diff --git a/README.md b/README.md
index 2e99e53356..a53f30bac8 100644
--- a/README.md
+++ b/README.md
@@ -281,6 +281,7 @@ Advanced and source-build guides:
 | Z.AI GLM Coding Plan | `/provider` or OpenAI-compatible env vars | Uses `OPENAI_API_KEY` at `https://api.z.ai/api/coding/paas/v4` and defaults to `glm-5.2` |
 | AI/ML API | `/provider` or `AIMLAPI_API_KEY` ([setup guide](docs/aimlapi-setup.md)) | Uses `https://api.aimlapi.com/v1`, auto-detects the OpenAI-compatible route from `AIMLAPI_API_KEY`, sends OpenClaude attribution headers, and discovers chat-capable models from the public `/models` catalog |
 | ApiSmart | `/provider` or `APISMART_API_KEY` | Uses `https://gw.apismart.ai/v1`, defaults to `DEEPSEEK_V4_FLASH`, and supports optional `APISMART_MODEL` plus authenticated model discovery |
+| OrcaRouter | `/provider` or `ORCAROUTER_API_KEY` | OpenAI-compatible model routing gateway at `https://api.orcarouter.ai/v1`, defaults to `openai/gpt-5.5`, with `orcarouter/auto` smart routing and authenticated model discovery |
 | Hicap | `/provider` or OpenAI-compatible env vars | Uses `api-key` auth, discovers models from unauthenticated `/models`, and supports Responses mode for `gpt-` models |
 | Fireworks AI | `/provider` or env vars | First-class provider with 276 curated models (DeepSeek, Qwen, Llama, Gemma, and more); uses `FIREWORKS_API_KEY` |
 | LongCat | `/provider` or env vars | Meituan LongCat OpenAI-compatible API at `https://api.longcat.chat/openai/v1`; uses `LONGCAT_API_KEY` and defaults to `LongCat-2.0` |
diff --git a/src/integrations/compatibility.test.ts b/src/integrations/compatibility.test.ts
index 4b135d5714..ec75336dad 100644
--- a/src/integrations/compatibility.test.ts
+++ b/src/integrations/compatibility.test.ts
@@ -33,6 +33,7 @@ const EXPECTED_PRESETS = [
   'hicap',
   'azure-openai',
   'openrouter',
+  'orcarouter',
   'lmstudio',
   'dashscope-cn',
   'dashscope-intl',
diff --git a/src/integrations/gateways/orcarouter.test.ts b/src/integrations/gateways/orcarouter.test.ts
new file mode 100644
index 0000000000..d820ecde74
--- /dev/null
+++ b/src/integrations/gateways/orcarouter.test.ts
@@ -0,0 +1,27 @@
+import { describe, expect, test } from 'bun:test'
+
+import orcarouter from './orcarouter.js'
+
+describe('orcarouter gateway', () => {
+  test('uses hybrid discovery with dedicated credentials', () => {
+    expect(orcarouter.id).toBe('orcarouter')
+    expect(orcarouter.catalog?.source).toBe('hybrid')
+    expect(orcarouter.catalog?.discovery?.kind).toBe('openai-compatible')
+    expect(orcarouter.setup.dedicatedCredentialsOnly).toBe(true)
+    expect(orcarouter.setup.credentialEnvVars).toEqual(['ORCAROUTER_API_KEY'])
+    expect(orcarouter.defaultBaseUrl).toBe('https://api.orcarouter.ai/v1')
+    expect(orcarouter.defaultModel).toBe('openai/gpt-5.5')
+  })
+
+  test('curated catalog exposes auto routing plus flagship models', () => {
+    const models = orcarouter.catalog?.models ?? []
+    expect(models.some(model => model.apiName === 'orcarouter/auto')).toBe(true)
+    expect(models.some(model => model.apiName === 'openai/gpt-5.5')).toBe(true)
+    expect(
+      models.some(model => model.apiName === 'anthropic/claude-sonnet-4.6'),
+    ).toBe(true)
+    expect(
+      models.some(model => model.apiName === 'google/gemini-3.5-flash'),
+    ).toBe(true)
+  })
+})
diff --git a/src/integrations/gateways/orcarouter.ts b/src/integrations/gateways/orcarouter.ts
new file mode 100644
index 0000000000..e862087ba4
--- /dev/null
+++ b/src/integrations/gateways/orcarouter.ts
@@ -0,0 +1,65 @@
+import { defineGateway } from '../define.js'
+
+export default defineGateway({
+  id: 'orcarouter',
+  label: 'OrcaRouter',
+  category: 'aggregating',
+  defaultBaseUrl: 'https://api.orcarouter.ai/v1',
+  defaultModel: 'openai/gpt-5.5',
+  supportsModelRouting: true,
+  setup: {
+    requiresAuth: true,
+    authMode: 'api-key',
+    credentialEnvVars: ['ORCAROUTER_API_KEY'],
+    dedicatedCredentialsOnly: true,
+  },
+  startup: {
+    probeReadiness: 'openai-compatible-models',
+  },
+  transportConfig: {
+    kind: 'openai-compatible',
+    openaiShim: {
+      supportsAuthHeaders: true,
+    },
+  },
+  preset: {
+    id: 'orcarouter',
+    description: 'OrcaRouter OpenAI-compatible endpoint',
+    apiKeyEnvVars: ['ORCAROUTER_API_KEY'],
+    vendorId: 'openai',
+  },
+  catalog: {
+    source: 'hybrid',
+    discovery: { kind: 'openai-compatible' },
+    discoveryCacheTtl: '1d',
+    discoveryRefreshMode: 'background-if-stale',
+    allowManualRefresh: true,
+    models: [
+      {
+        id: 'orcarouter-auto',
+        apiName: 'orcarouter/auto',
+        label: 'Auto — Smart Routing (via OrcaRouter)',
+        notes: 'Gateway routes to the best model for each request',
+      },
+      {
+        id: 'orcarouter-gpt-5.5',
+        apiName: 'openai/gpt-5.5',
+        label: 'GPT-5.5 (via OrcaRouter)',
+        modelDescriptorId: 'gpt-5.5',
+      },
+      {
+        id: 'orcarouter-claude-sonnet-4-6',
+        apiName: 'anthropic/claude-sonnet-4.6',
+        label: 'Claude Sonnet 4.6 (via OrcaRouter)',
+        modelDescriptorId: 'claude-sonnet-4-6',
+      },
+      {
+        id: 'orcarouter-gemini-3.5-flash',
+        apiName: 'google/gemini-3.5-flash',
+        label: 'Gemini 3.5 Flash (via OrcaRouter)',
+        modelDescriptorId: 'gemini-3.5-flash',
+      },
+    ],
+  },
+  usage: { supported: false },
+})
diff --git a/src/integrations/generated/integrationArtifacts.generated.ts b/src/integrations/generated/integrationArtifacts.generated.ts
index 87a002174e..564a917eb8 100644
--- a/src/integrations/generated/integrationArtifacts.generated.ts
+++ b/src/integrations/generated/integrationArtifacts.generated.ts
@@ -43,6 +43,7 @@ import gatewayOllama from '../gateways/ollama.js'
 import gatewayOpencodeGo from '../gateways/opencode-go.js'
 import gatewayOpencode from '../gateways/opencode.js'
 import gatewayOpenrouter from '../gateways/openrouter.js'
+import gatewayOrcarouter from '../gateways/orcarouter.js'
 import gatewayTogether from '../gateways/together.js'
 import gatewayVertex from '../gateways/vertex.js'
 import gatewayXiaomiMimoToken from '../gateways/xiaomi-mimo-token.js'
@@ -90,7 +91,7 @@ import modelXai from '../models/xai.js'
 import modelXiaomiMimo from '../models/xiaomi-mimo.js'
 
 export const VENDOR_DESCRIPTORS = [vendorAnthropic, vendorBankr, vendorDeepseek, vendorFireworks, vendorGemini, vendorLongcat, vendorMinimax, vendorMoonshot, vendorNearai, vendorOpenai, vendorVenice, vendorXai, vendorXiaomiMimo, vendorZai] as const satisfies readonly VendorDescriptor[]
-export const GATEWAY_DESCRIPTORS = [gatewayAimlapi, gatewayApismart, gatewayAtlasCloud, gatewayAtomicChat, gatewayAzureOpenai, gatewayBedrock, gatewayClinepass, gatewayCloudflare, gatewayCustom, gatewayDashscopeCn, gatewayDashscopeIntl, gatewayGithubEnterprise, gatewayGithub, gatewayGitlawbOpengateway, gatewayGroq, gatewayHicap, gatewayKimiCode, gatewayLmstudio, gatewayMistral, gatewayNvidiaNim, gatewayOllama, gatewayOpencodeGo, gatewayOpencode, gatewayOpenrouter, gatewayTogether, gatewayVertex, gatewayXiaomiMimoToken] as const satisfies readonly GatewayDescriptor[]
+export const GATEWAY_DESCRIPTORS = [gatewayAimlapi, gatewayApismart, gatewayAtlasCloud, gatewayAtomicChat, gatewayAzureOpenai, gatewayBedrock, gatewayClinepass, gatewayCloudflare, gatewayCustom, gatewayDashscopeCn, gatewayDashscopeIntl, gatewayGithubEnterprise, gatewayGithub, gatewayGitlawbOpengateway, gatewayGroq, gatewayHicap, gatewayKimiCode, gatewayLmstudio, gatewayMistral, gatewayNvidiaNim, gatewayOllama, gatewayOpencodeGo, gatewayOpencode, gatewayOpenrouter, gatewayOrcarouter, gatewayTogether, gatewayVertex, gatewayXiaomiMimoToken] as const satisfies readonly GatewayDescriptor[]
 export const ANTHROPIC_PROXY_DESCRIPTORS = [anthropicproxyCustom] as const satisfies readonly AnthropicProxyDescriptor[]
 export const BRAND_DESCRIPTORS = [brandClaude, brandDeepseek, brandFireworks, brandGemini, brandGlm, brandGpt, brandKimi, brandLing, brandLlama, brandLongcat, brandMacaron, brandMinimax, brandMistral, brandNearai, brandNemotron, brandOpenaiCompatibleAlias, brandQwen, brandTencent, brandXai, brandXiaomiMimo] as const satisfies readonly BrandDescriptor[]
 export const MODEL_DESCRIPTOR_GROUPS = [modelClaude, modelDeepseek, modelFireworksMerged, modelGemini, modelGlm, modelGpt, modelKimi, modelLing, modelLlama, modelLongcat, modelMacaron, modelMinimax, modelMistral, modelNearai, modelNemotron, modelOpenaiCompatibleAlias, modelOpencode, modelQwen, modelTencent, modelXai, modelXiaomiMimo] as const satisfies readonly (readonly ModelDescriptor[])[]
diff --git a/src/integrations/generated/integrationManifest.generated.ts b/src/integrations/generated/integrationManifest.generated.ts
index 2ad565a0fb..088cd10669 100644
--- a/src/integrations/generated/integrationManifest.generated.ts
+++ b/src/integrations/generated/integrationManifest.generated.ts
@@ -400,6 +400,17 @@ export const PROVIDER_PRESET_MANIFEST = [
       "OPENROUTER_API_KEY"
     ]
   },
+  {
+    "preset": "orcarouter",
+    "routeKind": "gateway",
+    "routeId": "orcarouter",
+    "vendorId": "openai",
+    "gatewayId": "orcarouter",
+    "description": "OrcaRouter OpenAI-compatible endpoint",
+    "apiKeyEnvVars": [
+      "ORCAROUTER_API_KEY"
+    ]
+  },
   {
     "preset": "together",
     "routeKind": "gateway",
@@ -567,6 +578,7 @@ export const ORDERED_PROVIDER_PRESETS = [
   "opencode-go",
   "opencode",
   "openrouter",
+  "orcarouter",
   "together",
   "venice",
   "xai",
diff --git a/src/integrations/index.test.ts b/src/integrations/index.test.ts
index 23fd0c485a..b8cb2f72c8 100644
--- a/src/integrations/index.test.ts
+++ b/src/integrations/index.test.ts
@@ -67,6 +67,9 @@ describe('loaded registry validation', () => {
       // Virtual model — the gateway's smart router resolves it server-side,
       // so there is no concrete model descriptor to reference.
       'gitlawb-opengateway:opengateway-auto',
+      // Virtual model — OrcaRouter's `orcarouter/auto` router resolves the
+      // serving model server-side, so there is no concrete descriptor.
+      'orcarouter:orcarouter-auto',
       // Cloudflare Workers AI serves provider-specific quantized builds
       // (`@cf/...`) with no shared cross-provider model descriptor, the same
       // situation as azure-deployment above. See gateways/cloudflare.ts (#1100).
diff --git a/src/utils/envFile.ts b/src/utils/envFile.ts
index a7093b48d3..da04281eb4 100644
--- a/src/utils/envFile.ts
+++ b/src/utils/envFile.ts
@@ -93,6 +93,7 @@ const ALLOWED_ENV_FILE_KEYS = new Set([
   'OPENGATEWAY_BASE_URL',
   'OPENCLAUDE_OLLAMA_NUM_CTX',
   'OPENROUTER_API_KEY',
+  'ORCAROUTER_API_KEY',
   'OPENAI_API_BASE',
   'OPENAI_API_FORMAT',
   'OPENAI_API_KEYS',
diff --git a/web/src/data/providers.ts b/web/src/data/providers.ts
index 93f7f64a37..2684bc4443 100644
--- a/web/src/data/providers.ts
+++ b/web/src/data/providers.ts
@@ -140,6 +140,14 @@ export const providers: Provider[] = [
     envVars: ['OPENROUTER_API_KEY'],
     notes: 'OpenAI-compatible aggregation across hundreds of hosted models.',
   },
+  {
+    id: 'orcarouter',
+    name: 'OrcaRouter',
+    group: 'gateways',
+    setup: '/provider or env vars',
+    envVars: ['ORCAROUTER_API_KEY'],
+    notes: 'OpenAI-compatible model routing gateway with named auto routing.',
+  },
   {
     id: 'near-ai',
     name: 'NEAR AI',