Letta (MemGPT) vs OpenHands
An open-source framework for building stateful AI agents with long-term memory (formerly MemGPT). Letta lets agents remember, learn and manage their own memory over time, so they improve across conversations instead of forgetting.
🧠 Expert verdict
Our expert verdict: OpenHands is the stronger all-round choice, scoring 4.6/5 versus 4.5/5 for Letta (MemGPT), and it stands out for "70K+ GitHub stars". Choose OpenHands if you want the best agents tool overall, especially for autonomous coding tasks; pick Letta (MemGPT) if "Stateful agents with long-term memory" matters more for your workflow.
Letta (MemGPT)
An open-source framework for building stateful AI agents with long-term memory (formerly MemGPT). Letta lets agents remember, learn and manage their own memory over time, so they improve across conversations instead of forgetting.
OpenHands
A leading open-source autonomous coding agent (formerly OpenDevin) with 70K+ GitHub stars. OpenHands writes, tests and deploys code, navigates the web and runs commands to complete real dev tasks — free to self-host.
Letta (MemGPT)
✅ Pros
- +Stateful agents with long-term memory
- +Agents manage their own memory
- +Improves over time
- +Open source and free
- +Pioneered by the MemGPT research
❌ Cons
- −For developers
- −More complex than stateless bots
- −Setup and tuning
- −Newer ecosystem
OpenHands
✅ Pros
- +70K+ GitHub stars
- +Writes, tests & deploys code
- +Browses web and runs commands
- +Free and open source
- +Works with many models
❌ Cons
- −For developers to self-host
- −Needs LLM API keys
- −Review all changes
- −Compute costs at scale
🎯 Best for — Letta (MemGPT)
🎯 Best for — OpenHands
🏷️ Tags — Letta (MemGPT)
🏷️ Tags — OpenHands
Our Verdict
After comparing ratings, pricing and features, OpenHands comes out ahead with a 4.6/5 rating. It is the better choice for most users.
Expert take on each tool
📌 Letta (MemGPT)
Letta (formerly MemGPT) is the go-to open-source framework for stateful agents with real long-term memory: agents that remember and improve instead of resetting each chat. Ideal for developers building assistants meant to last and personalize.
📌 OpenHands
OpenHands (formerly OpenDevin) is the leading open-source autonomous coding agent, with 70K+ stars: it writes, tests and ships code and runs commands to finish real dev work, free to self-host. The top free alternative to Devin for engineering teams.
❓ Frequently Asked Questions
Which is better: Letta (MemGPT) or OpenHands?
OpenHands has the higher user rating (4.6/5 vs 4.5/5), making it the stronger overall pick. That said, Letta (MemGPT) can still be the better fit depending on your budget and specific needs — see the full comparison above.
Is Letta (MemGPT) or OpenHands cheaper?
Letta (MemGPT) (Free / Open Source) and OpenHands (Free / Open Source) sit at a similar price point. The best way to compare actual cost is to check each tool's plans for the specific features and usage limits you need.
Can I switch from Letta (MemGPT) to OpenHands?
Yes — switching between Letta (MemGPT) and OpenHands is usually straightforward since both are agents tools with similar core workflows. Most users can export their data and get started with OpenHands within a day; just check OpenHands's free plan before committing to a paid tier.