Best of 2026

The blog posts Hacker News loved most in 2026. 763 posts.

AI & Machine Learning
577

Fixing Tool-Call Accuracy in vLLM

Tool call accuracy is an important part of serving open-weight AI models. When your tool calls aren’t accurate, the model builds up on nonsensical context. We’ve been carrying our own fork of vLLM to hit 100% in tool call schema accuracy with Kimi and DeepSeek. Fortunately, vLLM 0.31 added support for constrained…