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Merged
chrarnoldus merged 2 commits into from
Sep 10, 2026
Merged

Retain allowlisted legacy model IDs #6047

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20df468
fix(ai-gateway): retain allowlisted legacy model ids
chrarnoldus Sep 10, 2026
6417dab
fix(ai-gateway): refine retained model ids
chrarnoldus Sep 10, 2026
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28 changes: 28 additions & 0 deletions apps/web/src/lib/ai-gateway/providers/gateway-models-cache.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,34 @@ describe('isValidOpenRouterModelId', () => {
mockLimit.mockReset();
});

it('accepts retained legacy aliases without consulting the database', async () => {
const { isValidOpenRouterModelId } = await loadValidator();

await expect(isValidOpenRouterModelId('gpt-4o')).resolves.toBe(true);
expect(mockLimit).not.toHaveBeenCalled();
});

it.each(['openai/gpt-4o-mini-transcribe', 'openai/gpt-4o-transcribe'])(
'rejects removed transcription alias %s',
async modelId => {
const { isValidOpenRouterModelId } = await loadValidator();
mockLimit.mockResolvedValue([
{ models: { 'openai/gpt-4o': storedModel({ id: 'openai/gpt-4o' }) } },
]);

await expect(isValidOpenRouterModelId(modelId)).resolves.toBe(false);
}
);

it('rejects other legacy aliases that are not retained', async () => {
const { isValidOpenRouterModelId } = await loadValidator();
mockLimit.mockResolvedValue([
{ models: { 'openai/gpt-4o': storedModel({ id: 'openai/gpt-4o' }) } },
]);

await expect(isValidOpenRouterModelId('gpt-4o-2024-08-06')).resolves.toBe(false);
});

it('accepts ids present in the database catalog', async () => {
const { isValidOpenRouterModelId } = await loadValidator();
mockLimit.mockResolvedValue([
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38 changes: 38 additions & 0 deletions apps/web/src/lib/ai-gateway/providers/gateway-models-cache.ts
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Expand Up @@ -93,7 +93,45 @@ export const getOpenRouterModelsFromDatabase = createLanguageModelIdsFetcher(
getOpenRouterModelsMetadataFromDatabase
);

// Undocumented aliases that remain in active use but are absent from OpenRouter's model catalog.
const legacyOpenRouterAliases: ReadonlySet<string> = new Set([
'anthropic/claude-haiku-4-5',
'anthropic/claude-sonnet-4-5',
'anthropic/claude-sonnet-4-6',
'anthropic/claude-sonnet-5-20260630',
'claude-opus-5',
'claude-sonnet-4',
'claude-sonnet-4.5',
'claude-sonnet-5',
'deepseek-v4-flash',
'deepseek-v4-flash-0731',
'deepseek-v4-pro',
'gemini-2.5-flash-lite',
'glm-5.1',
'glm-5.2',
'gpt-4.1-mini',
'gpt-4o',
'gpt-4o-mini',
'gpt-5.2',
'gpt-5.2-codex',
'gpt-5.4',
'gpt-5.4-mini',
'gpt-5.5',
'gpt-5.6-luna',
'gpt-5.6-sol',
'gpt-5.6-terra',
'kimi-k3',
'mimo-v2.5',
'minimax-m2.5',
'minimax-m3',
'minimax/minimax-m2.5-20260211',
'step-3.5-flash',
]);

export async function isValidOpenRouterModelId(modelId: string): Promise<boolean> {
if (legacyOpenRouterAliases.has(modelId)) {
return true;
}
const openRouterModelIds = await getOpenRouterModelsFromDatabase();
if (openRouterModelIds.size === 0) {
warnExceptInTest(
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39 changes: 7 additions & 32 deletions apps/web/src/lib/ai-gateway/providers/vercel/mapModelIdToVercel.test.ts
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Expand Up @@ -88,76 +88,51 @@ describe('mapModelIdToVercel', () => {
['mistralai/mistral-large-2512', 'mistral/mistral-large-3'],
['mistralai/mistral-medium-3-5', 'mistral/mistral-medium-3.5'],
['mistralai/mistral-small-2603', 'mistral/mistral-small'],
['mistralai/pixtral-large-2411', 'mistral/pixtral-large'],
['qwen/qwen3-14b', 'alibaba/qwen-3-14b'],
['qwen/qwen3-235b-a22b', 'alibaba/qwen-3-235b'],
['qwen/qwen3-30b-a3b', 'alibaba/qwen-3-30b'],
['qwen/qwen3-32b', 'alibaba/qwen-3-32b'],
['qwen3.8-max', 'alibaba/qwen3.8-max'],
['anthropic/claude-haiku-4-5', 'anthropic/claude-haiku-4.5'],
['anthropic/claude-opus-4-6', 'anthropic/claude-opus-4.6'],
['anthropic/claude-sonnet-4-5', 'anthropic/claude-sonnet-4.5'],
['anthropic/claude-sonnet-4-6', 'anthropic/claude-sonnet-4.6'],
['anthropic/claude-sonnet-5-20260630', 'anthropic/claude-sonnet-5'],
['claude-fable-5', 'anthropic/claude-fable-5'],
['claude-haiku-4.5', 'anthropic/claude-haiku-4.5'],
['claude-haiku-4-5-20251001', 'anthropic/claude-haiku-4.5'],
['claude-opus-4-8', 'anthropic/claude-opus-4.8'],
['claude-opus-5', 'anthropic/claude-opus-5'],
['claude-sonnet-4', 'anthropic/claude-sonnet-4'],
['claude-sonnet-4.5', 'anthropic/claude-sonnet-4.5'],
['claude-sonnet-5', 'anthropic/claude-sonnet-5'],
['deepseek-v4-flash', 'deepseek/deepseek-v4-flash'],
['deepseek-v4-flash-0731', 'deepseek/deepseek-v4-flash-0731'],
['deepseek-v4-pro', 'deepseek/deepseek-v4-pro'],
['gemini-2.5-flash', 'google/gemini-2.5-flash'],
['gemini-2.5-flash-lite', 'google/gemini-2.5-flash-lite'],
['gemini-2.5-pro', 'google/gemini-2.5-pro'],
['gemini-3-pro-image', 'google/gemini-3-pro-image'],
['gemma-4-26b-a4b-it', 'google/gemma-4-26b-a4b-it'],
['gemma-4-31b-it', 'google/gemma-4-31b-it'],
['minimax-m2.5', 'minimax/minimax-m2.5'],
['minimax-m3', 'minimax/minimax-m3'],
['minimax/minimax-m2.5-20260211', 'minimax/minimax-m2.5'],
['kimi-k2.6', 'moonshotai/kimi-k2.6'],
['kimi-k3', 'moonshotai/kimi-k3'],
['gpt-3.5-turbo', 'openai/gpt-3.5-turbo'],
['gpt-4.1', 'openai/gpt-4.1'],
['gpt-4.1-mini', 'openai/gpt-4.1-mini'],
['gpt-4o', 'openai/gpt-4o'],
['gpt-4o-2024-08-06', 'openai/gpt-4o'],
['gpt-4o-mini', 'openai/gpt-4o-mini'],
['gpt-4o-mini-2024-07-18', 'openai/gpt-4o-mini'],
['gpt-5.1-codex', 'openai/gpt-5.1-codex'],
['gpt-5.1-codex-max', 'openai/gpt-5.1-codex-max'],
['gpt-5.1-codex-mini', 'openai/gpt-5.1-codex-mini'],
['gpt-5.2', 'openai/gpt-5.2'],
['gpt-5.2-codex', 'openai/gpt-5.2-codex'],
['gpt-5.2-pro', 'openai/gpt-5.2-pro'],
['gpt-5.3-codex', 'openai/gpt-5.3-codex'],
['gpt-5.4', 'openai/gpt-5.4'],
['gpt-5.4-mini', 'openai/gpt-5.4-mini'],
['gpt-5.4-nano', 'openai/gpt-5.4-nano'],
['gpt-5.4-pro', 'openai/gpt-5.4-pro'],
['gpt-5.5', 'openai/gpt-5.5'],
['gpt-5.6-luna', 'openai/gpt-5.6-luna'],
['gpt-5.6-sol', 'openai/gpt-5.6-sol'],
['gpt-5.6-terra', 'openai/gpt-5.6-terra'],
['gpt-5-nano', 'openai/gpt-5-nano'],
['gpt-5-pro', 'openai/gpt-5-pro'],
['gpt-oss-20b', 'openai/gpt-oss-20b'],
['gpt-oss-safeguard-20b', 'openai/gpt-oss-safeguard-20b'],
['o3-pro', 'openai/o3-pro'],
['laguna-s-2.1', 'poolside/laguna-s-2.1'],
['step-3.5-flash', 'stepfun/step-3.5-flash'],
['hy3', 'tencent/hy3'],
['mimo-v2.5', 'xiaomi/mimo-v2.5'],
['glm-4.7-flash', 'zai/glm-4.7-flash'],
['glm-5.1', 'zai/glm-5.1'],
['glm-5.2', 'zai/glm-5.2'],
])('maps %s to %s', (input, expected) => {
expect(mapModelIdToVercel(input)).toBe(expected);
});

it.each([
['gpt-4o-2024-08-06', 'gpt-4o-2024-08-06'],
['claude-fable-5', 'claude-fable-5'],
])('does not retain a mapping for %s', (input, expected) => {
expect(mapModelIdToVercel(input)).toBe(expected);
});
});

describe('first-party inference provider inference', () => {
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33 changes: 0 additions & 33 deletions apps/web/src/lib/ai-gateway/providers/vercel/mapModelIdToVercel.ts
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Expand Up @@ -45,7 +45,6 @@ const vercelModelIdMapping: Record<string, string | undefined> = {
[GROK_LATEST_MODEL_ALIAS]: GROK_CURRENT_VERCEL_MODEL_ID,
[GLM_LATEST_MODEL_ALIAS]: GLM_CURRENT_VERCEL_MODEL_ID,
[DEEPSEEK_V4_FLASH_LATEST_MODEL_ALIAS]: 'deepseek/deepseek-v4-flash-0731',
'inclusionai/ling-3.0-flash:free': 'inclusionai/ling-3.0-flash-free',
'mistralai/codestral-2508': 'mistral/codestral',
'mistralai/devstral-2512': 'mistral/devstral-2',
'mistralai/mistral-embed-2312': 'mistral/mistral-embed',
Expand All @@ -56,71 +55,39 @@ const vercelModelIdMapping: Record<string, string | undefined> = {
'mistralai/mistral-large-2512': 'mistral/mistral-large-3',
'mistralai/mistral-medium-3-5': 'mistral/mistral-medium-3.5',
'mistralai/mistral-small-2603': 'mistral/mistral-small',
'mistralai/pixtral-large-2411': 'mistral/pixtral-large',
'qwen/qwen3-14b': 'alibaba/qwen-3-14b',
'qwen/qwen3-235b-a22b': 'alibaba/qwen-3-235b',
'qwen/qwen3-30b-a3b': 'alibaba/qwen-3-30b',
'qwen/qwen3-32b': 'alibaba/qwen-3-32b',
'qwen3.8-max': 'alibaba/qwen3.8-max',
'anthropic/claude-haiku-4-5': 'anthropic/claude-haiku-4.5',
'anthropic/claude-opus-4-6': 'anthropic/claude-opus-4.6',
'anthropic/claude-sonnet-4-5': 'anthropic/claude-sonnet-4.5',
'anthropic/claude-sonnet-4-6': 'anthropic/claude-sonnet-4.6',
'anthropic/claude-sonnet-5-20260630': 'anthropic/claude-sonnet-5',
'claude-fable-5': 'anthropic/claude-fable-5',
'claude-haiku-4.5': 'anthropic/claude-haiku-4.5',
'claude-haiku-4-5-20251001': 'anthropic/claude-haiku-4.5',
'claude-opus-4-8': 'anthropic/claude-opus-4.8',
'claude-opus-5': 'anthropic/claude-opus-5',
'claude-sonnet-4': 'anthropic/claude-sonnet-4',
'claude-sonnet-4.5': 'anthropic/claude-sonnet-4.5',
'claude-sonnet-5': 'anthropic/claude-sonnet-5',
'deepseek-v4-flash': 'deepseek/deepseek-v4-flash',
'deepseek-v4-flash-0731': 'deepseek/deepseek-v4-flash-0731',
'deepseek-v4-pro': 'deepseek/deepseek-v4-pro',
'gemini-2.5-flash': 'google/gemini-2.5-flash',
'gemini-2.5-flash-lite': 'google/gemini-2.5-flash-lite',
'gemini-2.5-pro': 'google/gemini-2.5-pro',
'gemini-3-pro-image': 'google/gemini-3-pro-image',
'gemma-4-26b-a4b-it': 'google/gemma-4-26b-a4b-it',
'gemma-4-31b-it': 'google/gemma-4-31b-it',
'minimax-m2.5': 'minimax/minimax-m2.5',
'minimax-m3': 'minimax/minimax-m3',
'minimax/minimax-m2.5-20260211': 'minimax/minimax-m2.5',
'kimi-k2.6': 'moonshotai/kimi-k2.6',
'kimi-k3': 'moonshotai/kimi-k3',
'gpt-3.5-turbo': 'openai/gpt-3.5-turbo',
'gpt-4.1': 'openai/gpt-4.1',
'gpt-4.1-mini': 'openai/gpt-4.1-mini',
'gpt-4o': 'openai/gpt-4o',
'gpt-4o-2024-08-06': 'openai/gpt-4o',
'gpt-4o-mini': 'openai/gpt-4o-mini',
'gpt-4o-mini-2024-07-18': 'openai/gpt-4o-mini',
'gpt-5.1-codex': 'openai/gpt-5.1-codex',
'gpt-5.1-codex-max': 'openai/gpt-5.1-codex-max',
'gpt-5.1-codex-mini': 'openai/gpt-5.1-codex-mini',
'gpt-5.2': 'openai/gpt-5.2',
'gpt-5.2-codex': 'openai/gpt-5.2-codex',
'gpt-5.2-pro': 'openai/gpt-5.2-pro',
'gpt-5.3-codex': 'openai/gpt-5.3-codex',
'gpt-5.4': 'openai/gpt-5.4',
'gpt-5.4-mini': 'openai/gpt-5.4-mini',
'gpt-5.4-nano': 'openai/gpt-5.4-nano',
'gpt-5.4-pro': 'openai/gpt-5.4-pro',
'gpt-5.5': 'openai/gpt-5.5',
'gpt-5.6-luna': 'openai/gpt-5.6-luna',
'gpt-5.6-sol': 'openai/gpt-5.6-sol',
'gpt-5.6-terra': 'openai/gpt-5.6-terra',
'gpt-5-nano': 'openai/gpt-5-nano',
'gpt-5-pro': 'openai/gpt-5-pro',
'gpt-oss-20b': 'openai/gpt-oss-20b',
'gpt-oss-safeguard-20b': 'openai/gpt-oss-safeguard-20b',
'o3-pro': 'openai/o3-pro',
'laguna-s-2.1': 'poolside/laguna-s-2.1',
'step-3.5-flash': 'stepfun/step-3.5-flash',
hy3: 'tencent/hy3',
'mimo-v2.5': 'xiaomi/mimo-v2.5',
'glm-4.7-flash': 'zai/glm-4.7-flash',
'glm-5.1': 'zai/glm-5.1',
'glm-5.2': 'zai/glm-5.2',
};
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