Anthropic tech stack
Anthropic builds mostly with Python, SQL, Rust, TypeScript. Its stack also includes AWS, GCP, Google BigQuery, React.js. Python is named in 223 of the 786 job postings Anthropic published in the last 12 months (28%). Counted by Alion from the job postings of Anthropic, updated Sep 28, 2026.
What programming languages does Anthropic use?
Python is named in 28% of job postings at Anthropic, followed by SQL (14%), Rust (7%), TypeScript (5%).
Python
223 28%
SQL
110 14%
Rust
56 7%
TypeScript
39 5%
JavaScript
35 4%
Go
21 3%
Java
14 2%
C++
14 2%
Show all (16)
What frameworks and libraries does Anthropic use?
React.js is named in 3% of job postings at Anthropic, followed by PyTorch (1%), JAX (1%), Commander.js (1%).
React.js
20 3%
PyTorch
11 1%
JAX
8 1%
Commander.js
7 1%
Transformers
5 1%
Next.js
4 1%
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What databases does Anthropic use?
Google BigQuery is named in 3% of job postings at Anthropic, followed by BigQuery (2%), Snowflake (1%), PostgreSQL (1%).
Google BigQuery
21 3%
BigQuery
17 2%
Snowflake
9 1%
PostgreSQL
4 1%
Google Cloud Spanner
3 <1%
Amazon Redshift
2 <1%
DuckDB
2 <1%
Redis
2 <1%
Show all (19)
What cloud and platforms does Anthropic use?
AWS is named in 12% of job postings at Anthropic, followed by GCP (12%), Azure (7%), Kubernetes (7%).
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And 5 more, each named in fewer postings.
What developer tools does Anthropic use?
TPU is named in 4% of job postings at Anthropic, followed by AWS Trainium (2%), dbt (2%), Terraform (1%).
dbt
15 2%
Terraform
11 1%
Rest API
9 1%
Docker
4 1%
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And 3 more, each named in fewer postings.
What AI and ML technologies does Anthropic use?
LLM is named in 21% of job postings at Anthropic.
LLM
162 21%
Which engineering practices does Anthropic ask for?
Multimodal AI is named in 100% of job postings at Anthropic, followed by Interpretability (92%), Machine Learning (14%), AI Agents (12%).
Multimodal AI
785 100%
AI Agents
95 12%
Rollup
40 5%
CI/CD
34 4%
Reinforcement Learning
27 3%
Show all (65)
And 25 more, each named in fewer postings.
What does each Anthropic team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Sales
128 postingsBackend
100 postingsAI/ML
98 postingsProduct
60 postingsFinance
47 postingsOperations
46 postingsHow does your stack fit Anthropic?
How much does Anthropic pay by technology?
Median stated pay of the postings that name each technology, against the median of all Anthropic postings with stated pay: $380k across 661 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 191 | $405k | +7% |
| LLM | 129 | $350k | −8% |
| SQL | 105 | $325k | −14% |
| AWS | 89 | $425k | +12% |
| GCP | 85 | $450k | +18% |
| Rust | 52 | $485k | +28% |
| Azure | 50 | $405k | +7% |
| Kubernetes | 47 | $485k | +28% |
| TypeScript | 37 | $405k | +7% |
| JavaScript | 35 | $405k | +7% |
How is the Anthropic stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Anthropic stack?
Anthropic scores 66 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How common is the Anthropic stack in its industry?
Share of the 456 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Anthropic apart
Anthropic products in its job postings
Postings at Anthropic name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Anthropic
Questions about the Anthropic tech stack
What programming languages does Anthropic use?
The languages named in Anthropic job postings are Python (28%), SQL (14%), Rust (7%), TypeScript (5%), JavaScript (4%), as a share of the 786 postings of the last 12 months.
Does Anthropic use React.js?
Yes. React.js is named in 20 of 786 job postings (3%) and required in 20 of them.
What cloud and platforms does Anthropic use?
The cloud and platforms named in Anthropic job postings are AWS (97), GCP (93), Azure (55) (postings in brackets).
What skills do you need for a Sales job at Anthropic?
Sales postings at Anthropic most often require AWS (15), GCP (11), Azure (7), LLM (7), out of 128 postings in the last 12 months.
Is the Anthropic tech stack changing?
Yes. Instructor, Okta, Lua, SRE first appeared in Anthropic job postings in the last six months.
How modern is the Anthropic tech stack?
Anthropic scores 66 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How does Alion know the Anthropic tech stack?
Alion reads every job posting Anthropic publishes and tags the technologies each one names. The figures on this page count the 786 postings of the last 12 months and were updated on Sep 28, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Anthropic tech stack: 214 technologies from 786 job postings", as of Sep 28, 2026. https://alion.io/company/anthropic/technologies