Amazon Bedrock AgentCore SDK vs LlamaIndex
Amazon Bedrock AgentCore SDK and LlamaIndex are both Python tools, but they sit in different places. The AgentCore SDK, from AWS, deploys agents to Amazon Bedrock AgentCore, a managed runtime with memory, gateway, tools and observability. LlamaIndex is a toolkit for RAG and agents over your own data, with 300+ integration packages.
Pick the AgentCore SDK if you want MCP support built in or a stable release, since LlamaIndex is marked beta. LlamaIndex has 52,641 GitHub stars and 1,391,530 weekly downloads, against 780 stars and 1,598,976 downloads. Licenses are Apache-2.0 and MIT.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
Amazon Bedrock AgentCore SDK
AWS
Python SDK for deploying agents to Amazon Bedrock AgentCore, a managed runtime with memory, gateway, tools and observability.
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 Amazon Bedrock AgentCore SDK if you want MCP support built in.
- Pick Amazon Bedrock AgentCore SDK if you want a stable release (LlamaIndex is marked beta).
- LlamaIndex has the larger community: 52,641 GitHub stars against 780.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | Amazon Bedrock AgentCore SDK | LlamaIndex |
|---|---|---|
| Type | Harness | Harness |
| Publisher | AWS | LlamaIndex |
| License | Apache-2.0 | 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 | 780 | 52,641 |
| Weekly downloads | 1,598,976 | 1,391,530 |
| Last release | Oct 23, 2026 | Sep 21, 2026 |
| Last activity | Oct 23, 2026 | Oct 14, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
Amazon Bedrock AgentCore SDK
pip install bedrock-agentcore
LlamaIndex
pip install llama-index
Also consider
- 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 - 0.748score
LangGraph
LangChain
Low-level Python orchestration framework for long-running stateful agents, with durable execution, human review points and short- and long-term memory.
HarnessAFreshness: A★ 43.8K↓ 13.1M/wk - 0.732score
CrewAI
CrewAI
Open-source Python framework for multi-agent workflows, with role-based Crews and event-driven Flows.
HarnessAFreshness: A★ 60.1K↓ 644.6K/wk
Questions
- Is Amazon Bedrock AgentCore SDK or LlamaIndex more popular?
- LlamaIndex has more GitHub stars (52,641 against 780). Stars measure attention, not quality, so check freshness and docs too.
- Are Amazon Bedrock AgentCore SDK and LlamaIndex open source?
- Yes: Amazon Bedrock AgentCore SDK is Apache-2.0 and LlamaIndex is MIT.
Related
- AlternativesAlternatives to Amazon Bedrock AgentCore SDK
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- Best ofBest agent frameworks for Python
- ComparisonAmazon Bedrock AgentCore SDK vs LangChain
- ComparisonAmazon Bedrock AgentCore SDK vs CrewAI
- ComparisonLlamaIndex vs Strands Agents
- ComparisonGitHub Copilot SDK vs LlamaIndex
- ComparisonDeep Agents vs LlamaIndex
Cite this page
Amazon Bedrock AgentCore SDK vs LlamaIndex. Agent Mart. https://agentmart.dev/compare/amazon-bedrock-agentcore-sdk-vs-llamaindex (last updated 2026-10-26)