01.AI tech stack
01.AI builds mostly with Python, Java, TypeScript, JavaScript. Its stack also includes LangChain, LangGraph, vLLM, Dify. Python is named in 12 of the 24 job postings 01.AI published in the last 12 months (50%). Counted by Alion from the job postings of 01.AI, updated Sep 28, 2026.
What programming languages does 01.AI use?
Python is named in 50% of job postings at 01.AI, followed by Java (13%), TypeScript (13%), JavaScript (13%).
Show all (9)
What frameworks and libraries does 01.AI use?
LangChain is named in 25% of job postings at 01.AI, followed by LangGraph (21%), LlamaIndex (17%), PyTorch (13%).
LangChain
6 25%
LangGraph
5 21%
LlamaIndex
4 17%
PyTorch
3 13%
AutoGen
2 8%
CrewAI
2 8%
FastAPI
2 8%
TensorFlow
2 8%
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What databases does 01.AI use?
Redis is named in 8% of job postings at 01.AI, followed by PostgreSQL (8%), ElasticSearch (4%), Milvus (4%).
What cloud and platforms does 01.AI use?
vLLM is named in 17% of job postings at 01.AI, followed by Dify (13%), Anthropic (8%), Kubernetes (8%).
vLLM
4 17%
Dify
3 13%
Kubernetes
2 8%
TGI
2 8%
Apache Kafka
1 4%
CUDA Toolkit
1 4%
Show all (12)
What developer tools does 01.AI use?
Docker is named in 21% of job postings at 01.AI, followed by Cursor (13%), Git (13%), Claude Code (8%).
Docker
5 21%
Cursor
3 13%
Git
3 13%
Claude Code
2 8%
TensorRT
2 8%
AutoGPT
1 4%
Axure RP
1 4%
Show all (15)
What AI and ML technologies does 01.AI use?
LLM is named in 29% of job postings at 01.AI, followed by DeepSeek (17%), Gemini (13%), Claude (8%).
Show all (10)
Which engineering practices does 01.AI ask for?
RAG is named in 29% of job postings at 01.AI, followed by AI Agents (25%), Function Calling (17%), Prompt Engineering (13%).
RAG
7 29%
AI Agents
6 25%
Function Calling
4 17%
Prompt Engineering
3 13%
CI/CD
2 8%
NER
2 8%
Show all (15)
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
9 postingsEarly Careers
5 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 88 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 355 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 (13%), TypeScript (13%), JavaScript (13%), C++ (8%), as a share of the 24 postings of the last 12 months.
Does 01.AI use LangChain?
Yes. LangChain is named in 6 of 24 job postings (25%) and required in 2 of them.
What cloud and platforms does 01.AI use?
The cloud and platforms named in 01.AI job postings are vLLM (4), Dify (3), Anthropic (2) (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 (5), LLM (4), vLLM (4), PyTorch (3), out of 9 postings in the last 12 months.
Is the 01.AI tech stack changing?
Yes. C++, Anthropic, Java, Linux first appeared in 01.AI job postings in the last six months.
How modern is the 01.AI tech stack?
01.AI scores 88 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 24 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, "01.AI tech stack: 90 technologies from 24 job postings", as of Sep 28, 2026. https://alion.io/company/01-ai/technologies