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feat: add Claude Opus 4.8 parameters#38

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guillaumegay13 merged 2 commits into
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feat/add-opus-4-8-parameters
Jun 1, 2026
Merged

feat: add Claude Opus 4.8 parameters#38
guillaumegay13 merged 2 commits into
mainfrom
feat/add-opus-4-8-parameters

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@brunobuddy
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💭 Why

Anthropic shipped Claude Opus 4.8 (claude-opus-4-8). The catalog should list the knobs callers can set on it.

✨ What changed

  • Add claude-opus-4-8.yaml (api_key) and claude-opus-4-8-subscription.yaml.
  • Same surface as 4.7: max_tokens, adaptive thinking, effort (low/medium/high/xhigh/max).

👤 For users

Opus 4.8 now shows up in the catalog for both API key and subscription auth.

📝 Notes

4.8 rejects manual thinking budgets (thinking.budget_tokens returns 400), so depth is controlled by the effort dial. No temperature/top_p/top_k, matching 4.7.

Adds api_key and subscription entries for claude-opus-4-8. Mirrors the
4.7 surface: adaptive thinking plus the effort dial (low/medium/high/
xhigh/max), no manual temperature/top_p/top_k or thinking budget, since
4.8 rejects extended thinking budgets and uses effort to control depth.
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vercel Bot commented May 29, 2026

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Project Deployment Actions Updated (UTC)
modelparams.dev Ready Ready Preview Jun 1, 2026 7:29am

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@github-actions github-actions Bot added the model Add a model that's missing label May 29, 2026
@guillaumegay13 guillaumegay13 merged commit 3a26793 into main Jun 1, 2026
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