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 external val onDidChangeLanguageModelChatInformation: Event<Void>?

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

Functions

provideLanguageModelChatInformation

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

Get the list of available language models provided by this provider

provideLanguageModelChatResponse

abstract external 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 LanguageModelChatProvider must emit the response parts to the progress callback as they are received from the language model.

provideTokenCount

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

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

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