kotlin-vscode/vscode/LanguageModelChatProvider

LanguageModelChatProvider

interface LanguageModelChatProvider<T : LanguageModelChatInformation>(source)

A LanguageModelChatProvider implements access to language models, which users can then use through the chat view, or through extension API by acquiring a LanguageModelChat. An example of this would be an OpenAI provider that provides models like gpt-5, o3, etc.

Online Documentation

Properties

onDidChangeLanguageModelChatInformation

abstract val onDidChangeLanguageModelChatInformation: Event<Void?>?

An optional event fired when the available set of language models changes.

Functions

provideLanguageModelChatInformation

abstract fun provideLanguageModelChatInformation(options: PrepareLanguageModelChatModelOptions, token: CancellationToken): ProviderResult<ReadonlyArray<T>>

Get the list of available language models provided by this provider

provideLanguageModelChatResponse

abstract fun provideLanguageModelChatResponse(model: T, messages: ReadonlyArray<LanguageModelChatRequestMessage>, options: ProvideLanguageModelChatResponseOptions, progress: Progress<LanguageModelResponsePart>, token: CancellationToken): PromiseLike<Void?>

Returns the response for a chat request, passing the results to the progress callback. The {@linkcode LanguageModelChatProvider} must emit the response parts to the progress callback as they are received from the language model.

provideTokenCount

abstract fun provideTokenCount(model: T, text: JsAny, token: CancellationToken): PromiseLike<JsInt>

Returns the number of tokens for a given text using the model-specific tokenizer logic