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

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Co-authored-by: Keefe Tang <keefe@pentagram.me>
This commit is contained in:
Aiden Cline
2026-08-16 23:53:20 -05:00
committed by GitHub
parent 1c965451b5
commit cba6b5f2f7
5 changed files with 265 additions and 105 deletions
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packages/opencode/test/plugin/cloudflare.test.ts
+5 -48
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@@ -13,56 +13,13 @@ const pluginInput = {
$: {} as never,
}
function makeHookInput(overrides: { providerID?: string; apiId?: string; reasoning?: boolean }) {
return {
sessionID: "s",
agent: "a",
provider: {} as never,
message: {} as never,
model: {
providerID: overrides.providerID ?? "cloudflare-ai-gateway",
api: { id: overrides.apiId ?? "openai/gpt-5.2-codex", url: "", npm: "ai-gateway-provider" },
capabilities: {
reasoning: overrides.reasoning ?? true,
temperature: false,
attachment: true,
toolcall: true,
input: { text: true, audio: false, image: false, video: false, pdf: false },
output: { text: true, audio: false, image: false, video: false, pdf: false },
interleaved: false,
},
} as never,
}
}
function makeHookOutput() {
return { temperature: 0, topP: 1, topK: 0, maxOutputTokens: 32_000 as number | undefined, options: {} }
}
test("omits maxOutputTokens for openai reasoning models on cloudflare-ai-gateway", async () => {
test("registers the cloudflare-ai-gateway auth method", async () => {
const hooks = await CloudflareAIGatewayAuthPlugin(pluginInput)
const out = makeHookOutput()
await hooks["chat.params"]!(makeHookInput({ apiId: "openai/gpt-5.2-codex", reasoning: true }), out)
expect(out.maxOutputTokens).toBeUndefined()
expect(hooks.auth?.provider).toBe("cloudflare-ai-gateway")
expect(hooks.auth?.methods).toHaveLength(1)
})
test("keeps maxOutputTokens for openai non-reasoning models", async () => {
test("no longer drops maxOutputTokens; OpenAI models ride the Responses API passthrough", async () => {
const hooks = await CloudflareAIGatewayAuthPlugin(pluginInput)
const out = makeHookOutput()
await hooks["chat.params"]!(makeHookInput({ apiId: "openai/gpt-4-turbo", reasoning: false }), out)
expect(out.maxOutputTokens).toBe(32_000)
})
test("keeps maxOutputTokens for non-openai reasoning models on cloudflare-ai-gateway", async () => {
const hooks = await CloudflareAIGatewayAuthPlugin(pluginInput)
const out = makeHookOutput()
await hooks["chat.params"]!(makeHookInput({ apiId: "anthropic/claude-sonnet-4-5", reasoning: true }), out)
expect(out.maxOutputTokens).toBe(32_000)
})
test("ignores non-cloudflare-ai-gateway providers", async () => {
const hooks = await CloudflareAIGatewayAuthPlugin(pluginInput)
const out = makeHookOutput()
await hooks["chat.params"]!(makeHookInput({ providerID: "openai", apiId: "gpt-5.2-codex", reasoning: true }), out)
expect(out.maxOutputTokens).toBe(32_000)
expect(hooks["chat.params"]).toBeUndefined()
})