Source: https://seerepo.com/compare/dagster-io/dagster/vs/run-llama/llama_index
Markdown source: https://seerepo.com/compare/dagster-io/dagster/vs/run-llama/llama_index.md
Description: dagster and llama_index share 20 technologies: psycopg2-binary, azure-storage-blob, pyarrow, DuckDB, MySQL, Google, starlette, AIOHTTP, Rich, SQLAlchemy, azure-identity, pyjwt, OpenAI, jinja2, Pydantic, jsonschema, boto3, docker, psutil, and prometheus-client. Both are written in Python.

# dagster vs llama_index

dagster and llama_index share 20 technologies: psycopg2-binary, azure-storage-blob, pyarrow, DuckDB, MySQL, Google, starlette, AIOHTTP, Rich, SQLAlchemy, azure-identity, pyjwt, OpenAI, jinja2, Pydantic, jsonschema, boto3, docker, psutil, and prometheus-client. Both are written in Python.

- [dagster-io/dagster](https://seerepo.com/r/dagster-io/dagster): An orchestration platform for the development, production, and observation of data assets.
- [run-llama/llama_index](https://seerepo.com/r/run-llama/llama_index): LlamaIndex is the document processing platform for AI

## What they share and what sets them apart

- In common: psycopg2-binary, azure-storage-blob, pyarrow, DuckDB, MySQL, Google, starlette, AIOHTTP, Rich, SQLAlchemy, azure-identity, pyjwt, OpenAI, jinja2, Pydantic, jsonschema, boto3, docker, psutil, prometheus-client
- Only in dagster: React, azure-storage-file-datalake, db-dtypes, dbt-core, mysql-connector-python, snowflake-sqlalchemy, dlt, Celery, clickhouse-driver, deltalake, Google Cloud Storage, FastAPI, graphene, pyspark, uvicorn, Next.js, react-router-dom, React Router, lru-cache, bokeh, questionary, alembic, sqlglot, flask-session, google-auth, oauth2client, deepeval, MLflow, markdown, wordcloud, cattrs, validators, kubernetes, Prefect, structlog, azure-core, coloredlogs, Datadog, validator, highlight.js, react-markdown, remark, remark-gfm, codemirror, Radix UI, TanStack, @blueprintjs/core, @react-hook/resize-observer, react-day-picker, sonner, yaml, chartjs-adapter-date-fns, Chart.js, dagre, react-chartjs-2, visx, @rjsf/core, ansi-to-react, chartjs-plugin-zoom, rehype-highlight, rehype-sanitize, remark-breaks, rjsf
- Only in llama_index: aiomysql, aiosqlite, async-lru, asyncpg, azure-search-documents, ibm-db, pgvecto-rs, pgvector, psycopg, pyzmq, Redis, weaviate-client, lancedb, oracledb, pymilvus, SQLite, tablestore, chromadb, falkordb, pinecone, clickhouse-connect, gcsfs, pyiceberg, pymochow, pymysql, pyobvector, s3fs, tcvectordb, typesense, ElevenLabs, anyio, graphql-core, tornado, Ray, soupsieve, tinycss2, ipywidgets, matplotlib-inline, prompt-toolkit, matplotlib, argon2-cffi, google-auth-httplib2, google-auth-oauthlib, cryptography, msal, einops, firecrawl-py, guardrails-ai, llama-index-core, mem0ai, opencv-python, PaddlePaddle, tavily-python, torch, transformers, ibm-watsonx-ai, cohere, LangChain, tiktoken, MCP, sentence-transformers, dashscope, fastembed, flagembedding, nltk, sentencepiece, litellm, ModelScope, Ollama, openvino, scikit-learn, tritonclient, vLLM, datasets, exa-py, flashrank, hnswlib, langfuse, mlx, mlx-lm, nomic, optimum, paddleocr, peft, presidio-analyzer, tokenizers, beautifulsoup4, bleach, markupsafe, mistune, nbformat, newspaper3k, xlrd, pillow, bs4, html2text, unstructured, defusedxml, lxml, pymupdf, filetype, docx2txt, markdownify, docling, lxml-html-clean, markitdown, nbconvert, pdf2image, pdfplumber, pypdf, pypdf2, tinytag, youtube-transcript-api, jsonschema-specifications, marshmallow, referencing, rfc3339-validator, docling-core, annotated-types, pydantic-core, opentelemetry-api, opentelemetry-semantic-conventions, python-json-logger, Alibaba Cloud, OpenTelemetry

## Side by side

| | dagster | llama_index |
|---|---|---|
| Size | 1,373,416 lines written, 3,347 code files | 473,236 lines written, 2,055 code files |
| Who writes it | 1.4% of its commits signed by AI. With Claude Code, Gemini CLI, and Aider | 0.2% of its commits signed by AI. With Claude Code, Cursor, and GitHub Copilot |
| Activity | Last push November 7, 2026, 28,090 commits, 16,376 stars | Last push November 5, 2026, 7,963 commits, 52,820 stars |
| Tests | 2,682 test files. 15.3% of its code files have a test that imports them | 1,607 test files. 46.5% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, dagster or llama_index?

dagster, with 1,373,416 lines written; llama_index has 473,236.

The proof: [dagster-io/dagster's code at commit 55208da](https://github.com/dagster-io/dagster/tree/55208da7a9dc8fe3cea511d39508b97f73ab8769)

### Which has more GitHub stars, dagster or llama_index?

llama_index, with 52,820 stars; dagster has 16,376.

The proof: [run-llama/llama_index on GitHub](https://github.com/run-llama/llama_index)

### Which has more tests, dagster or llama_index?

dagster, with 2,682 test files; llama_index has 1,607.

The proof: [dagster-io/dagster's code at commit 55208da](https://github.com/dagster-io/dagster/tree/55208da7a9dc8fe3cea511d39508b97f73ab8769)

### Which was updated more recently, dagster or llama_index?

dagster: its last push was on November 7, 2026, and llama_index's on November 5, 2026.

The proof: [dagster-io/dagster's commits on GitHub](https://github.com/dagster-io/dagster/commits)

### Which has more commits signed by AI, dagster or llama_index?

dagster: an AI signed 1.4% of its commits, with Claude Code, Gemini CLI, and Aider; in llama_index, 0.2%.

The proof: [the commits each tool signed in dagster-io/dagster](https://seerepo.com/r/dagster-io/dagster/ai)

## Sources

- dagster-io/dagster: Read on November 7, 2026, at commit 55208da (https://github.com/dagster-io/dagster/tree/55208da7a9dc8fe3cea511d39508b97f73ab8769)
- run-llama/llama_index: Read on November 5, 2026, at commit 444fdf0 (https://github.com/run-llama/llama_index/tree/444fdf0684707de62ebb447d658dba137dd9cb99)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.