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fix(provider): route non-native Cloudflare AI Gateway providers via the REST API (#44828)

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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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Charlie Gleason 2026-08-24 22:01:17 -05:00 • committed by GitHub
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1 changed files with 17 additions and 2 deletions
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packages/opencode/src/provider/provider.ts
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@ -809,6 +809,7 @@ function custom(dep: CustomDep): Record<string, CustomLoader> {
const { createUnified } = yield* Effect.promise(() => import("ai-gateway-provider/providers/unified"))
const { createOpenAI } = yield* Effect.promise(() => import("ai-gateway-provider/providers/openai"))
const { createAnthropic } = yield* Effect.promise(() => import("ai-gateway-provider/providers/anthropic"))
const { createOpenAICompatible } = yield* Effect.promise(() => import("@ai-sdk/openai-compatible"))
const metadata = iife(() => {
if (input.options?.metadata) return input.options.metadata
@ -855,9 +856,23 @@ function custom(dep: CustomDep): Record<string, CustomLoader> {
// The Unified API addresses Workers AI both with the explicit "workers-ai/" prefix and as
// bare "@cf/..." ids. Third-party providers must not receive the token; they rely on the
// gateway's stored/BYOK keys instead.
// Workers AI is Cloudflare's own upstream, so it rides the unified compat route with the
// Cloudflare token as its upstream Authorization header.
const isWorkersAi = modelID.startsWith("workers-ai/") || modelID.startsWith("@cf/")
const unified = createUnified(isWorkersAi ? { apiKey: apiToken } : {})
return aigateway(unified(modelID))
if (isWorkersAi) return aigateway(createUnified({ apiKey: apiToken })(modelID))
// Every other third-party provider (google, xai, alibaba, deepseek, moonshotai, …) is only
// served by Cloudflare's catalog-aware REST API. The universal/compat gateway route rejects
// them with "Invalid provider" (the gateway's compat endpoint doesn't front those upstreams),
// so point an OpenAI-compatible client at the REST endpoint and bind it to the gateway with
// cf-aig-gateway-id — that keeps requests gateway-routed (analytics/caching/BYOK), not a
// bypass. models.dev ids (provider/model, dotted) pass through unchanged.
return createOpenAICompatible({
name: "cloudflare-ai-gateway",
baseURL: `https://api.cloudflare.com/client/v4/accounts/${accountId}/ai/v1`,
apiKey: apiToken,
headers: { "cf-aig-gateway-id": gateway },
})(modelID)
},
options: {},
}