Models and effort levels changedthird-party/claude-desktop/models
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Upstream edited this page at 6 Nov 2026 21:13 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 6 Nov 2026 21:37 UTC.
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4040[`defaultModelEffort`](https://claude.com/docs/third-party/claude-desktop/configuration#defaultmodeleffort) sets the effort level the default model starts at, in place of its recommended level. Other models keep their recommended level. If you set a level the default model doesn't offer, or one above its `maxEffort`, the default model starts at the nearest lower level it offers.
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42In Code, the `CLAUDE_CODE_EFFORT_LEVEL` environment variable or `effortLevel` in Claude Code's settings takes priority.
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4244`defaultModelEffort` also applies when [model discovery](https://claude.com/docs/third-party/claude-desktop/configuration.md#modeldiscoveryenabled) fills the picker instead of an `inferenceModels` list.
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4446### Map an unrecognized model ID to a Claude model
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