VoicesSimon Willison 8-Post Day - Sonnet 4.6 Review and Rodney v0.4.0simonwillison.net·high signalWillison published 8 posts covering Sonnet 4.6 SVG benchmarks, Rodney v0.4.0 browser automation, Chartroom CLI, and Qwen 3.5 analysis.SourceSource pagesimonwillison.net↳ Follow the threadShared entity / Stack layersqlite-utils 4.0 Was Mostly Written by Claude Fable Across 37 Prompts for ~$149Simon WillisonShared entity / Actor rolellm 0.31.1 Fixes a Tool Call Crash That Only Shows Up on Non-OpenAI Providerssimonwillison.netShared entity / Stack layerHave the agent clone a reference repo instead of describing the pattern you wantSimon WillisonStack layer / Update threadllm 0.31.1 Released — Point Update to the Command-Line LLM Harnesssimonwillison.netStack layerSimon Willison Ships llm-meta-ai 0.1, Bringing Meta's API Into the llm CLIsimonwillison.netContrastSimon Willison Breaks Down the GPT-5.6 Price Ladder: Luna, Terra, Solsimonwillison.netPolicy dependency / Stack layerPattern: Named Model Tiers Are Becoming the Primary Product Surface, Not the ModelOpenAISame source domain / Semantic neighborSimon Willison's GPT-5.6 Notes: 'Sol on Medium' Is His New Coding Default, and the Model-Picker Is the Confusing Partsimonwillison.net