Alternatives · AI Agents
Mem0 alternatives
As of Nov 12, 2026, the highest-graded Mem0 alternative is Mastra (2.8 GPA). It's also the best free one.
Mem0 compared with 5 alternatives: Letta, Mastra, CrewAI, Agenta and E2B.
Mem0 has a free plan. 4 of the 5 alternatives are free or have a free plan. One more offers a free trial.
Listings checked up to Nov 12, 2026 · Where the facts come from
Black Friday: is there a Mem0 sale?
At a glance
How each one differs from Mem0
Letta
Stateful agents with long-term memory, from the MemGPT team
- Letta starts at $20 per month.
- Letta also covers workflow automation.
Suits: Developers building agents that need memory across sessions
Mastra
TypeScript framework for building and running AI agents
- Mastra starts at $25 per workspace / month.
- Mastra also covers workflow automation.
Suits: TypeScript teams building agents inside Next.js, React or Node apps
CrewAI
Multi-agent platform to build, run and govern AI agents
- CrewAI also covers workflow automation and no-code.
Suits: Developers who want a free multi-agent framework with a hosted option
Agenta
Open-source workspace for building team AI agents and automations
- Agenta starts at $29 per month (Pro, unlimited users, 10,000 agent runs included).
- Agenta also covers templates, workflow automation and no-code.
Suits: Teams that want to self-host their agent platform under an MIT license
E2B
Cloud sandboxes where AI agents run code and tools
- E2B starts at $150 per month, plus per-second sandbox usage.
- E2B has no free plan, only a free trial, unlike Mem0.
Suits: Teams building coding or data-analysis agents that must execute untrusted code
Limits worth knowing in Mem0
- The pricing page shows only a Free plan and a Custom plan; the price of Custom is not published.
- The Free plan includes 10,000 adds and 1,000 retrievals for the first 30 days with model calls on Mem0; after that you supply your own LLM key.
- Graph memory, user profiles, advanced analytics, SSO, audit logs and on-prem deployment are limited to Custom.
- Past the free limits, usage is billed, but the page does not state the rates.
Common questions
What are the alternatives to Mem0?
The alternatives to Mem0 in this directory are Letta, Mastra, CrewAI, Agenta and E2B. Each one has a side-by-side comparison with Mem0.
Is there a free alternative to Mem0?
Yes. Letta, Mastra, CrewAI and Agenta have a free plan alongside paid ones.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 9, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.