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ssncferreirassncferreira
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fix: price Copilot utility model calls at zero (#29226)
Add zero-price entries for Copilot’s GPT-4o mini, GPT-4o, and GPT-4.1, based on GitHub’s [utility-model documentation](https://docs.github.com/en/copilot/concepts/models/utility-models#list-of-utility-models). Keep GPT-5.4 nano’s existing rates: background utility calls are unbilled, but GitHub also publishes [Copilot prices specifically for GPT-5.4 nano’s billable usage](https://docs.github.com/en/copilot/reference/copilot-billing/models-and-pricing#openai). AI Gateway cannot distinguish utility calls from billable usage by model ID, so we retain Nano’s published rates. This overestimates costs for its unbilled utility calls. No existing model prices are changed. > [!NOTE] > Generated by Coder Agents on behalf of @ssncferreira.
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‎coderd/aibridge/prices/data/prices.json‎

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‎scripts/aibridgepricesgen/overrides.jq‎

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@@ -62,6 +62,31 @@ end
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}
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end
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# Copilot does not charge for background utility calls using GPT-4o mini,
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# GPT-4o, or GPT-4.1, so record zero prices for these models.
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# Ref: https://docs.github.com/en/copilot/concepts/models/utility-models#list-of-utility-models
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#
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# Keep GPT-5.4 nano's upstream rates: utility calls are unbilled, but other
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# usage has published prices. The model ID alone cannot distinguish them.
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# Ref: https://docs.github.com/en/copilot/reference/copilot-billing/models-and-pricing#openai
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| if (has("github-copilot") | not) then
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error("overrides.jq: github-copilot missing upstream; update the utility model overrides")
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else
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reduce [
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{id: "gpt-4o-mini", name: "GPT-4o mini"},
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{id: "gpt-4o", name: "GPT-4o"},
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{id: "gpt-4.1", name: "GPT-4.1"}
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][] as $model (.;
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if (."github-copilot".models | has($model.id)) then
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error("overrides.jq: github-copilot/\($model.id) now present upstream; review and drop the injection")
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else
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."github-copilot".models[$model.id] = (
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$model | .cost = {input: 0, output: 0, cache_read: 0, cache_write: 0}
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)
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end
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)
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end
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# Mapping of provider names on models.dev to our own names
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# Ref. table definition for ai_provider_type
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# amazon-bedrock -> bedrock

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