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docs: clarify that fewer parameters can be correct#59

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brunobuddy merged 1 commit into
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chore/clarify-thin-param-sets
Jun 8, 2026
Merged

docs: clarify that fewer parameters can be correct#59
brunobuddy merged 1 commit into
mainfrom
chore/clarify-thin-param-sets

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💭 Why

Issue #58 read Opus 4.7/4.8's four-parameter entries as incomplete and asked to backfill temperature, top_p, top_k, and thinking.budget_tokens. Anthropic removed those params on 4.7/4.8 (they now return an API error), so the catalog is already correct. Backfilling would describe requests the model rejects.

✨ What changed

  • New "Fewer parameters can be correct" section in CONTRIBUTING.md.
  • Scope note in the schema convention doc, citing Opus 4.7/4.8 and the GPT-5/o-series.

📝 Notes

Newer reasoning models legitimately expose fewer parameters than their
predecessors. Providers remove sampling controls (temperature, top_p,
top_k) and fixed thinking budgets, so a smaller list is often right, not
incomplete. Opus 4.7/4.8 and the GPT-5/o-series are examples already in
the catalog.

Document this in CONTRIBUTING.md and the schema convention so thin param
lists aren't mistaken for incomplete entries. Sending a removed parameter
returns an API error, so backfilling it would describe a request the
model rejects.
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modelparams.dev Ready Ready Preview Jun 8, 2026 2:15pm

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@github-actions github-actions Bot added the meta Repo docs, CI, and config label Jun 8, 2026
@brunobuddy brunobuddy merged commit 69668b3 into main Jun 8, 2026
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@brunobuddy brunobuddy deleted the chore/clarify-thin-param-sets branch June 8, 2026 14:16
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Opus 4.7 / 4.8 expose only 4 params — temperature, top_p, top_k, thinking.budget_tokens missing vs 4.5/4.6

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