Feat/add xai model provider

pyproject.toml

@@ -50,6 +50,7 @@ mistral = ["mistralai>=1.8.2"]
 ollama = ["ollama>=0.4.8,<1.0.0"]
 openai = ["openai>=1.68.0,<2.0.0"]
 writer = ["writer-sdk>=2.2.0,<3.0.0"]
+xai = ["xai-sdk>=1.5.0,<2.0.0"]
 sagemaker = [
     "boto3-stubs[sagemaker-runtime]>=1.26.0,<2.0.0",
     "openai>=1.68.0,<2.0.0",  # SageMaker uses OpenAI-compatible interface
@@ -79,7 +80,7 @@ bidi = [
 bidi-gemini = ["google-genai>=1.32.0,<2.0.0"]
 bidi-openai = ["websockets>=15.0.0,<17.0.0"]
 
-all = ["strands-agents[a2a,anthropic,docs,gemini,litellm,llamaapi,mistral,ollama,openai,writer,sagemaker,otel]"]
+all = ["strands-agents[a2a,anthropic,docs,gemini,litellm,llamaapi,mistral,ollama,openai,writer,sagemaker,xai,otel]"]
 bidi-all = ["strands-agents[a2a,bidi,bidi-gemini,bidi-openai,docs,otel]"]
 
 dev = [

src/strands/models/__init__.py

@@ -62,4 +62,8 @@ def __getattr__(name: str) -> Any:
         from .writer import WriterModel
 
         return WriterModel
+    if name == "xAIModel":
+        from .xai import xAIModel
+
+        return xAIModel
     raise AttributeError(f"cannot import name '{name}' from '{__name__}' ({__file__})")