Add Claude Fable 5 model parameters#65
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Adds API-key and subscription parameter files for claude-fable-5. Same surface as Opus 4.8 (adaptive thinking, effort up to max, no sampling params) with one difference: thinking.type only accepts adaptive — an explicit disabled value is rejected, the parameter must be omitted to run without thinking.
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What this changes
Adds Anthropic's Claude Fable 5 (
claude-fable-5) to the catalog, with both the API-key and subscription parameter files.Type of change
models/)models/, plus a logo)src/, docs, CI)Source
https://platform.claude.com/docs/en/about-claude/models/overview
Fable 5 keeps the Opus 4.7/4.8 request surface: adaptive thinking only,
thinking.display(summarized/omitted),output_config.effort(low–max), and no sampling parameters (temperature/top_p/top_kare rejected). One difference from Opus 4.8:thinking.typeonly acceptsadaptive— an explicitdisabledvalue returns a 400; the parameter must be omitted to run without thinking. That's whythinking.typelists a single value with no default, per the "fewer parameters can be correct" guidance in CONTRIBUTING.Before opening
npm run validateandnpm testpass locallymodels/<provider>/<model>.yaml, or<model>-subscription.yamlfor the subscription route