Uses of Interface
dev.langchain4j.model.chat.ChatModel

Packages that use ChatModel

Package	Description
dev.langchain4j.chain
dev.langchain4j.experimental.rag.content.retriever.sql
dev.langchain4j.model.anthropic
dev.langchain4j.model.azure
dev.langchain4j.model.bedrock
dev.langchain4j.model.bedrock.internal
dev.langchain4j.model.chat
dev.langchain4j.model.github
dev.langchain4j.model.googleai
dev.langchain4j.model.huggingface
dev.langchain4j.model.jlama
dev.langchain4j.model.localai
dev.langchain4j.model.mistralai
dev.langchain4j.model.ollama
dev.langchain4j.model.openai
dev.langchain4j.model.openaiofficial
dev.langchain4j.model.vertexai
dev.langchain4j.model.workersai
dev.langchain4j.rag.query.router
dev.langchain4j.rag.query.transformer
dev.langchain4j.service
dev.langchain4j.service.tool
dev.langchain4j.store.embedding.filter.builder.sql

Uses of ChatModel in dev.langchain4j.chain

Methods in dev.langchain4j.chain with parameters of type ChatModel

Modifier and Type	Method	Description
ConversationalChain.ConversationalChainBuilder	ConversationalChain.ConversationalChainBuilder.chatModel(ChatModel chatModel)
ConversationalRetrievalChain.Builder	ConversationalRetrievalChain.Builder.chatModel(ChatModel chatModel)

Constructors in dev.langchain4j.chain with parameters of type ChatModel

Modifier	Constructor	Description
	ConversationalRetrievalChain(ChatModel chatModel, ChatMemory chatMemory, ContentRetriever contentRetriever)
	ConversationalRetrievalChain(ChatModel chatModel, ChatMemory chatMemory, RetrievalAugmentor retrievalAugmentor)

Uses of ChatModel in dev.langchain4j.experimental.rag.content.retriever.sql

Methods in dev.langchain4j.experimental.rag.content.retriever.sql with parameters of type ChatModel

Modifier and Type	Method	Description
SqlDatabaseContentRetriever.SqlDatabaseContentRetrieverBuilder	SqlDatabaseContentRetriever.SqlDatabaseContentRetrieverBuilder.chatModel(ChatModel chatModel)

Constructors in dev.langchain4j.experimental.rag.content.retriever.sql with parameters of type ChatModel

Modifier	Constructor	Description
	SqlDatabaseContentRetriever(DataSource dataSource, String sqlDialect, String databaseStructure, PromptTemplate promptTemplate, ChatModel chatModel, Integer maxRetries)	Creates an instance of a SqlDatabaseContentRetriever.

Uses of ChatModel in dev.langchain4j.model.anthropic

Classes in dev.langchain4j.model.anthropic that implement ChatModel

Modifier and Type	Class	Description
class	AnthropicChatModel	Represents an Anthropic language model with a Messages (chat) API.

Uses of ChatModel in dev.langchain4j.model.azure

Classes in dev.langchain4j.model.azure that implement ChatModel

Modifier and Type	Class	Description
class	AzureOpenAiChatModel	Represents an OpenAI language model, hosted on Azure, that has a chat completion interface, such as gpt-3.5-turbo.

Uses of ChatModel in dev.langchain4j.model.bedrock

Classes in dev.langchain4j.model.bedrock that implement ChatModel

Modifier and Type	Class	Description
class	BedrockAI21LabsChatModel	Deprecated, for removal: This API element is subject to removal in a future version. please use BedrockChatModel instead
class	BedrockAnthropicCompletionChatModel	Deprecated, for removal: This API element is subject to removal in a future version. please use BedrockChatModel instead
class	BedrockAnthropicMessageChatModel	Deprecated, for removal: This API element is subject to removal in a future version. please use BedrockChatModel instead
class	BedrockChatModel	BedrockChatModel uses the Bedrock ConverseAPI.
class	BedrockCohereChatModel	Deprecated, for removal: This API element is subject to removal in a future version. please use BedrockChatModel instead
class	BedrockLlamaChatModel	Deprecated, for removal: This API element is subject to removal in a future version. please use BedrockChatModel instead
class	BedrockMistralAiChatModel	Deprecated, for removal: This API element is subject to removal in a future version. please use BedrockChatModel instead
class	BedrockStabilityAIChatModel	Deprecated, for removal: This API element is subject to removal in a future version. Will be removed in the next release, this functionality will not be supported anymore.
class	BedrockTitanChatModel	Deprecated, for removal: This API element is subject to removal in a future version. please use BedrockChatModel instead

Uses of ChatModel in dev.langchain4j.model.bedrock.internal

Classes in dev.langchain4j.model.bedrock.internal that implement ChatModel

Modifier and Type	Class	Description
class	AbstractBedrockChatModel<T extends BedrockChatModelResponse>	Bedrock chat model using the Bedrock InvokeAPI.

Uses of ChatModel in dev.langchain4j.model.chat

Classes in dev.langchain4j.model.chat that implement ChatModel

Modifier and Type	Class	Description
class	DisabledChatModel	A ChatModel which throws a ModelDisabledException for all of its methods

Uses of ChatModel in dev.langchain4j.model.github

Classes in dev.langchain4j.model.github that implement ChatModel

Modifier and Type	Class	Description
class	GitHubModelsChatModel	Represents a language model, hosted on GitHub Models, that has a chat completion interface, such as gpt-4o.

Uses of ChatModel in dev.langchain4j.model.googleai

Classes in dev.langchain4j.model.googleai that implement ChatModel

Modifier and Type	Class	Description
class	GoogleAiGeminiChatModel

Uses of ChatModel in dev.langchain4j.model.huggingface

Classes in dev.langchain4j.model.huggingface that implement ChatModel

Modifier and Type	Class	Description
class	HuggingFaceChatModel

Uses of ChatModel in dev.langchain4j.model.jlama

Classes in dev.langchain4j.model.jlama that implement ChatModel

Modifier and Type	Class	Description
class	JlamaChatModel

Uses of ChatModel in dev.langchain4j.model.localai

Classes in dev.langchain4j.model.localai that implement ChatModel

Modifier and Type	Class	Description
class	LocalAiChatModel	See LocalAI documentation for more details.

Uses of ChatModel in dev.langchain4j.model.mistralai

Classes in dev.langchain4j.model.mistralai that implement ChatModel

Modifier and Type	Class	Description
class	MistralAiChatModel	Represents a Mistral AI Chat Model with a chat completion interface, such as open-mistral-7b and open-mixtral-8x7b This model allows generating chat completion of a sync way based on a list of chat messages.

Uses of ChatModel in dev.langchain4j.model.ollama

Classes in dev.langchain4j.model.ollama that implement ChatModel

Modifier and Type	Class	Description
class	OllamaChatModel	Ollama API reference Ollama API parameters.

Uses of ChatModel in dev.langchain4j.model.openai

Classes in dev.langchain4j.model.openai that implement ChatModel

Modifier and Type	Class	Description
class	OpenAiChatModel	Represents an OpenAI language model with a chat completion interface, such as gpt-4o-mini and o3.

Uses of ChatModel in dev.langchain4j.model.openaiofficial

Classes in dev.langchain4j.model.openaiofficial that implement ChatModel

Modifier and Type	Class	Description
class	OpenAiOfficialChatModel

Uses of ChatModel in dev.langchain4j.model.vertexai

Classes in dev.langchain4j.model.vertexai that implement ChatModel

Modifier and Type	Class	Description
class	VertexAiChatModel	Deprecated, for removal: This API element is subject to removal in a future version. The "Bison" models have been discontinued by Google.
class	VertexAiGeminiChatModel	Represents a Google Vertex AI Gemini language model with a chat completion interface, such as gemini-pro.

Uses of ChatModel in dev.langchain4j.model.workersai

Classes in dev.langchain4j.model.workersai that implement ChatModel

Modifier and Type	Class	Description
class	WorkersAiChatModel	WorkerAI Chat model.

Uses of ChatModel in dev.langchain4j.rag.query.router

Fields in dev.langchain4j.rag.query.router declared as ChatModel

Modifier and Type	Field	Description
protected final ChatModel	LanguageModelQueryRouter.chatModel

Methods in dev.langchain4j.rag.query.router with parameters of type ChatModel

Modifier and Type	Method	Description
LanguageModelQueryRouter.LanguageModelQueryRouterBuilder	LanguageModelQueryRouter.LanguageModelQueryRouterBuilder.chatModel(ChatModel chatModel)

Constructors in dev.langchain4j.rag.query.router with parameters of type ChatModel

Modifier	Constructor	Description
	LanguageModelQueryRouter(ChatModel chatModel, Map<ContentRetriever,String> retrieverToDescription)
	LanguageModelQueryRouter(ChatModel chatModel, Map<ContentRetriever,String> retrieverToDescription, PromptTemplate promptTemplate, LanguageModelQueryRouter.FallbackStrategy fallbackStrategy)

Uses of ChatModel in dev.langchain4j.rag.query.transformer

Fields in dev.langchain4j.rag.query.transformer declared as ChatModel

Modifier and Type	Field	Description
protected final ChatModel	CompressingQueryTransformer.chatModel
protected final ChatModel	ExpandingQueryTransformer.chatModel

Methods in dev.langchain4j.rag.query.transformer with parameters of type ChatModel

Modifier and Type	Method	Description
CompressingQueryTransformer.CompressingQueryTransformerBuilder	CompressingQueryTransformer.CompressingQueryTransformerBuilder.chatModel(ChatModel chatModel)
ExpandingQueryTransformer.ExpandingQueryTransformerBuilder	ExpandingQueryTransformer.ExpandingQueryTransformerBuilder.chatModel(ChatModel chatModel)

Constructors in dev.langchain4j.rag.query.transformer with parameters of type ChatModel

Modifier	Constructor	Description
	CompressingQueryTransformer(ChatModel chatModel)
	CompressingQueryTransformer(ChatModel chatModel, PromptTemplate promptTemplate)
	ExpandingQueryTransformer(ChatModel chatModel)
	ExpandingQueryTransformer(ChatModel chatModel, int n)
	ExpandingQueryTransformer(ChatModel chatModel, PromptTemplate promptTemplate)
	ExpandingQueryTransformer(ChatModel chatModel, PromptTemplate promptTemplate, Integer n)

Uses of ChatModel in dev.langchain4j.service

Fields in dev.langchain4j.service declared as ChatModel

Modifier and Type	Field	Description
ChatModel	AiServiceContext.chatModel

Methods in dev.langchain4j.service with parameters of type ChatModel

Modifier and Type	Method	Description
AiServices<T>	AiServices.chatModel(ChatModel chatModel)	Configures chat model that will be used under the hood of the AI Service.
static <T> T	AiServices.create(Class<T> aiService, ChatModel chatModel)	Creates an AI Service (an implementation of the provided interface), that is backed by the provided chat model.

Uses of ChatModel in dev.langchain4j.service.tool

Methods in dev.langchain4j.service.tool with parameters of type ChatModel

Modifier and Type	Method	Description
ToolServiceResult	ToolService.executeInferenceAndToolsLoop(ChatResponse chatResponse, ChatRequestParameters parameters, List<ChatMessage> messages, ChatModel chatModel, ChatMemory chatMemory, Object memoryId, Map<String,ToolExecutor> toolExecutors)

Uses of ChatModel in dev.langchain4j.store.embedding.filter.builder.sql

Fields in dev.langchain4j.store.embedding.filter.builder.sql declared as ChatModel

Modifier and Type	Field	Description
protected final ChatModel	LanguageModelSqlFilterBuilder.chatModel

Methods in dev.langchain4j.store.embedding.filter.builder.sql with parameters of type ChatModel

Modifier and Type	Method	Description
LanguageModelSqlFilterBuilder.LanguageModelSqlFilterBuilderBuilder	LanguageModelSqlFilterBuilder.LanguageModelSqlFilterBuilderBuilder.chatModel(ChatModel chatModel)

Constructors in dev.langchain4j.store.embedding.filter.builder.sql with parameters of type ChatModel

Modifier	Constructor	Description
	LanguageModelSqlFilterBuilder(ChatModel chatModel, TableDefinition tableDefinition)