
Mem0
Memori
Agentmemory
Tempreon
cognee
TheSecondBrain.dev
Suprflo
Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client

Managed Hosting for developers, entrepreneurs, and businesses like yours

Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | chainmemory.ai | opalstack.com |
| Pricing | ||
| Listed in |
In their own words, as submitted to SaaSHub.


ChainMemory gives your AI agents persistent memory that belongs to YOU — not to a single vendor. Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored...
No description of Opalstack yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ChainMemory and Opalstack. For example, how are they different and which one is better?
When comparing ChainMemory and Opalstack, you can also consider the following products.


Persistent memory from agent trace, not just conversation
Compare Memori to ChainMemory or Opalstack:

Persistent memory for Claude Code, Codex & coding agents
Compare Agentmemory to ChainMemory or Opalstack:

A personal memory layer for your AI tools, connected over MCP.
Compare Tempreon to ChainMemory or Opalstack:


One Brain. Everywhere you work. One memory for Claude, ChatGPT, Cursor and every AI tool you use. Runs in your own Cloudflare account. Open source.
Compare TheSecondBrain.dev to ChainMemory or Opalstack: