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fix(core): tighten ChatGPT codex model eligibility

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Replace the codex-substring heuristic with the empirically verified
allow/disallow lists plus the >5.4 version rule; the ChatGPT backend
rejects models like gpt-5.3-codex that the substring rule admitted.
This commit is contained in:
Kit Langton 2026-07-03 14:51:00 -04:00
commit f019bb3abf
2 changed files with 16 additions and 7 deletions
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13
packages/core/src/plugin/provider/openai.ts
View file

@ -181,7 +181,7 @@ export const OpenAIPlugin = define({
if (!chatgpt) continue if (!chatgpt) continue
for (const model of item.models.values()) { for (const model of item.models.values()) {
evt.model.update(item.provider.id, model.id, (draft) => { evt.model.update(item.provider.id, model.id, (draft) => {
if (!eligible(draft)) { if (!eligible(draft.api.id)) {
draft.enabled = false draft.enabled = false
return return
} }
@ -316,8 +316,15 @@ function isChatGPT(credential: { readonly type: string; readonly methodID?: stri
) )
} }
function eligible(model: { readonly id: string }) { const chatgptAllowed = new Set(["gpt-5.5", "gpt-5.3-codex-spark", "gpt-5.4", "gpt-5.4-mini"])
return model.id.includes("codex") const chatgptDisallowed = new Set(["gpt-5.5-pro"])
/** Which API model ids a ChatGPT subscription may call through the codex backend. */
function eligible(apiID: string) {
if (chatgptAllowed.has(apiID)) return true
if (chatgptDisallowed.has(apiID)) return false
const match = apiID.match(/^gpt-(\d+\.\d+)/)
return match ? Number.parseFloat(match[1]) > 5.4 : false
} }
function claim(token: string) { function claim(token: string) {

10
packages/core/test/plugin/provider-openai.test.ts
View file

@ -182,8 +182,8 @@ describe("OpenAIPlugin", () => {
catalog.provider.update(item.id, (draft) => { catalog.provider.update(item.id, (draft) => {
draft.api = item.api draft.api = item.api
}) })
catalog.model.update(item.id, ModelV2.ID.make("gpt-5-codex"), (draft) => { catalog.model.update(item.id, ModelV2.ID.make("gpt-5.3-codex-spark"), (draft) => {
draft.api = { id: ModelV2.ID.make("gpt-5-codex"), type: "aisdk", package: "@ai-sdk/openai" } draft.api = { id: ModelV2.ID.make("gpt-5.3-codex-spark"), type: "aisdk", package: "@ai-sdk/openai" }
draft.cost = [{ input: 1, output: 2, cache: { read: 3, write: 4 } }] draft.cost = [{ input: 1, output: 2, cache: { read: 3, write: 4 } }]
}) })
catalog.model.update(item.id, ModelV2.ID.make("gpt-5"), (draft) => { catalog.model.update(item.id, ModelV2.ID.make("gpt-5"), (draft) => {
@ -204,11 +204,13 @@ describe("OpenAIPlugin", () => {
yield* addPlugin() yield* addPlugin()
expect(required(yield* catalog.model.get(ProviderV2.ID.openai, ModelV2.ID.make("gpt-5-codex")))).toMatchObject({ expect(
required(yield* catalog.model.get(ProviderV2.ID.openai, ModelV2.ID.make("gpt-5.3-codex-spark"))),
).toMatchObject({
enabled: true, enabled: true,
api: { api: {
type: "native", type: "native",
id: "gpt-5-codex", id: "gpt-5.3-codex-spark",
package: "@opencode-ai/llm/providers/openai/codex", package: "@opencode-ai/llm/providers/openai/codex",
settings: { store: false }, settings: { store: false },
}, },