LLM 0.32, Simon Willison's CLI tool for talking to hundreds of models, ships its most significant update since launch: reasoning traces go to stderr, server-side tools replace local execution, and conversation logs adopt a Git-style content-addressable format. Three changes that each solve a real design problem cleanly.
DeepSeek Reasonix is a DeepSeek-native terminal coding agent that treats prefix-cache stability as a first-class invariant rather than a side effect. With 99.82% cache hit rates in reported benchmarks, it cuts a heavy session from ~$61 to ~$12 — deliberately by coupling tightly to one provider's caching behavior instead of staying provider-agnostic.