GitHub Copilot SDK vs LlamaIndex
LlamaIndex has the bigger following here, with 52,641 GitHub stars to 10,571 for GitHub Copilot SDK. Weekly downloads are closer: 1,391,530 against 1,170,556. Both are MIT licensed, graded A for freshness, and last active in Oct 2026.
The case for GitHub Copilot SDK is language coverage and release status. It suits TypeScript and Go projects, and LlamaIndex is marked beta. LlamaIndex is the Python toolkit for RAG and agents over your own data, with 300+ integration packages.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
GitHub Copilot SDK
GitHub
Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.
LlamaIndex
LlamaIndex
Open-source Python toolkit for RAG and agents over your own data, with event-driven workflows and 300+ integration packages.
Who should pick which
- Pick GitHub Copilot SDK if you work in TypeScript and Go.
- Pick GitHub Copilot SDK if you want a stable release (LlamaIndex is marked beta).
- LlamaIndex has the larger community: 52,641 GitHub stars against 10,571.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | GitHub Copilot SDK | LlamaIndex |
|---|---|---|
| Type | Harness | Harness |
| Publisher | GitHub | LlamaIndex |
| License | MIT | MIT |
| Pricing | Not stated | Not stated |
| Runs | Not stated | Not stated |
| Auth | Not stated | Not stated |
| Hosts supported | Not stated | Not stated |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | AFreshness: A | AFreshness: A |
| GitHub stars | 10,571 | 52,641 |
| Weekly downloads | 1,170,556 | 1,391,530 |
| Last release | Oct 22, 2026 | Sep 21, 2026 |
| Last activity | Oct 24, 2026 | Oct 14, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
GitHub Copilot SDK
npm install @github/copilot-sdk
LlamaIndex
pip install llama-index
Also consider
- 0.867score
Pi Agent Core
Earendil
Minimal TypeScript agent harness with an agent runtime, multi-provider LLM API, terminal UI and coding agent CLI that users extend themselves.
HarnessAFreshness: A★ 117.6K↓ 5.1M/wk - 0.809score
Rig
Playgrounds
Rust library for LLM applications with agents, tool calling, streaming and 20+ model providers, plus a terminal coding agent.
HarnessAFreshness: A★ 9K↓ 152.4K/wk - 0.753score
LangChain
LangChain
Python framework of interoperable components and integrations for building agents and LLM apps, with LangGraph and Deep Agents layered above it.
HarnessAFreshness: A★ 148.4K↓ 37.3M/wk
Questions
- Is GitHub Copilot SDK or LlamaIndex more popular?
- LlamaIndex has more GitHub stars (52,641 against 10,571). Stars measure attention, not quality, so check freshness and docs too.
- Are GitHub Copilot SDK and LlamaIndex open source?
- Yes: GitHub Copilot SDK is MIT and LlamaIndex is MIT.
Related
- AlternativesAlternatives to GitHub Copilot SDK
- AlternativesAlternatives to LlamaIndex
- Best ofBest agent frameworks for Python
- Best ofBest agent frameworks for TypeScript
- ComparisonGitHub Copilot SDK vs LangChain
- ComparisonGitHub Copilot SDK vs Pi Agent Core
- ComparisonLlamaIndex vs Strands Agents
- ComparisonDeep Agents vs LlamaIndex
Cite this page
GitHub Copilot SDK vs LlamaIndex. Agent Mart. https://agentmart.dev/compare/github-copilot-sdk-vs-llamaindex (last updated 2026-10-26)