# 01.AI - **Answer**: 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. - **Window days**: 365 - **Postings analysed**: 36 - **Open postings**: 27 - **Technologies in use**: 101 - **Modernity score**: 89 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 111 - **Name**: 01.AI - **Domain**: 01.ai - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 18; Share: 0.5; Required: 18; Open postings: 13; First seen: 2025-07-04 - **AI Agents** — Layer: practices; Postings: 12; Share: 0.3333; Required: 12; Open postings: 7; First seen: 2026-05-15 - **RAG** — Layer: practices; Postings: 12; Share: 0.3333; Required: 12; Open postings: 10; First seen: 2026-02-11 - **LLM** — Layer: ai; Postings: 10; Share: 0.2778; Required: 10; Open postings: 9; First seen: 2026-01-27 - **Docker** — Layer: tools; Postings: 8; Share: 0.2222; Required: 7; Open postings: 4; First seen: 2026-02-11 - **LangChain** — Layer: frameworks; Postings: 8; Share: 0.2222; Required: 4; Open postings: 8; First seen: 2026-02-06 - **Java** — Layer: languages; Postings: 7; Share: 0.1944; Required: 7; Open postings: 3; First seen: 2026-07-20 - **Function Calling** — Layer: practices; Postings: 6; Share: 0.1667; Required: 6; Open postings: 5; First seen: 2026-02-12 - **LangGraph** — Layer: frameworks; Postings: 6; Share: 0.1667; Required: 6; Open postings: 6; First seen: 2026-02-06 - **TypeScript** — Layer: languages; Postings: 6; Share: 0.1667; Required: 6; Open postings: 5; First seen: 2026-01-26 - **DeepSeek** — Layer: ai; Postings: 5; Share: 0.1389; Required: 5; Open postings: 4; First seen: 2026-05-14 - **Dify** — Layer: cloud; Postings: 5; Share: 0.1389; Required: 5; Open postings: 5; First seen: 2026-06-12 - **Git** — Layer: tools; Postings: 5; Share: 0.1389; Required: 5; Open postings: 2; First seen: 2026-01-26 - **LlamaIndex** — Layer: frameworks; Postings: 5; Share: 0.1389; Required: 5; Open postings: 5; First seen: 2026-02-26 - **vLLM** — Layer: cloud; Postings: 5; Share: 0.1389; Required: 5; Open postings: 4; First seen: 2026-01-27 - **Kubernetes** — Layer: cloud; Postings: 4; Share: 0.1111; Required: 4; Open postings: 3; First seen: 2026-02-11 - **Linux** — Layer: cloud; Postings: 4; Share: 0.1111; Required: 4; Open postings: 1; First seen: 2026-07-20 - **Prompt Engineering** — Layer: practices; Postings: 4; Share: 0.1111; Required: 4; Open postings: 4; First seen: 2026-02-12 - **PyTorch** — Layer: frameworks; Postings: 4; Share: 0.1111; Required: 4; Open postings: 3; First seen: 2026-01-27 - **SFT** — Layer: practices; Postings: 4; Share: 0.1111; Required: 4; Open postings: 4; First seen: 2026-02-12 - **PostgreSQL** — Layer: data; Postings: 4; Share: 0.1111; Required: 3; Open postings: 2; First seen: 2026-02-11 - **JavaScript** — Layer: languages; Postings: 4; Share: 0.1111; Required: 2; Open postings: 1; First seen: 2025-07-04 - **AutoGen** — Layer: frameworks; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-02-06 - **C++** — Layer: languages; Postings: 3; Share: 0.0833; Required: 3; Open postings: 2; First seen: 2026-08-26 - **CI/CD** — Layer: practices; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-04-14 - **Claude** — Layer: ai; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-02-11 - **CrewAI** — Layer: frameworks; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-02-06 - **Cursor** — Layer: tools; Postings: 3; Share: 0.0833; Required: 3; Open postings: 1; First seen: 2026-02-11 - **DPO** — Layer: practices; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-02-12 - **Gemini** — Layer: ai; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-06-12 - **MySQL** — Layer: data; Postings: 3; Share: 0.0833; Required: 3; Open postings: 1; First seen: 2026-07-20 - **NER** — Layer: practices; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-01-27 - **Qwen** — Layer: ai; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-02-12 - **Rust** — Layer: languages; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-09-09 - **Spring Boot** — Layer: frameworks; Postings: 3; Share: 0.0833; Required: 3; Open postings: 1; First seen: 2026-07-20 - **TensorFlow** — Layer: frameworks; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-01-27 - **Transformers** — Layer: frameworks; Postings: 3; Share: 0.0833; Required: 3; Open postings: 3; First seen: 2026-01-27 - **Anthropic** — Layer: cloud; Postings: 2; Share: 0.0556; Required: 2; Open postings: 2; First seen: 2026-08-17 - **Claude Code** — Layer: tools; Postings: 2; Share: 0.0556; Required: 2; Open postings: 0; First seen: 2026-05-14 - **E2B** — Layer: cloud; Postings: 2; Share: 0.0556; Required: 2; Open postings: 1; First seen: 2026-10-13 - **FastAPI** — Layer: frameworks; Postings: 2; Share: 0.0556; Required: 2; Open postings: 1; First seen: 2026-02-11 - **Go** — Layer: languages; Postings: 2; Share: 0.0556; Required: 2; Open postings: 1; First seen: 2026-01-26 - **Llama** — Layer: ai; Postings: 2; Share: 0.0556; Required: 2; Open postings: 2; First seen: 2026-01-27 - **Maven** — Layer: tools; Postings: 2; Share: 0.0556; Required: 2; Open postings: 1; First seen: 2026-10-13 - **Node JS** — Layer: languages; Postings: 2; Share: 0.0556; Required: 2; Open postings: 0; First seen: 2025-07-04 - **OpenAI** — Layer: cloud; Postings: 2; Share: 0.0556; Required: 2; Open postings: 1; First seen: 2026-07-20 - **OpenAI Codex** — Layer: tools; Postings: 2; Share: 0.0556; Required: 2; Open postings: 0; First seen: 2026-05-14 - **QLoRA** — Layer: ai; Postings: 2; Share: 0.0556; Required: 2; Open postings: 2; First seen: 2026-01-27 - **Redis** — Layer: data; Postings: 2; Share: 0.0556; Required: 2; Open postings: 1; First seen: 2026-02-26 - **SQL** — Layer: languages; Postings: 2; Share: 0.0556; Required: 2; Open postings: 0; First seen: 2025-07-04 - … 51 more in the JSON form ## Changes ### First appeared - **E2B** — First seen: 2026-10-13 - **Maven** — First seen: 2026-10-13 - **Spring Cloud** — First seen: 2026-10-13 - **Rust** — First seen: 2026-09-09 - **C++** — First seen: 2026-08-26 - **Anthropic** — First seen: 2026-08-17 - **Java** — First seen: 2026-07-20 - **Linux** — First seen: 2026-07-20 ### Not seen 180d - **TGI** — Last seen: 2026-02-26 - **TensorRT** — Last seen: 2026-02-26 - **Llama** — Last seen: 2026-02-12 - **QLoRA** — Last seen: 2026-02-12 - **LoRA** — Last seen: 2026-02-12 - **PEFT** — Last seen: 2026-02-12 ## Similar stacks - [StepFun](https://alion.io/company/stepfun-com/technologies) — Shared technologies: 74 - [DiDi Global](https://alion.io/company/didi-global/technologies) — Shared technologies: 74 - [Xiaohongshu](https://alion.io/company/xiaohongshu/technologies) — Shared technologies: 86 - [Transsion Holdings](https://alion.io/company/transsion/technologies) — Shared technologies: 73 - [DiDi Chuxing](https://alion.io/company/didichuxing-com/technologies) — Shared technologies: 69 - [JD.com](https://alion.io/company/jd-com/technologies) — Shared technologies: 65 - [Cohere](https://alion.io/company/cohere/technologies) — Shared technologies: 68 - [The Reliable Jobs](https://alion.io/company/the-reliable-jobs/technologies) — Shared technologies: 67 --- [Page](https://alion.io/company/01-ai/technologies) · [JSON](https://alion.io/company/01-ai/technologies.json) Source: Alion (alion.io), 2026-11-12. 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