Enum Class ModelType

java.lang.Object

java.lang.Enum<ModelType>

dev.langchain4j.model.catalog.ModelType

All Implemented Interfaces:

Serializable, Comparable<ModelType>, Constable

@Experimental
public enum ModelType
extends Enum<ModelType>

Represents the type/category of a model.

Since:

1.10.0

Nested Class Summary

Nested classes/interfaces inherited from class Enum

Enum.EnumDesc<E>

Enum Constant Summary

Enum Constants

Enum Constant	Description
AUDIO_GENERATION	Audio generation models (text-to-speech).
AUDIO_TRANSCRIPTION	Audio transcription models (speech-to-text).
CHAT	Chat/conversational models (e.g., GPT-5, Claude, etc.).
EMBEDDING	Text embedding models for vector representations.
IMAGE_GENERATION	Image generation models (e.g., DALL-E, Stable Diffusion).
MODERATION	Content moderation models.
OTHER	Other or unclassified model types.
SCORING	Document scoring or re-ranking models.

Method Summary

Modifier and Type	Method	Description
static ModelType	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ModelType[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

CHAT

public static final ModelType CHAT

Chat/conversational models (e.g., GPT-5, Claude, etc.). Can be used with ChatModel or StreamingChatModel.

EMBEDDING

public static final ModelType EMBEDDING

Text embedding models for vector representations. Can be used with EmbeddingModel.

IMAGE_GENERATION

public static final ModelType IMAGE_GENERATION

Image generation models (e.g., DALL-E, Stable Diffusion). Can be used with ImageModel.

AUDIO_TRANSCRIPTION

public static final ModelType AUDIO_TRANSCRIPTION

Audio transcription models (speech-to-text). Can be used with AudioTranscriptionModel.

AUDIO_GENERATION

public static final ModelType AUDIO_GENERATION

Audio generation models (text-to-speech).

MODERATION

public static final ModelType MODERATION

Content moderation models. Can be used with ModerationModel.

SCORING

public static final ModelType SCORING

Document scoring or re-ranking models. Can be used with ScoringModel.

OTHER

public static final ModelType OTHER

Other or unclassified model types.

Method Details

values

public static ModelType[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static ModelType valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null