Source Intelligence

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Model catalog ships per-effort cost multipliers

Under the hood
Useful2 Signal4
Model Catalog

Bundled models carry per-effort cost multipliers, though nothing in this build reads them.

Cost multipliers per effort level ship in the model catalog and remote schema with no reader.

What

Four entries in the bundled model list now carry a cost multiplier per effort level, for example low: 0.47, medium: 0.74, high: 1, xhigh: 2.41, max: 5.59 on one and a gentler xhigh: 1.6, max: 1.7 on others, alongside the existing default effort of high. The remote config schema was extended to match, each level an optional positive number, so a server can override them. No code in this build reads the values back.

Details
  • The data is present in every build, which points at cost-aware effort selection landing later.
Evidence

effort_cost_index

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.224 →