feat(opencode): native OpenAI and Anthropic passthroughs for Cloudflare AI Gateway (#42634)

Co-authored-by: Keefe Tang <keefe@pentagram.me>
2026-08-16 23:53:20 -05:00
parent 2f09b45ac8
commit a7dd1d6ca8
5 changed files with 265 additions and 105 deletions
@@ -24,9 +24,15 @@ export const CloudflareAIGatewayPlugin = define({
          apiKey: config.apiKey,
          options: gatewayOptions(evt.options, metadata),
        } as any)
-        const unified = createUnified({ apiKey: config.apiKey })
        evt.sdk = {
          languageModel(modelID: string) {
+            // Workers AI is the only first-party provider whose upstream is Cloudflare itself, so it is
+            // the only one that should receive the Cloudflare token as its upstream Authorization header.
+            // 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.
+            const isWorkersAi = modelID.startsWith("workers-ai/") || modelID.startsWith("@cf/")
+            const unified = createUnified(isWorkersAi ? { apiKey: config.apiKey } : {})
            return gateway(unified(modelID))
          },
        }