--- title: "3 Best Mem0 Alternatives in 2026 (Compared)" description: "Looking for a Mem0 alternative? Compare the best AI Agent Memory alternatives to Mem0 by pricing, free tiers, and features — find the right fit for your startup." source: https://appstackbuilder.com/tool-alternatives/mem0 retrieved: 2026-10-17 --- AI Agent Memory # The 3 Best Mem0 Alternatives in 2026 Looking for an alternative to [Mem0](https://appstackbuilder.com/tools/mem0)? Below we compare the best ai agent memory alternatives by pricing, free tiers, and what each is best for — so you can pick the right fit for your budget and stack. Category AI Agent Memory Mem0 pricing Free tier available Free tier Yes Alternatives 3 compared ## Why look for a Mem0 alternative? Mem0 is a solid ai agent memory choice, but it isn't the right fit for everyone. The most common reasons teams evaluate alternatives: * −Graph memory is Pro-only ($249/month) on the platform * −Benchmark figures are self-reported * −Retrieval caps on low tiers are tight ## Mem0 vs Alternatives — Quick Comparison | Tool | Pricing | Free tier | Rating | Best for | | ----------------------------------- | ------------------------ | --------- | ------ | ----------------------------------------------- | | [Mem0](https://appstackbuilder.com/tools/mem0)You searched | Free · paid from $19/mo | ✓ | 4.6 | AI Agent Memory — open-source, long-term-memory | | 1.[Zep](https://appstackbuilder.com/tools/zep) | Free · paid from $125/mo | ✓ | 4.5 | AI Agent Memory — knowledge-graph, temporal | | 2.[Cognee](https://appstackbuilder.com/tools/cognee) | Free · paid from $1/mo | ✓ | 4.4 | AI Agent Memory — knowledge-graph, open-source | | 3.[Supermemory](https://appstackbuilder.com/tools/supermemory) | Free · paid from $19/mo | ✓ | 4.4 | AI Agent Memory — context-engine, rag | ## Top Mem0 Alternatives, Explained ![Zep](https://www.google.com/s2/favicons?domain=getzep.com&sz=128) ### 1. Zep Free tier4.5· Free · paid from $125/mo Zep stores what agents learn as a temporal knowledge graph, so it knows not just a fact but when it became true and when it stopped being true. Its open-source engine, Graphiti (Apache-2.0, about 32K stars), can be self-hosted on Neo4j, FalkorDB or Neptune; Zep Cloud adds managed users and threads, proprietary extraction and reranking models, a dashboard and governance. Zep Community Edition is deprecated, so self-hosting now means building on Graphiti. Pricing is credit-based (one credit per 350-byte episode; retrieval is free): Free 10K credits a month, Flex $125/month (50K credits), Flex Plus $375/month (200K credits), Enterprise custom with SOC 2 Type II, HIPAA and VPC deployment. * ✓Temporal graph: knows when facts changed * ✓Retrieval does not consume credits * ✓Open-source engine (Graphiti) underneath [Zep pricing & review ](https://appstackbuilder.com/tools/zep)[Mem0 vs Zep ](https://appstackbuilder.com/compare/mem0-vs-zep) ![Cognee](https://www.google.com/s2/favicons?domain=cognee.ai&sz=128) ### 2. Cognee Free tier4.4· Free · paid from $1/mo Cognee builds a knowledge graph plus vector index from documents, code and conversations, and gives agents four operations: remember, recall, improve and forget. Answers come with the graph evidence behind them. It can run entirely locally with a bundled extraction model and no LLM key, and has Python, TypeScript and Rust SDKs, a CLI, REST and an MCP server, with plugins for Claude Code and Codex. The library is free to self-host. Cognee Cloud is free for 1M tokens, then $1 per 1M tokens plus $5 per extra workspace; Enterprise is a bring-your-own-cloud engagement. * ✓Graph memory with evidence for every answer * ✓Runs locally without an LLM key * ✓Cheap usage-based cloud [Cognee pricing & review ](https://appstackbuilder.com/tools/cognee)[Mem0 vs Cognee ](https://appstackbuilder.com/compare/cognee-vs-mem0) ![Supermemory](https://www.google.com/s2/favicons?domain=supermemory.ai&sz=128) ### 3. Supermemory Free tier4.4· Free · paid from $19/mo Supermemory is a memory and context engine you call through an API: add content, then search or fetch a user profile that combines remembered facts with document retrieval. It handles contradictions and forgets expired facts, ingests PDFs, images, video and code, and syncs Google Drive, Gmail, Notion, OneDrive and GitHub. It also ships MCP and plugins that give Claude Code, Cursor and Codex persistent memory. The repository is MIT-licensed and a local server is available, but managed self-hosting is on Scale and Enterprise. Plans are credit-based: Free $5 of usage a month, Pro $19/month ($20 credit), Max $100/month ($130 credit), Scale $399/month ($600 credit, SOC 2, HIPAA, self-hosted option), Enterprise custom. * ✓Memory plus document RAG in one API * ✓Built-in connectors for Gmail, Drive, Notion, GitHub * ✓Low entry price ($19/month) [Supermemory pricing & review ](https://appstackbuilder.com/tools/supermemory)[Mem0 vs Supermemory ](https://appstackbuilder.com/compare/mem0-vs-supermemory) [In-depth guideBest AI Agent Memory 2026: Mem0 vs Zep vs Cognee vs SupermemoryYour agent forgets everything when the chat ends. Two open-source memory layers and two managed services compared on how they store memory, what they cost for 1,000 users, and why every vendor claims the top benchmark score.](https://appstackbuilder.com/blog/best-ai-agent-memory-2026) ## Frequently Asked Questions What are the best alternatives to Mem0 in 2026?⌄ The best Mem0 alternatives in 2026 are Zep, Cognee, Supermemory. Each is a ai agent memory option you can compare on pricing, free tiers, and features in the table above. Is there a free alternative to Mem0?⌄ Yes — Zep, Cognee, Supermemory offer free tiers, making them strong free Mem0 alternatives for bootstrapped startups. Why look for a Mem0 alternative?⌄ A common reason teams switch is graph memory is pro-only ($249/month) on the platform. Beyond that, people compare ai agent memory tools on pricing, specific feature gaps, ease of use, and whether an open-source or free-tier option exists — so they can pick the best fit for their stack and budget. What is the cheapest Mem0 alternative?⌄ Zep is among the most affordable Mem0 alternatives — free · paid from $125/mo. Check the comparison table above for the full pricing breakdown. Which Mem0 alternative is rated highest?⌄ Zep is the highest-rated Mem0 alternative in our catalog at 4.5 out of 5, making it a strong pick if you want a well-reviewed option. ## Find your perfect ai agent memory tool Skip the research. Get a free AI-powered tech stack matched to your budget, app type, and team size in seconds. [Build my stack free ](https://appstackbuilder.com/)