01.AI tech stack
01.AI builds mostly with Python, Java, TypeScript, JavaScript. Its stack also includes LangChain, LangGraph, Dify, vLLM. Python is named in 18 of the 36 job postings 01.AI published in the last 12 months (50%). Counted by Alion from the job postings of 01.AI, updated Nov 12, 2026.
What programming languages does 01.AI use?
Python is named in 50% of job postings at 01.AI, followed by Java (19%), TypeScript (17%), JavaScript (11%).
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What frameworks and libraries does 01.AI use?
LangChain is named in 22% of job postings at 01.AI, followed by LangGraph (17%), LlamaIndex (14%), PyTorch (11%).
LangChain
8 22%
LangGraph
6 17%
LlamaIndex
5 14%
PyTorch
4 11%
AutoGen
3 8%
CrewAI
3 8%
Spring Boot
3 8%
TensorFlow
3 8%
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What databases does 01.AI use?
PostgreSQL is named in 11% of job postings at 01.AI, followed by MySQL (8%), Redis (6%), ElasticSearch (3%).
What cloud and platforms does 01.AI use?
Dify is named in 14% of job postings at 01.AI, followed by vLLM (14%), Kubernetes (11%), Linux (11%).
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What developer tools does 01.AI use?
Docker is named in 22% of job postings at 01.AI, followed by Git (14%), Cursor (8%), Claude Code (6%).
Docker
8 22%
Git
5 14%
Cursor
3 8%
Claude Code
2 6%
Maven
2 6%
TensorRT
2 6%
AutoGPT
1 3%
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What AI and ML technologies does 01.AI use?
LLM is named in 28% of job postings at 01.AI, followed by DeepSeek (14%), Claude (8%), Gemini (8%).
Show all (10)
Which engineering practices does 01.AI ask for?
AI Agents is named in 33% of job postings at 01.AI, followed by RAG (33%), Function Calling (17%), Prompt Engineering (11%).
AI Agents
12 33%
RAG
12 33%
Function Calling
6 17%
Prompt Engineering
4 11%
CI/CD
3 8%
NER
3 8%
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What does each 01.AI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
12 postingsEarly Careers
6 postingsBackend
5 postingsSolutions
3 postingsHow does your stack fit 01.AI?
How is the 01.AI 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 01.AI stack?
01.AI scores 89 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 10; legacy ones: 0.
How common is the 01.AI stack in its industry?
Share of the 367 companies in the same industries, whose stack Alion knows, that use each technology.
What sets 01.AI apart
Companies with a stack like 01.AI
Questions about the 01.AI tech stack
What programming languages does 01.AI use?
The languages named in 01.AI job postings are Python (50%), Java (19%), TypeScript (17%), JavaScript (11%), C++ (8%), as a share of the 36 postings of the last 12 months.
Does 01.AI use LangChain?
Yes. LangChain is named in 8 of 36 job postings (22%) and required in 4 of them.
What cloud and platforms does 01.AI use?
The cloud and platforms named in 01.AI job postings are Dify (5), vLLM (5), Kubernetes (4) (postings in brackets).
What skills do you need for a AI/ML job at 01.AI?
AI/ML postings at 01.AI most often require Python (8), LLM (5), PyTorch (4), vLLM (4), out of 12 postings in the last 12 months.
Is the 01.AI tech stack changing?
Yes. E2B, Maven, Spring Cloud, Rust first appeared in 01.AI job postings in the last six months.
How modern is the 01.AI tech stack?
01.AI scores 89 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 10; legacy ones: 0.
How does Alion know the 01.AI tech stack?
Alion reads every job posting 01.AI publishes and tags the technologies each one names. The figures on this page count the 36 postings of the last 12 months and were updated on Nov 12, 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, "01.AI tech stack: 101 technologies from 36 job postings", as of Nov 12, 2026. https://alion.io/company/01-ai/technologies