diff --git a/Dockerfile b/Dockerfile
index d7fd5d31..1f77ee73 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,7 @@ RUN mkdir -p /root/.clawdbot \
     && mkdir -p /root/clawd/skills
 
 # Copy startup script
-# Build cache bust: 2026-01-28-v26-browser-skill
+# Build cache bust: 2026-02-04-v27-ai-gateway-compat
 COPY start-moltbot.sh /usr/local/bin/start-moltbot.sh
 RUN chmod +x /usr/local/bin/start-moltbot.sh
 
diff --git a/src/gateway/env.test.ts b/src/gateway/env.test.ts
index 29f033db..bc948451 100644
--- a/src/gateway/env.test.ts
+++ b/src/gateway/env.test.ts
@@ -37,6 +37,17 @@ describe('buildEnvVars', () => {
     expect(result.ANTHROPIC_API_KEY).toBeUndefined();
   });
 
+  it('maps AI_GATEWAY_API_KEY to OPENAI_API_KEY for compat gateway', () => {
+    const env = createMockEnv({
+      AI_GATEWAY_API_KEY: 'sk-gateway-key',
+      AI_GATEWAY_BASE_URL: 'https://gateway.ai.cloudflare.com/v1/123/my-gw/compat',
+    });
+    const result = buildEnvVars(env);
+    expect(result.OPENAI_API_KEY).toBe('sk-gateway-key');
+    expect(result.OPENAI_BASE_URL).toBe('https://gateway.ai.cloudflare.com/v1/123/my-gw/compat');
+    expect(result.ANTHROPIC_API_KEY).toBeUndefined();
+  });
+
   it('passes AI_GATEWAY_BASE_URL directly', () => {
     const env = createMockEnv({
       AI_GATEWAY_BASE_URL: 'https://gateway.ai.cloudflare.com/v1/123/my-gw/anthropic',
diff --git a/src/gateway/env.ts b/src/gateway/env.ts
index a57e781b..c8edaad4 100644
--- a/src/gateway/env.ts
+++ b/src/gateway/env.ts
@@ -11,7 +11,9 @@ export function buildEnvVars(env: MoltbotEnv): Record<string, string> {
 
   // Normalize the base URL by removing trailing slashes
   const normalizedBaseUrl = env.AI_GATEWAY_BASE_URL?.replace(/\/+$/, '');
-  const isOpenAIGateway = normalizedBaseUrl?.endsWith('/openai');
+  const isOpenAIGateway =
+    normalizedBaseUrl?.endsWith('/openai') ||
+    normalizedBaseUrl?.endsWith('/compat');
 
   // AI Gateway vars take precedence
   // Map to the appropriate provider env var based on the gateway endpoint
diff --git a/start-moltbot.sh b/start-moltbot.sh
index 286a4d67..7f2d3bf0 100644
--- a/start-moltbot.sh
+++ b/start-moltbot.sh
@@ -228,17 +228,23 @@ if (process.env.SLACK_BOT_TOKEN && process.env.SLACK_APP_TOKEN) {
 //   https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/openai
 const baseUrl = (process.env.AI_GATEWAY_BASE_URL || process.env.ANTHROPIC_BASE_URL || '').replace(/\/+$/, '');
 const isOpenAI = baseUrl.endsWith('/openai');
+const isCompat = baseUrl.endsWith('/compat');
 
-if (isOpenAI) {
+if (isOpenAI || isCompat) {
     // Create custom openai provider config with baseUrl override
     // Omit apiKey so moltbot falls back to OPENAI_API_KEY env var
     console.log('Configuring OpenAI provider with base URL:', baseUrl);
     config.models = config.models || {};
     config.models.providers = config.models.providers || {};
+    const compatModels = [
+        { id: 'openai/gpt-5-mini', name: 'GPT-5 Mini', contextWindow: 200000 },
+        { id: 'google-ai-studio/gemini-2.5-flash', name: 'Gemini 2.5 Flash', contextWindow: 128000 },
+        { id: 'anthropic/claude-sonnet-4-5', name: 'Claude Sonnet 4.5', contextWindow: 200000 },
+    ];
     config.models.providers.openai = {
         baseUrl: baseUrl,
         api: 'openai-responses',
-        models: [
+        models: isCompat ? compatModels : [
             { id: 'gpt-5.2', name: 'GPT-5.2', contextWindow: 200000 },
             { id: 'gpt-5', name: 'GPT-5', contextWindow: 200000 },
             { id: 'gpt-4.5-preview', name: 'GPT-4.5 Preview', contextWindow: 128000 },
@@ -246,10 +252,17 @@ if (isOpenAI) {
     };
     // Add models to the allowlist so they appear in /models
     config.agents.defaults.models = config.agents.defaults.models || {};
-    config.agents.defaults.models['openai/gpt-5.2'] = { alias: 'GPT-5.2' };
-    config.agents.defaults.models['openai/gpt-5'] = { alias: 'GPT-5' };
-    config.agents.defaults.models['openai/gpt-4.5-preview'] = { alias: 'GPT-4.5' };
-    config.agents.defaults.model.primary = 'openai/gpt-5.2';
+    if (isCompat) {
+        config.agents.defaults.models['openai/gpt-5-mini'] = { alias: 'GPT-5 Mini' };
+        config.agents.defaults.models['google-ai-studio/gemini-2.5-flash'] = { alias: 'Gemini 2.5 Flash' };
+        config.agents.defaults.models['anthropic/claude-sonnet-4-5'] = { alias: 'Claude Sonnet 4.5' };
+        config.agents.defaults.model.primary = 'anthropic/claude-sonnet-4-5';
+    } else {
+        config.agents.defaults.models['openai/gpt-5.2'] = { alias: 'GPT-5.2' };
+        config.agents.defaults.models['openai/gpt-5'] = { alias: 'GPT-5' };
+        config.agents.defaults.models['openai/gpt-4.5-preview'] = { alias: 'GPT-4.5' };
+        config.agents.defaults.model.primary = 'openai/gpt-5.2';
+    }
 } else if (baseUrl) {
     console.log('Configuring Anthropic provider with base URL:', baseUrl);
     config.models = config.models || {};