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fix: remove legacy OpenRouter alias handling #5943

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Merged
chrarnoldus merged 3 commits into from
Sep 8, 2026
Merged

fix: remove legacy OpenRouter alias handling #5943

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344b292
fix(web): remove stale OpenRouter aliases
chrarnoldus Sep 7, 2026
4e1b311
fix(web): remove legacy OpenRouter alias handling
chrarnoldus Sep 7, 2026
7988fd3
test(web):close stale OpenRouter alias assertion
chrarnoldus Sep 7, 2026
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7 changes: 0 additions & 7 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 @@ -65,13 +65,6 @@ describe('isValidOpenRouterModelId', () => {
};
}

it('accepts known legacy aliases without consulting Redis', async () => {
const { isValidOpenRouterModelId, redisGet } = await loadValidator();

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

it('accepts ids present in the Redis catalog', async () => {
const { isValidOpenRouterModelId, redisGet } = await loadValidator();
redisGet.mockResolvedValue(JSON.stringify(['openai/gpt-4o']));
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79 changes: 0 additions & 79 deletions apps/web/src/lib/ai-gateway/providers/gateway-models-cache.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -114,86 +114,7 @@ export const getOpenRouterModelsFromRedis = createModelIdsFetcher(
'OpenRouter'
);

// These are (undocumented?) aliases OpenRouter accepts and were in use around 2026-08-11
// Preferably do not add entries here, instead have the user use the documented id from the /models catalog
const legacyOpenRouterAliases: ReadonlySet<string> = new Set([
'anthropic/claude-haiku-4-5',
'anthropic/claude-opus-4-6',
'anthropic/claude-sonnet-4-5',
'anthropic/claude-sonnet-4-6',
'anthropic/claude-sonnet-5-20260630',
'claude-fable-5',
'claude-haiku-4.5',
'claude-haiku-4-5-20251001',
'claude-opus-4-8',
'claude-opus-5',
'claude-sonnet-4',
'claude-sonnet-4.5',
'claude-sonnet-5',
'codex-auto-review',
'deepseek-v4-flash',
'deepseek-v4-flash-0731',
'deepseek-v4-pro',
'gemini-2.5-flash',
'gemini-2.5-flash-lite',
'gemini-2.5-pro',
'gemini-3-pro-image',
'gemma-4-26b-a4b-it',
'gemma-4-31b-it',
'glm-4.7-flash',
'glm-5.1',
'glm-5.2',
'gpt-3.5-turbo',
'gpt-3.5-turbo-16k',
'gpt-4.1',
'gpt-4.1-mini',
'gpt-4o',
'gpt-4o-2024-08-06',
'gpt-4o-mini',
'gpt-4o-mini-2024-07-18',
'gpt-5.1',
'gpt-5.1-codex',
'gpt-5.1-codex-max',
'gpt-5.1-codex-mini',
'gpt-5.2',
'gpt-5.2-codex',
'gpt-5.2-pro',
'gpt-5.3-codex',
'gpt-5.4',
'gpt-5.4-mini',
'gpt-5.4-nano',
'gpt-5.4-pro',
'gpt-5.5',
'gpt-5.6-luna',
'gpt-5.6-luna-pro',
'gpt-5.6-sol',
'gpt-5.6-terra',
'gpt-5-nano',
'gpt-5-pro',
'gpt-oss-20b',
'gpt-oss-safeguard-20b',
'hy3',
'kimi-k2.6',
'kimi-k3',
'laguna-s-2.1',
'laguna-xs-2.1',
'mimo-v2.5',
'minimax-m2.5',
'minimax-m3',
'minimax/minimax-m2.5-20260211',
'o1-pro',
'o3-pro',
'openai/gpt-4o-mini-transcribe',
'openai/gpt-4o-transcribe',
'openai/gpt-5.3-chat',
'qwen3.8-max',
'step-3.5-flash',
]);

export async function isValidOpenRouterModelId(modelId: string): Promise<boolean> {
if (legacyOpenRouterAliases.has(modelId)) {
return true;
}
const openRouterModelIds = await getOpenRouterModelsFromRedis();
if (openRouterModelIds.size === 0) {
warnExceptInTest(
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