Agency Swarm vs MemGPT
Side-by-side from the Top 11 ranking of LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026. Last verified May 31, 2026.
The short answer
Agency Swarm ranks higher on Top 11 (#10 vs #11) for Developers building autonomous AI agents and workflows. A specialized framework for orchestrating agents built on OpenAI's Assistants API.
At a glance
| Agency Swarm | MemGPT | |
|---|---|---|
| Top 11 rank | #10 / LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026 | #11 / LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026 |
| Score (out of 9.4) | 7.4 | — |
| Best for | Multi-agent framework for OpenAI Assistants | Agents with persistent, long-term memory |
| Pricing | Free (Open Source) | Free (Open Source) |
| HQ | Open Source | Berkeley, USA |
| Founded | 2023 | 2023 |
Agency Swarm
A specialized framework for orchestrating agents built on OpenAI's Assistants API.
github.com/VRSEN/agency-swarmSee full entry in LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026
MemGPT
A novel technique for giving agents persistent, long-term memory beyond context windows.
memgpt.ai/See full entry in LangChain vs LlamaIndex vs CrewAI: 11 Best AI Agent Builder Platforms 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.