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Simon Willison's Blog

One of the most consistently sharp independent voices writing about AI coding tools, LLM capabilities, and their practical limits.

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Simon Willison writes frequently and specifically about AI coding tools — hands-on reviews, careful benchmarking, and clear-eyed commentary that cuts through a lot of the surrounding hype.

Particularly useful for grounded takes on how well a new tool or model actually performs at real coding tasks, rather than marketing claims.