicant tracking systems behind company career sites. A tool counts when the employer's own text names it as the team's system; candidate wish-lists and apply boilerplate are excluded. Confidence low, medium or high per company.
  • Sending infrastructureCold-e-mail sending domains are look-alike domains on a provider's infrastructure (DNS records, certificate logs) that redirect to the company. Absence is not evidence: only companies with a found sending domain are counted.
  • CompaniesCountry, size and industry come from the company profile we build from its website; headcount from LinkedIn where known, otherwise estimated. Job boards, portals and aggregators are kept out of lists.
FAQ

Weights & Biases data: questions

How many companies use Weights & Biases?

367 as of 4 November 2026: 0 carry Weights & Biases on their website or in their DNS records and 367 name it in their own job postings; 0 show up in both. We keep the two counts apart because they measure different things.

What does "website or DNS" mean?

Our crawler finds Weights & Biases's scripts, embeds and tags on the company's own pages, and our DNS sweep reads the domain's mail and hosting records (SPF includes, DKIM selectors, MX, CNAMEs) that point at Weights & Biases. Either one puts the company in the footprint. The sweep is still running, so this number grows week by week.

Why is the job-posting number so much smaller?

A posting only names a tool when the team that will use it is hiring and chooses to say so. That makes it a smaller but stronger signal: it tells you which team runs Weights & Biases, with a quote and a date. The footprint tells you reach.

How fresh is this?

Career sites are read hourly, websites are re-crawled on a rolling schedule and DNS is re-swept in cycles. The date at the top is when these counts were computed.

Can I get the list?

Yes. The first 20 are on this page; the full 367 with verified e-mails and a weekly feed of new Weights & Biases users is in the product. Counting is free.

Companies and people

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