Keep Claude working toward a goal changedgoal
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Upstream edited this page at 29 Oct 2026 19:28 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 29 Oct 2026 19:37 UTC.
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165165> [!WARNING]
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167> Claude Code reads `ANTHROPIC_DEFAULT_HAIKU_MODEL` everywhere it uses the small fast model, not only for `/goal` evaluation. When you set it, Claude Code also resolves the [`haiku` alias](https://code.claude.com/docs/en/model-config#model-aliases) to that model and runs [background functionality](https://code.claude.com/docs/en/costs.md#background-token-usage), such as conversation summarization, on it.
167> Claude Code reads `ANTHROPIC_DEFAULT_HAIKU_MODEL` everywhere it uses the small fast model, not only for `/goal` evaluation. When you set it, Claude Code also resolves the [`haiku` alias](https://code.claude.com/docs/en/model-config#model-aliases) to that model and runs session title generation and some other background tasks on it.
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169169The evaluator runs on whichever provider your session is configured for. It does not call tools, so it can only judge what Claude has already surfaced in the conversation.
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