Chat models

Advanced features

The following table shows all the chat models that support one or more advanced features.

Model	Tool calling	Structured output	JSON mode	Local	Package
AzureChatOpenAI	✅	✅	✅	❌	langchain-openai
ChatAnthropic	✅	✅	❌	❌	langchain-anthropic
ChatBedrock	✅	❌	❌	❌	langchain-aws
ChatCohere	✅	✅	❌	❌	langchain-cohere
ChatFireworks	✅	✅	✅	❌	langchain-fireworks
ChatGroq	✅	✅	✅	❌	langchain-groq
ChatHuggingFace	✅	❌	❌	✅	langchain-huggingface
ChatMistralAI	✅	✅	❌	❌	langchain-mistralai
ChatOllama	❌	❌	❌	✅	langchain-community
ChatOpenAI	✅	✅	✅	❌	langchain-openai
ChatTogether	✅	✅	✅	❌	langchain-together
ChatVertexAI	✅	✅	❌	❌	langchain-google-vertexai
vLLM Chat (via ChatOpenAI)	❌	❌	❌	✅	langchain-community