Self-Hosting Kimi K3: 20% Higher Cost for 20% Better Task Resolution

Self-hosting Kimi K3: 20% more hardware cost, 20% better task resolution

I explored self-hosting Kimi K3 on an 8×B300 node, finding it costs 20% more hardware than our GLM-5.2 setup but resolves 24 percentage points more tasks. While token throughput drops and task times increase, the significant quality gain suggests that for heavy coding workloads, owning infrastructure might outweigh the volatility of API token bills. The key lies in balancing peak usage against developer experience.