Skip magic words system prompt injection for Haiku models#10
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chknd1nner wants to merge 1 commit intohorselock:mainfrom
Open
Skip magic words system prompt injection for Haiku models#10chknd1nner wants to merge 1 commit intohorselock:mainfrom
chknd1nner wants to merge 1 commit intohorselock:mainfrom
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Haiku models fail when the 'You are Claude Code' system prompt is prepended. This change detects Haiku models (case-insensitive check for 'haiku' in model name) and skips the system prompt injection for those models only. Tested with claude-3-haiku and claude-3-5-haiku variants.
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Problem
Haiku models don't actually require the "You are Claude Code..." system prompt to be authenticated by the API endpoint so it's just unnecessarily confusing the model.
Solution
Detect Haiku models (case-insensitive check for "haiku" in model name) and skip the system prompt injection for those models only.