X · @simonw
· X / Twitter
Claude Haiku is my current least favorite model – it hallucinates wildly, and is out-performed now by other similarly priced models like GPT-5.6-Luna …
Claude Haiku is my current least favorite model - it hallucinates wildly, and is out-performed now by other similarly priced models like GPT-5.6-LunaEven worse: it seems to still be used by the Claude Code WebFetch tool, which means hallucination risk any time you fetch a URL!