| IM Core | | | | |
| Group, live-room and 1-on-1 conversations | ✓ | ✓ | ✓ | ✓ |
| Rich media messages (image / video / file / audio) | ✓ | ✓ | ✓ | ✓ |
| Message ops (reply / quote / forward / edit / recall / delete / reactions) | ✓ | ✓ | ✓ | ✓ |
| Read receipts, delivery, presence and typing | ✓ | ✓ | ✓ | ✓ |
| Group management (roles / announcements / moderation) | ✓ | ✓ | ✓ | ✓ |
| A/V call signaling (1-on-1 / multi-party / PK) | ✓ | ✓ | ✓ | ✓ |
| Gift messages and effects | ✓ | ✓ | ✓ | ✓ |
| WebSocket + gRPC | ✓ | ✓ | ✓ | ✓ |
| Media upload (OSS) | ✓ | ✓ | ✓ | ✓ |
| Performance & Scaling | | | | |
| Horizontal scaling via RabbitMQ | — | ✓ | ✓ | ✓ |
| Horizontal scaling via NATS JetStream | — | ✓ | ✓ | ✓ |
| Protobuf high-performance encoding | — | ✓ | ✓ | ✓ |
| Offline push notifications | — | ✓ | ✓ | ✓ |
| Content moderation | — | ✓ | ✓ | ✓ |
| Message callbacks | — | ✓ | ✓ | ✓ |
| Message routing | — | ✓ | ✓ | ✓ |
| Management & Security | | | | |
| Web admin console | — | — | ✓ | ✓ |
| RBAC roles and permissions | — | — | ✓ | ✓ |
| Operation audit logs | — | — | ✓ | ✓ |
| Enterprise Ops | | | | |
| Ops trend dashboard (DAU / message volume) | — | — | ✓ | — |
| External business sync (users / friendships / history, with HA) | — | — | ✓ | — |
| RongCloud migration | — | — | ✓ | — |
| Community (super-groups & channels) | — | — | ✓ | — |
| AI Customer Service | | | | |
| AI bot DMs with streaming replies | — | — | — | ✓ |
| Human handover and release | — | — | — | ✓ |
| RAG knowledge base (pgvector) | — | — | — | ✓ |
| Function calling tools | — | — | — | ✓ |
| Voice message transcription | — | — | — | ✓ |
| beforeChat rule hooks | — | — | — | ✓ |
| AI long-term memory | — | — | — | ✓ |
| Scale & Quotas | | | | |
| Concurrent connections | 1,000 | 5,000 | 50,000 | 10,000 |
| Deployment instances | 1 | 3 | 20 | 5 |
| Daily message cap | 10,000 | 1,000,000 | ∞ | 500,000 |
| AI bots | 0 | 0 | 0 | 20 |
| KB documents | 0 | 0 | 0 | 1,000 |