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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.296 ·

Prompt hooks no longer pick the main model on gateway setups

Prompt hooks now use their own configured model or the default small model, without a gateway special case

You'll notice Improvements
JSON All of v2.1.296
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
HooksArea: what it touches
ImprovementsKind: in v2.1.296,
ImprovementsSection of the release

Unclear It is not settled whether gateway setups without ANTHROPIC_DEFAULT_HAIKU_MODEL or ANTHROPIC_SMALL_FAST_MODEL still get the main model for prompt hooks by another route.

What

A prompt hook is a hook, an action you set up to run at certain points, that asks a model to judge something. It uses the model named in the hook, or otherwise a default small model.

The special case that used the main model instead, when Claude Code ran through a gateway and neither ANTHROPIC_DEFAULT_HAIKU_MODEL nor ANTHROPIC_SMALL_FAST_MODEL was set, has been removed from this choice.

Why

On gateway setups, the model your prompt hooks query may be different from before.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not settled whether gateway setups without `ANTHROPIC_DEFAULT_HAIKU_MODEL` or `ANTHROPIC_SMALL_FAST_MODEL` still get the main model…

See this entry in the whole of v2.1.296 →

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