Chat models

Advanced features

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

info

While all these LangChain classes support the indicated advanced feature, you may have to open the provider-specific documentation to learn which hosted models or backends support the feature.

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