aider vs llama_index

aider and llama_index share 37 technologies: aiosqlite, pyarrow, SQLite, AIOHTTP, anyio, starlette, tornado, soupsieve, matplotlib, Rich, prompt-toolkit, SQLAlchemy, cryptography, Google, nltk, OpenAI, scikit-learn, sentence-transformers, tiktoken, tokenizers, torch, transformers, litellm, llama-index-core, filetype, jinja2, markupsafe, tinytag, pillow, beautifulsoup4, annotated-types, jsonschema-specifications, marshmallow, Pydantic, referencing, jsonschema, and psutil. Both are written in Python.

Read it as markdown

What they share and what sets them apart

Aider-AI

aider

aider is AI pair programming in your terminal

Python50kRead on November 5, 2026, at commit 5dc9490What is aider built with?

Only in aider

  • gitdb
  • google-cloud-core
  • diskcache
  • PostHog
  • asgiref
  • FastAPI
  • Streamlit
  • cycler
  • fonttools
  • contourpy
  • llama-index-instrumentation
  • llama-index-workflows
  • safetensors
  • llama-index-embeddings-huggingface
  • markdown-it-py
  • mdurl
  • pypandoc

In common

run-llama

llama_index

LlamaIndex is the document processing platform for AI

Python52.8kRead on November 5, 2026, at commit 444fdf0What is llama_index built with?

Only in llama_index

  • aiomysql
  • async-lru
  • asyncpg
  • azure-search-documents
  • azure-storage-blob
  • ibm-db
  • pgvecto-rs
  • pgvector
  • psycopg
  • psycopg2-binary
  • pyzmq
  • Redis
  • weaviate-client
  • lancedb
  • oracledb
  • DuckDB
  • pymilvus
  • tablestore
  • chromadb
  • falkordb
  • MySQL
  • pinecone
  • clickhouse-connect
  • gcsfs
  • pyiceberg
  • pymochow
  • pymysql
  • pyobvector
  • s3fs
  • tcvectordb
  • typesense
  • ElevenLabs
  • graphql-core
  • Ray
  • tinycss2
  • ipywidgets
  • matplotlib-inline
  • argon2-cffi
  • azure-identity
  • google-auth-httplib2
  • google-auth-oauthlib
  • pyjwt
  • msal
  • einops
  • firecrawl-py
  • guardrails-ai
  • mem0ai
  • opencv-python
  • PaddlePaddle
  • tavily-python
  • ibm-watsonx-ai
  • cohere
  • LangChain
  • MCP
  • dashscope
  • fastembed
  • flagembedding
  • sentencepiece
  • ModelScope
  • Ollama
  • openvino
  • tritonclient
  • vLLM
  • datasets
  • exa-py
  • flashrank
  • hnswlib
  • langfuse
  • mlx
  • mlx-lm
  • nomic
  • optimum
  • paddleocr
  • peft
  • presidio-analyzer
  • bleach
  • mistune
  • nbformat
  • newspaper3k
  • xlrd
  • bs4
  • html2text
  • unstructured
  • defusedxml
  • lxml
  • pymupdf
  • docx2txt
  • markdownify
  • docling
  • lxml-html-clean
  • markitdown
  • nbconvert
  • pdf2image
  • pdfplumber
  • pypdf
  • pypdf2
  • youtube-transcript-api
  • rfc3339-validator
  • docling-core
  • pydantic-core
  • opentelemetry-api
  • opentelemetry-semantic-conventions
  • prometheus-client
  • python-json-logger
  • boto3
  • docker
  • Alibaba Cloud
  • OpenTelemetry

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
aider40,345 lines written80 code files
llama_index473,236 lines written2,055 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
aider89.5% of its commits signed by AIWith Aider, Gemini CLI, Codex, and Claude Code
llama_index0.2% of its commits signed by AIWith Claude Code, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
aiderLast push May 22, 202612,461 commits49,968 stars
llama_indexLast push November 5, 20267,963 commits52,820 stars
TestsThe files that test the code, and the share of code files a test imports.
aider57 test files42.5% of its code files have a test that imports them
llama_index1,607 test files46.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, aider or llama_index?
llama_index, with 473,236 lines written; aider has 40,345.

The proof: run-llama/llama_index's code at commit 444fdf0

Which has more GitHub stars, aider or llama_index?
llama_index, with 52,820 stars; aider has 49,968.

The proof: run-llama/llama_index on GitHub

Which has more tests, aider or llama_index?
llama_index, with 1,607 test files; aider has 57.

The proof: run-llama/llama_index's code at commit 444fdf0

Which was updated more recently, aider or llama_index?
llama_index: its last push was on November 5, 2026, and aider's on May 22, 2026.

The proof: run-llama/llama_index's commits on GitHub

Which has more commits signed by AI, aider or llama_index?
aider: an AI signed 89.5% of its commits, with Aider, Gemini CLI, Codex, and Claude Code; in llama_index, 0.2%.

The proof: the commits each tool signed in Aider-AI/aider

See inside your code, today.

Paste your repo and see it drawn, part by part: a medium one in under a minute.

Free, no account.

Or look inside SeeRepo's own →