diff --git a/README.md b/README.md
index 7c2b5bc7..4b3e670d 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ Default endpoints:
 
 - OpenAI base URL: `https://api.openai.com/v1`
 - OpenAI websocket mode endpoint: `wss://api.openai.com/v1/responses`
-- OpenRouter base URL: `https://openrouter.ai/api/v1`
+- OpenRouter Anthropic-compatible base URL: `https://openrouter.ai/api`
 - OpenRouter Responses API: `https://openrouter.ai/api/v1/responses`
 
 ## Quick Start
@@ -91,7 +91,7 @@ OpenRouter:
 ```bash
 BETTER_CLAWD_API_PROVIDER=openrouter
 OPENROUTER_API_KEY=your_key_here
-OPENROUTER_BASE_URL=https://openrouter.ai/api/v1
+OPENROUTER_BASE_URL=https://openrouter.ai/api
 ```
 
 ## What You Get
diff --git a/package.json b/package.json
index 75bd7e70..250c97f6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "better-clawd",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "Claude Code, but better.",
   "type": "module",
   "bin": {
diff --git a/src/components/OpenRouterLoginFlow.tsx b/src/components/OpenRouterLoginFlow.tsx
index 92684e86..38a4ed71 100644
--- a/src/components/OpenRouterLoginFlow.tsx
+++ b/src/components/OpenRouterLoginFlow.tsx
@@ -45,8 +45,8 @@ export function OpenRouterLoginFlow({
           <Text>Configuring OpenRouter login for Better-Clawd...</Text>
         </Box>
         <Text dimColor={true}>
-          OpenRouter support uses your OpenRouter API key with the Responses API
-          endpoint.
+          OpenRouter support uses your OpenRouter API key with the
+          Anthropic-compatible Messages API endpoint.
         </Text>
       </Box>
     )
@@ -59,8 +59,8 @@ export function OpenRouterLoginFlow({
           'Better-Clawd can use OpenRouter with your OpenRouter API key.'}
       </Text>
       <Text dimColor={true}>
-        Paste your OpenRouter key to use `https://openrouter.ai/api/v1` and the
-        Responses API compatibility layer.
+        Paste your OpenRouter key to use the Anthropic-compatible OpenRouter base
+        URL at `https://openrouter.ai/api`.
       </Text>
       <Box>
         <Text>Paste your OpenRouter API key:</Text>
diff --git a/src/utils/logoV2Utils.ts b/src/utils/logoV2Utils.ts
index f7f9720b..c06158b7 100644
--- a/src/utils/logoV2Utils.ts
+++ b/src/utils/logoV2Utils.ts
@@ -9,6 +9,7 @@ import {
   truncateToWidth,
   truncateToWidthNoEllipsis,
 } from './format.js'
+import { getAPIProvider } from './model/providers.js'
 import { getStoredChangelogFromMemory, parseChangelog } from './releaseNotes.js'
 import { gt } from './semver.js'
 import { loadMessageLogs } from './sessionStorage.js'
@@ -253,9 +254,20 @@ export function getLogoDisplayData(): {
   const cwd = serverUrl
     ? `${displayPath} in ${serverUrl.replace(/^https?:\/\//, '')}`
     : displayPath
+  const apiProvider = getAPIProvider()
   const billingType = isClaudeAISubscriber()
     ? getSubscriptionName()
-    : 'API Usage Billing'
+    : apiProvider === 'openrouter'
+      ? 'OpenRouter'
+      : apiProvider === 'openai'
+        ? 'OpenAI'
+        : apiProvider === 'bedrock'
+          ? 'AWS Bedrock'
+          : apiProvider === 'vertex'
+            ? 'Google Vertex AI'
+            : apiProvider === 'foundry'
+              ? 'Microsoft Foundry'
+              : 'API Usage Billing'
   const agentName = getInitialSettings().agent
 
   return {
diff --git a/src/utils/model/modelStrings.ts b/src/utils/model/modelStrings.ts
index 7fe0dc9b..1db7e348 100644
--- a/src/utils/model/modelStrings.ts
+++ b/src/utils/model/modelStrings.ts
@@ -25,19 +25,20 @@ const MODEL_KEYS = Object.keys(ALL_MODEL_CONFIGS) as ModelKey[]
 function getBuiltinModelStrings(provider: APIProvider): ModelStrings {
   if (provider === 'openai') {
     const out = getBuiltinModelStrings('firstParty') as Record<string, string>
-    out.haiku35 = process.env.OPENAI_HAIKU_MODEL || 'gpt-5.4-mini'
     out.haiku45 = process.env.OPENAI_HAIKU_MODEL || 'gpt-5.4-mini'
-    out.sonnet37 = process.env.OPENAI_SONNET_MODEL || 'gpt-5.4'
-    out.sonnet40 = process.env.OPENAI_SONNET_MODEL || 'gpt-5.4'
-    out.sonnet45 = process.env.OPENAI_SONNET_MODEL || 'gpt-5.4'
     out.sonnet46 = process.env.OPENAI_SONNET_MODEL || 'gpt-5.4'
-    out.opus40 = process.env.OPENAI_OPUS_MODEL || 'gpt-5.4'
-    out.opus41 = process.env.OPENAI_OPUS_MODEL || 'gpt-5.4'
-    out.opus45 = process.env.OPENAI_OPUS_MODEL || 'gpt-5.4'
     out.opus46 = process.env.OPENAI_OPUS_MODEL || 'gpt-5.4'
     return out as ModelStrings
   }
 
+  if (provider === 'openrouter') {
+    const out = getBuiltinModelStrings('firstParty') as Record<string, string>
+    out.sonnet46 =
+      process.env.OPENROUTER_SONNET_MODEL || 'anthropic/claude-sonnet-4.6'
+      process.env.OPENROUTER_OPUS_MODEL || 'anthropic/claude-opus-4.6'
+    return out as ModelStrings
+  }
+
   const out = {} as ModelStrings
   for (const key of MODEL_KEYS) {
     out[key] = ALL_MODEL_CONFIGS[key][provider]
diff --git a/src/utils/model/providers.ts b/src/utils/model/providers.ts
index 66a6047a..c48dc6f7 100644
--- a/src/utils/model/providers.ts
+++ b/src/utils/model/providers.ts
@@ -9,6 +9,40 @@ export type APIProvider =
   | 'vertex'
   | 'foundry'
 
+function getStoredProviderPreference(): APIProvider | null {
+  try {
+    // Read the global config file directly so provider selection works even
+    // before the guarded config loader is enabled during startup.
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
+    const { readFileSync } = require('fs') as typeof import('fs')
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
+    const { getGlobalClaudeFile } =
+      require('../env.js') as typeof import('../env.js')
+    const raw = readFileSync(getGlobalClaudeFile(), 'utf8')
+    const config = JSON.parse(raw) as {
+      authProvider?: 'anthropic' | 'openrouter' | 'openai'
+      openRouterApiKey?: string
+      openAiApiKey?: string
+      openAiAccessToken?: string
+    }
+
+    switch (config.authProvider) {
+      case 'openrouter':
+        return config.openRouterApiKey ? 'openrouter' : null
+      case 'openai':
+        return config.openAiApiKey || config.openAiAccessToken
+          ? 'openai'
+          : null
+      case 'anthropic':
+        return 'firstParty'
+      default:
+        return null
+    }
+  } catch {
+    return null
+  }
+}
+
 function getExplicitProviderOverride(): APIProvider | null {
   const rawProvider =
     process.env.BETTER_CLAWD_API_PROVIDER ??
@@ -65,7 +99,30 @@ export function isOpenAIConfigured(): boolean {
 }
 
 export function getOpenRouterBaseUrl(): string {
-  return process.env.OPENROUTER_BASE_URL ?? 'https://openrouter.ai/api/v1'
+  const configuredBaseUrl = process.env.OPENROUTER_BASE_URL
+  const fallbackBaseUrl = 'https://openrouter.ai/api'
+  if (!configuredBaseUrl) {
+    return fallbackBaseUrl
+  }
+
+  try {
+    const url = new URL(configuredBaseUrl)
+
+    if (url.host === 'openrouter.ai') {
+      const normalizedPath = url.pathname.replace(/\/+$/, '')
+      if (normalizedPath === '' || normalizedPath === '/') {
+        url.pathname = '/api'
+      } else if (normalizedPath === '/api/v1') {
+        // Anthropic SDK appends /v1/messages itself, so OpenRouter's SDK base
+        // must stop at /api rather than /api/v1.
+        url.pathname = '/api'
+      }
+    }
+
+    return url.toString().replace(/\/$/, '')
+  } catch {
+    return configuredBaseUrl
+  }
 }
 
 export function getOpenAIBaseUrl(): string {
@@ -88,7 +145,7 @@ export function getAPIProvider(): APIProvider {
           ? 'openai'
           : isOpenRouterConfigured()
             ? 'openrouter'
-            : 'firstParty'
+            : getStoredProviderPreference() ?? 'firstParty'
 }
 
 export function getAPIProviderForStatsig(): AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS {
diff --git a/src/utils/status.tsx b/src/utils/status.tsx
index 146dfcf4..ef4b946e 100644
--- a/src/utils/status.tsx
+++ b/src/utils/status.tsx
@@ -11,7 +11,11 @@ import { getDisplayPath } from './file.js';
 import { formatNumber } from './format.js';
 import { getIdeClientName, type IDEExtensionInstallationStatus, isJetBrainsIde, toIDEDisplayName } from './ide.js';
 import { getClaudeAiUserDefaultModelDescription, modelDisplayString } from './model/model.js';
-import { getAPIProvider } from './model/providers.js';
+import {
+  getAPIProvider,
+  getOpenAIBaseUrl,
+  getOpenRouterBaseUrl,
+} from './model/providers.js';
 import { getMTLSConfig } from './mtls.js';
 import { checkInstall } from './nativeInstaller/index.js';
 import { getProxyUrl } from './proxy.js';
@@ -264,15 +268,12 @@ export function buildAPIProviderProperties(): Property[] {
   } else if (apiProvider === 'openrouter') {
     properties.push({
       label: 'OpenRouter base URL',
-      value:
-        process.env.OPENROUTER_BASE_URL ||
-        process.env.ANTHROPIC_BASE_URL ||
-        'https://openrouter.ai/api/v1'
+      value: getOpenRouterBaseUrl()
     });
   } else if (apiProvider === 'openai') {
     properties.push({
       label: 'OpenAI base URL',
-      value: process.env.OPENAI_BASE_URL || 'https://api.openai.com/v1'
+      value: getOpenAIBaseUrl()
     });
   } else if (apiProvider === 'bedrock') {
     const bedrockBaseUrl = process.env.BEDROCK_BASE_URL;