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Public story · 2026-02-17 · source-backed
Willison published 8 posts on February 17 — his most prolific single day in recent memory. Key outputs: (1) Claude Sonnet 4.6 review, noting "similar performance to November's Opus 4.5" at Sonnet pricing, with SVG benchmark tests noting Sonnet 4.6 "consistently added decorative top hats" to his pelican test. (2) Released Rodney v0.4.0 with rodney assert for JavaScript testing and Windows support. (3) Released Chartroom (matplotlib CLI wrapper) and datasette-showboat (remote streaming). (4) Shared Dimitris Papailiopoulos' insight on Claude Code enabling researchers to quickly assess "if a question has any meat to it." His Showboat ecosystem (Rodney + Chartroom + datasette-showboat) is now the most complete open-source agent tooling stack for AI agents to document and demonstrate their own work.
Each link below shares sources, entities, or timing with this story.
Opus built by Anthropic / Shared entities / Same source / Shared topic
Linked by a graph relationship (Opus built by Anthropic); both cover Chartroom, Claude Sonnet, Rodney, Simon Willison; cite the same source (Willison published 8 posts).
Opus built by Anthropic / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Opus built by Anthropic); both cover Chartroom, Opus, Rodney, Simon Willison; reported by the same outlet (simonwillison.net).
Claude Code criticizes Windows / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Claude Code criticizes Windows); both cover Claude Code, Opus, Simon Willison, Sonnet; reported by the same outlet (simonwillison.net).
Codex released Windows / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Codex released Windows); both cover Claude Code, Opus, Simon Willison, Sonnet; reported by the same outlet (simonwillison.net).
Claude Code criticizes Windows / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Claude Code criticizes Windows); both cover Claude Code, CLI, Opus, Simon Willison; reported by the same outlet (simonwillison.net).
Linked by a graph relationship (Claude Code criticizes Windows); both cover Claude Code, February, Opus, Simon Willison; reported by the same outlet (simonwillison.net).
Claude Code criticizes Windows / Shared entities / Shared topic / Tension
Linked by a graph relationship (Claude Code criticizes Windows); both cover Claude Code, Claude Sonnet, Opus, Sonnet; overlapping topics (benchmark, claude, code, sonnet).
AI Gateway supports Claude Code / Shared entities / Same source domain / Shared topic / What happened next / Tension
Linked by a graph relationship (AI Gateway supports Claude Code); both cover Simon Willison, SVG, Willison; reported by the same outlet (simonwillison.net).