feat: add Z.AI client support and update model configurations

.env.example

@@ -4,3 +4,4 @@ GOOGLE_API_KEY=
 ANTHROPIC_API_KEY=
 XAI_API_KEY=
 OPENROUTER_API_KEY=
+ZAI_API_KEY=

README.md

@@ -127,6 +127,7 @@ export GOOGLE_API_KEY=...          # Google (Gemini)
 export ANTHROPIC_API_KEY=...       # Anthropic (Claude)
 export XAI_API_KEY=...             # xAI (Grok)
 export OPENROUTER_API_KEY=...      # OpenRouter
+export ZAI_API_KEY=...             # Z.AI (GLM)
 export ALPHA_VANTAGE_API_KEY=...   # Alpha Vantage
 ```
 

cli/utils.py

@@ -155,6 +155,9 @@ def select_shallow_thinking_agent(provider) -> str:
             ("Grok 4 Fast (Non-Reasoning) - Speed optimized", "grok-4-fast-non-reasoning"),
             ("Grok 4.1 Fast (Reasoning) - High-performance, 2M ctx", "grok-4-1-fast-reasoning"),
         ],
+        "zai": [
+            ("GLM-5 - Balanced fast research model", "glm-5"),
+        ],
         "openrouter": [
             ("NVIDIA Nemotron 3 Nano 30B (free)", "nvidia/nemotron-3-nano-30b-a3b:free"),
             ("Z.AI GLM 4.5 Air (free)", "z-ai/glm-4.5-air:free"),
@@ -222,6 +225,9 @@ def select_deep_thinking_agent(provider) -> str:
             ("Grok 4 Fast (Reasoning) - High-performance", "grok-4-fast-reasoning"),
             ("Grok 4.1 Fast (Non-Reasoning) - Speed optimized, 2M ctx", "grok-4-1-fast-non-reasoning"),
         ],
+        "zai": [
+            ("GLM-5 - Flagship research model", "glm-5"),
+        ],
         "openrouter": [
             ("Z.AI GLM 4.5 Air (free)", "z-ai/glm-4.5-air:free"),
             ("NVIDIA Nemotron 3 Nano 30B (free)", "nvidia/nemotron-3-nano-30b-a3b:free"),
@@ -263,6 +269,7 @@ def select_llm_provider() -> tuple[str, str]:
         ("Google", "https://generativelanguage.googleapis.com/v1"),
         ("Anthropic", "https://api.anthropic.com/"),
         ("xAI", "https://api.x.ai/v1"),
+        ("Z.AI", "zai", "https://api.z.ai/api/coding/paas/v4"),
         ("Openrouter", "https://openrouter.ai/api/v1"),
         ("Ollama", "http://localhost:11434/v1"),
     ]

tradingagents/llm_clients/factory.py

@@ -4,6 +4,7 @@ from .base_client import BaseLLMClient
 from .openai_client import OpenAIClient
 from .anthropic_client import AnthropicClient
 from .google_client import GoogleClient
+from .zai_client import ZAIClient
 
 
 def create_llm_client(
@@ -15,7 +16,7 @@ def create_llm_client(
     """Create an LLM client for the specified provider.
 
     Args:
-        provider: LLM provider (openai, anthropic, google, xai, ollama, openrouter)
+        provider: LLM provider (openai, anthropic, google, xai, ollama, openrouter, zai)
         model: Model name/identifier
         base_url: Optional base URL for API endpoint
         **kwargs: Additional provider-specific arguments
@@ -46,4 +47,7 @@ def create_llm_client(
     if provider_lower == "google":
         return GoogleClient(model, base_url, **kwargs)
 
+    if provider_lower == "zai":
+        return ZAIClient(model, base_url, **kwargs)
+
     raise ValueError(f"Unsupported LLM provider: {provider}")

tradingagents/llm_clients/validators.py

@@ -48,6 +48,9 @@ VALID_MODELS = {
         "grok-4-fast-reasoning",
         "grok-4-fast-non-reasoning",
     ],
+    "zai": [
+        "glm-5",
+    ],
 }
 
 

tradingagents/llm_clients/zai_client.py

@@ -0,0 +1,47 @@
+import os
+from typing import Any, Optional
+
+from langchain_openai import ChatOpenAI
+
+from .base_client import BaseLLMClient
+from .validators import validate_model
+
+
+class ZAIClient(BaseLLMClient):
+    """Client for Z.AI GLM models over the OpenAI-compatible API."""
+
+    DEFAULT_BASE_URL = "https://api.z.ai/api/coding/paas/v4"
+
+    def __init__(self, model: str, base_url: Optional[str] = None, **kwargs):
+        super().__init__(model, base_url, **kwargs)
+
+    def get_llm(self) -> Any:
+        """Return configured ChatOpenAI instance for Z.AI."""
+        llm_kwargs = {
+            "model": self.model,
+            "base_url": self.base_url or self.DEFAULT_BASE_URL,
+        }
+
+        api_key = os.environ.get("ZAI_API_KEY")
+        if api_key:
+            llm_kwargs["api_key"] = api_key
+
+        for key in (
+            "timeout",
+            "max_retries",
+            "api_key",
+            "callbacks",
+            "http_client",
+            "http_async_client",
+            "temperature",
+            "top_p",
+            "extra_body",
+        ):
+            if key in self.kwargs:
+                llm_kwargs[key] = self.kwargs[key]
+
+        return ChatOpenAI(**llm_kwargs)
+
+    def validate_model(self) -> bool:
+        """Validate model for Z.AI."""
+        return validate_model("zai", self.model)