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core: expose v2 model listing API (#25821)

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Dax 2026-05-13 10:43:08 -04:00 • committed by GitHub
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138 changed files with 8188 additions and 302 deletions
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44
packages/core/src/plugin/provider/github-copilot.ts Normal file
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import { Effect } from "effect"
import { ModelV2 } from "../../model"
import { PluginV2 } from "../../plugin"
import { ProviderV2 } from "../../provider"
function shouldUseResponses(modelID: string) {
// Copilot supports Responses for GPT-5 class models, except mini variants
// which still need the chat-completions endpoint.
const match = /^gpt-(\d+)/.exec(modelID)
if (!match) return false
return Number(match[1]) >= 5 && !modelID.startsWith("gpt-5-mini")
}
export const GithubCopilotPlugin = PluginV2.define({
id: PluginV2.ID.make("github-copilot"),
effect: Effect.gen(function* () {
return {
"provider.update": Effect.fn(function* (evt) {
if (evt.provider.id !== ProviderV2.ID.githubCopilot) return
}),
"aisdk.sdk": Effect.fn(function* (evt) {
if (evt.package !== "@ai-sdk/github-copilot") return
const mod = yield* Effect.promise(() => import("../../github-copilot/copilot-provider"))
evt.sdk = mod.createOpenaiCompatible(evt.options)
}),
"aisdk.language": Effect.fn(function* (evt) {
if (evt.model.providerID !== ProviderV2.ID.githubCopilot) return
if (evt.sdk.responses === undefined && evt.sdk.chat === undefined) {
evt.language = evt.sdk.languageModel(evt.model.apiID)
return
}
evt.language = shouldUseResponses(evt.model.apiID)
? evt.sdk.responses(evt.model.apiID)
: evt.sdk.chat(evt.model.apiID)
}),
"model.update": Effect.fn(function* (evt) {
if (evt.model.providerID !== ProviderV2.ID.githubCopilot) return
// This chat-only alias conflicts with the Copilot GPT-5 Responses route,
// so hide it only for Copilot rather than for every provider catalog.
if (evt.model.id === ModelV2.ID.make("gpt-5-chat-latest")) evt.cancel = true
}),
}
}),
})