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Long-term memory for AI agents
The top alternatives to LangMem in the Memory Layer space, compared on features, pricing, and what they're best at.
Updated March 10, 2026
LangMem provides memory management for LLM applications with persistent context storage. The platform provides comprehensive features for production AI applications with focus on reliability and developer experience.
One platform for routing, observability, tracing, and evals across every LLM provider.
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.
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