From the LangChain community on Reddit: I Benchmarked OpenAI Memory vs LangMem vs Letta (MemGPT) vs Mem0 for Long-Term Memory: Here’s How They Stacked UpExplore this post and more from the LangChain community·reddit.com·May 1, 2025From the LangChain community on Reddit: I Benchmarked OpenAI Memory vs LangMem vs Letta (MemGPT) vs Mem0 for Long-Term Memory: Here’s How They Stacked Up