diff --git a/docs/ai-integration/for-agents.md b/docs/ai-integration/for-agents.md
index 672cd9c..6559e0b 100644
--- a/docs/ai-integration/for-agents.md
+++ b/docs/ai-integration/for-agents.md
@@ -102,8 +102,10 @@ cat /tmp/claudish-result-abc123.md
 |------|-------|-----|
 | Code review | `openai/gpt-5.1-codex` | Trained for code analysis |
 | Architecture | `google/gemini-3-pro-preview` | Long context, good reasoning |
-| Quick tasks | `x-ai/grok-code-fast-1` | Fast, cheap |
-| Parallel workers | `minimax/minimax-m2` | Cheapest, good enough |
+| Quick tasks | `z-ai/glm-4.6` | Fast, cheap, no OpenRouter key needed |
+| Tests & validation | `z-ai/glm-4.6` | Good for repetitive tasks, direct Z.AI API |
+| Parallel workers | `z-ai/glm-4.6` | Cheapest option via Z.AI, great for bulk work |
+| Fallback workers | `minimax/minimax-m2` | Alternative cheap option via OpenRouter |
 
 ---
 
@@ -112,13 +114,21 @@ cat /tmp/claudish-result-abc123.md
 Set environment variables for consistent behavior:
 
 ```bash
-# In sub-agent environment
-export CLAUDISH_MODEL_SUBAGENT='minimax/minimax-m2'
-export OPENROUTER_API_KEY='...'
+# In sub-agent environment - GLM-4.6 recommended (no OpenRouter key needed)
+export CLAUDISH_MODEL_SUBAGENT='z-ai/glm-4.6'
+export ZAI_API_KEY='your-zai-key'
+
+# Or use OpenRouter models (requires OPENROUTER_API_KEY)
+# export CLAUDISH_MODEL_SUBAGENT='minimax/minimax-m2'
+# export OPENROUTER_API_KEY='...'
 ```
 
 Or pass via CLI:
 ```bash
+# GLM-4.6 via Z.AI (recommended for cost)
+claudish --model z-ai/glm-4.6 --stdin < task.md
+
+# Or via OpenRouter
 claudish --model minimax/minimax-m2 --stdin < task.md
 ```
 
diff --git a/src/config.ts b/src/config.ts
index ed74728..4d6c3d3 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -23,6 +23,12 @@ export const MODEL_INFO: Record<
     priority: 2,
     provider: "MiniMax",
   },
+  "z-ai/glm-4.6": {
+    name: "Fast & cheap Chinese model",
+    description: "GLM-4.6 via Z.AI - ideal for quick tasks, tests, and parallel workers",
+    priority: 3,
+    provider: "Z.AI",
+  },
   "google/gemini-2.5-flash": {
     name: "Advanced reasoning + vision",
     description: "Advanced reasoning + vision",
diff --git a/src/profile-config.ts b/src/profile-config.ts
index 90f446f..f285e82 100644
--- a/src/profile-config.ts
+++ b/src/profile-config.ts
@@ -57,7 +57,8 @@ const DEFAULT_CONFIG: ClaudishProfileConfig = {
       models: {
         opus: "x-ai/grok-3-beta",
         sonnet: "x-ai/grok-code-fast-1",
-        haiku: "google/gemini-2.5-flash",
+        haiku: "z-ai/glm-4.6",
+        subagent: "z-ai/glm-4.6",
       },
       createdAt: new Date().toISOString(),
       updatedAt: new Date().toISOString(),