Shortlist by what you need
Start here if you know why you are leaving MemGPT.
Want the closest match?
Mem0Most similar to MemGPT in what it does, its category and its price.
Visit (opens Mem0 in a new tab)Need a free plan?
LobeHubHas a free plan, rated 4.0 out of 5.
Visit (opens LobeHub in a new tab)Want the lowest price?
KiloClawFrom $55/mo, the lowest starting price here.
Visit (opens KiloClaw in a new tab)Want the best rated?
VectorizeRated 4.1 out of 5 in our review, against 4.0 for MemGPT.
Visit (opens Vectorize in a new tab)
At a glance
Green means better than MemGPT, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 MemGPTBaseline | 4.0 | Free | Yes | Stateful agents with persistent memory that learn continuously rather than resetting each session. | |
| Mem0 | 4.2+0.2 | $19/mo | Yes | Open-source memory layer that lets AI agents retain and recall context across sessions. | vs MemGPT |
| Vectorize | 4.1+0.1 | Not listed | No | Agent memory that reflects on what it stored, recalling in under 100ms across sessions. | vs MemGPT |
 AUI | 4.1+0.1 | Not listed | No | Neuro-symbolic model built for task-oriented dialogue rather than open-ended chat. | vs MemGPT |
| LobeHub | 4.0Same | Free | Yes | A workspace for finding, building and collaborating with a team of AI agents. | vs MemGPT |
 Kanwas | 3.9−0.1 | Free | Yes | A shared context workspace that keeps product strategy, market signals and agent workflows in one place. | vs MemGPT |
 AI21 Studio | 4.0Same | Not listed | No | Developer platform for AI21's Jamba language models, with a playground and pay-per-token API access. | vs MemGPT |
| KiloClaw | 3.9−0.1 | $55/mo | No | Kilo's hosted OpenClaw service deploys a production AI agent from a browser tab in under a minute. | vs MemGPT |
 ProMind AI | 3.3−0.7 | Free | Yes | Pre-built AI 'Minds' for specific professional roles - Content Creator, Software Engineer, Investing Coach - or build your own custom agent. Remembers what you've told it, gets more personalized the more you use it. | vs MemGPT |
The alternatives in detail
In order of how closely each one matches MemGPT.
Mem0
4.2$19/mo
vs MemGPT+0.2
Open-source memory layer that lets AI agents retain and recall context across sessions.
- Selective memory extraction instead of full conversation-history storage
- Open-source core with a hosted cloud API option
- Cross-session personalization for AI assistants and agents
Open-source core gives developers a self-hosted option alongside the managed API
Selective-memory approach can miss context a full-window approach would have caught
Vectorize
4.1Not listed
vs MemGPT+0.1
Agent memory that reflects on what it stored, recalling in under 100ms across sessions.
- Per-user memory persisting across sessions
- Recall in under 100 milliseconds
- Reflection layer consolidating observations into knowledge
Reflection stops memory degrading into an unusable pile
No published pricing
AUI
4.1Not listed
vs MemGPT+0.1
Neuro-symbolic model built for task-oriented dialogue rather than open-ended chat.
- Apollo-1 foundation model
- Neuro-symbolic reasoning rather than pure generation
- Stateful tracking across a task
Targets a specific failure of chat models rather than general capability
Access is by request, with no self-serve signup
LobeHub
4.0Free
vs MemGPTSame
A workspace for finding, building and collaborating with a team of AI agents.
- Workspace for operating multiple agents rather than one assistant
- Agents that accumulate context across sessions
- Open-source lineage from the LobeChat project
Open source, so it can be self-hosted and inspected
Coordinating multiple agents reliably is harder than the pitch implies
Kanwas
3.9Free
vs MemGPT−0.1
A shared context workspace that keeps product strategy, market signals and agent workflows in one place.
- Persistent workspace that keeps strategy documents, research and market signals linked rather than siloed
- Agent workflows that execute against the team's stored context instead of a blank prompt
- Collaborative editing so context is a shared team asset, not one person's notes
Solves a real and specific problem: AI output that ignores prior decisions
Payoff depends on the team actually consolidating its documents into one workspace
AI21 Studio
4.0Not listed
vs MemGPTSame
Developer platform for AI21's Jamba language models, with a playground and pay-per-token API access.
- API and playground access to the Jamba model family
- Hybrid Mamba-Transformer architecture for long-context efficiency
- Context windows up to 256,000 tokens
Jamba's hybrid architecture handles long documents more efficiently than pure transformers
Trial credit expires after three months whether used or not
KiloClaw
3.9$55/mo
vs MemGPT−0.1
Kilo's hosted OpenClaw service deploys a production AI agent from a browser tab in under a minute.
- Persistent VM per agent with shell access and cross-session memory
- Headless browser control for web-based tasks
- Cron-style scheduling for recurring jobs
Deploys a working agent in under 60 seconds without server setup
$55/month starting price with only a 1-day trial to evaluate it
ProMind AI
3.3Free
vs MemGPT−0.7
Pre-built AI 'Minds' for specific professional roles - Content Creator, Software Engineer, Investing Coach - or build your own custom agent. Remembers what you've told it, gets more personalized the more you use it.
- Pre-built role-specific AI 'Minds' (Content Creator, Software Engineer, and more)
- Custom agent creation for specific workflows
- Persistent memory that improves personalization over time
Persistent cross-session memory genuinely personalizes over time, unlike a fresh-start chatbot
Free tier is quite limited (140 words)
FAQ
Questions people ask
Is MemGPT free?
MemGPT has a free plan.
What is the best free alternative to MemGPT?
Mem0 is the highest-rated alternative here with a free plan (4.2 out of 5). Other free options: LobeHub, Kanwas, ProMind AI.
What is the cheapest alternative to MemGPT?
Among paid plans, Mem0 has the lowest starting price (from $19/mo). If you need it free, start with Mem0.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.