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agent-framework vs llama_index

agent-framework and llama_index share 21 technologies: azure-cosmos, azure-search-documents, pgvector, psycopg, pymongo, Redis, DuckDB, oracledb, OpenAI, MCP, AIOHTTP, msal, azure-ai-inference, mem0ai, Ollama, filetype, Pydantic, jsonschema, OpenTelemetry, boto3, and psutil. Both are written in Python.

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What they share and what sets them apart

microsoft

agent-framework

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

Python14.6kRead on November 9, 2026, at commit 924a6e5What is agent-framework built with?

Only in agent-framework

In common

run-llama

llama_index

LlamaIndex is the document processing platform for AI

Python52.9kRead on November 10, 2026, at commit fe107aaWhat is llama_index built with?

Only in llama_index

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
agent-framework1,111,813 lines written1,483 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.
agent-framework27.7% of its commits signed by AIWith GitHub Copilot, Claude Code, Cursor, and Codex
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.
agent-frameworkLast push November 8, 20263,881 commits14,594 stars
llama_indexLast push November 8, 20267,964 commits52,863 stars
TestsThe files that test the code, and the share of code files a test imports.
agent-framework1,113 test files68.2% 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, agent-framework or llama_index?
agent-framework, with 1,111,813 lines written; llama_index has 473,236.

The proof: microsoft/agent-framework's code at commit 924a6e5

Which has more GitHub stars, agent-framework or llama_index?
llama_index, with 52,863 stars; agent-framework has 14,594.

The proof: run-llama/llama_index on GitHub

Which has more tests, agent-framework or llama_index?
llama_index, with 1,607 test files; agent-framework has 1,113.

The proof: run-llama/llama_index's code at commit fe107aa

Which was updated more recently, agent-framework or llama_index?
Both got their last push on November 8, 2026.

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

Which has more commits signed by AI, agent-framework or llama_index?
agent-framework: an AI signed 27.7% of its commits, with GitHub Copilot, Claude Code, Cursor, and Codex; in llama_index, 0.2%.

The proof: the commits each tool signed in microsoft/agent-framework

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