MemOS vs OpenViking

Side-by-side comparison of two AI agent tools

M
MemOSopen-source

Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token savings and DeepSeek Harne

O
OpenVikingopen-source

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

Metrics

MemOSOpenViking
Stars11.7k39.1k
Star velocity /mo971.66666666666663.3k
Commits (90d)2641.0k
Releases (6m)1010
Overall score0.7309261006349130.887431076360378

FAQ

Which is more popular, MemOS or OpenViking?
OpenViking has more GitHub stars (39,054 vs 11,660).
Which is more actively developed, MemOS or OpenViking?
OpenViking had more commits in the last 90 days (1,028 vs 264).
Should I use MemOS or OpenViking?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.
MemOS vs OpenViking (2026): GitHub Stats, Features & Which to Choose