Tencent open-sources Hy-Memory 2.0 persistent memory for AI agents

Tencent Hunyuan released Hy-Memory 2.0 under Apache 2.0, comprising the hy-memory 2.0.2 SDK, the MemHub app for 10 development environments, and the Hy-Memory-30B-A3B model with 3B active parameters. It scored 72.6% on the LoCoMo benchmark while cutting context per query from 1,159 to 703 tokens (−39.3%).

• LoCoMo accuracy reaches 72.6%, context per query cut by 39.3%
• Hy-Memory-30B-A3B MoE activates 3B parameters per pass
• MemHub integrates with 10 IDEs and autonomous agents
• Data stays local in SQLite and HNSW vector indexes