Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
PersistMemory is a long-term memory platform designed for AI Agents and LLM applications. It solves the issue of context loss after sessions end in tools like ChatGPT, Claude, Gemini, and Copilot. It vectorizes and stores conversations, documents, code snippets, and knowledge, then recalls relevant memories for subsequent tasks via semantic search. It acts more like a hosted AI memory layer rather than an independent large language model.
The platform emphasizes Vector Memory, Isolated Spaces, MCP Native, and API First. MCP can integrate with Claude Desktop, Claude Code, Cursor, VS Code/GitHub Copilot, Windsurf, Cline, etc.; REST API can be used in scenarios like LangChain, CrewAI, AutoGPT, and custom applications. Compared to using Pinecone, Weaviate, or Qdrant directly, it encapsulates embeddings, chunking, search ranking, and access control, thereby reducing development costs. Space isolation is suitable for managing memories by client, project, or topic.
The page explicitly states "Free to start" and "No credit card required," and you can get an API key after registration. However, it does not disclose free tier quotas, request limits, storage caps, paid plans, or enterprise pricing. Therefore, cost predictability is still insufficient, and further confirmation is needed before production deployment.
Pros include a clear integration path, complete MCP configuration examples, and REST API coverage for spaces, memories, messages, chats, and API key management; it offers practical value for developers building long-term contexts, reducing repetitive prompts, and saving token consumption. Cons include limited privacy information disclosure—only space isolation and access control are visible, with no details on encryption, compliance, or data retention; Chinese language support is not explicitly stated; the MCP method relies on Node.js 18+ and npx, which presents a high barrier for non-technical users.
It is suitable for developers building autonomous agents, multi-agent teams, AI customer service, code assistants, personal AI assistants, and development teams requiring long-term project context. If you only use a chatbot occasionally, its value is less obvious than for continuous workflows.
The scraped content provides no information on network accessibility from mainland China, payment methods, or localization, so this remains unknown. If access is restricted, consider self-hosted vector database solutions or evaluate alternatives like Mem0, LangChain Memory, Pinecone, Weaviate, or Qdrant.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on persistmemory.com official site.
persistmemory.com is an Unknown AI Apps provider. TG4G tracks its product information, an overall rating of 8.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach persistmemory.com directly.