ProviderRegistry

Namespace: Vercel.AI

public sealed class ProviderRegistry

Looks up provider models by provider:model ids. Maps to createProviderRegistry. Everything after the first separator is the model id, so model ids may contain the separator.

Inheritance: object

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Constructors

ProviderRegistry(string)

public ProviderRegistry(string separator = ":")

Creates a registry. <code class=“paramref”>separator</code> splits the provider id from the model id.

Parameters

Name	Type	Description
`separator`	string

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Properties

LanguageModelMiddleware

public IReadOnlyList<ILanguageModelMiddleware>? LanguageModelMiddleware { get; set; }

Middleware applied to every language model the registry returns. The first one sees the call first.

Value: IReadOnlyList<ILanguageModelMiddleware>

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Methods

DecisionModel(string)

public IDecisionCaller DecisionModel(string providerAndModel)

Resolves provider:model to a decision model. The provider must implement IDecisionProvider or the deprecated IEvaluationProvider, or NoSuchModelError is thrown.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: IDecisionCaller

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EmbeddingModel(string)

public IEmbeddingModel EmbeddingModel(string providerAndModel)

Resolves provider:model to an embedding model.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: IEmbeddingModel

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EvaluationModel(string)

[Obsolete("Use DecisionModel instead.")]
public IEvaluationDecisionCaller EvaluationModel(string providerAndModel)

Deprecated alias of DecisionModel(string). Returns the same model, which also has the deprecated CancellationToken). Maps to evaluationModel.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: IEvaluationDecisionCaller

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FileStore(string)

public IFileStore FileStore(string providerId)

Returns the file store of the provider registered under <code class=“paramref”>providerId</code>.

Parameters

Name	Type	Description
`providerId`	string

Returns: IFileStore

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ImageModel(string)

public IImageModel ImageModel(string providerAndModel)

Resolves provider:model to an image model.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: IImageModel

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LanguageModel(string)

public ILanguageModel LanguageModel(string providerAndModel)

Resolves provider:model to a language model.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: ILanguageModel

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Register(string, ProviderBase)

public void Register(string id, ProviderBase provider)

Registers a provider under <code class=“paramref”>id</code>.

Parameters

Name	Type	Description
`id`	string
`provider`	ProviderBase

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RerankingModel(string)

public IRerankingModel RerankingModel(string providerAndModel)

Resolves provider:model to a reranking model.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: IRerankingModel

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RubricModel(string)

public IRubricModel RubricModel(string providerAndModel)

Resolves provider:model to a model that scores a candidate against a rubric.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: IRubricModel

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SkillStore(string)

public ISkillStore SkillStore(string providerId)

Returns the skill store of the provider registered under <code class=“paramref”>providerId</code>.

Parameters

Name	Type	Description
`providerId`	string

Returns: ISkillStore

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SpeechModel(string)

public ISpeechModel SpeechModel(string providerAndModel)

Resolves provider:model to a speech model.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: ISpeechModel

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TranscriptionModel(string)

public ITranscriptionModel TranscriptionModel(string providerAndModel)

Resolves provider:model to a transcription model.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: ITranscriptionModel

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VideoModel(string)

public IVideoModel VideoModel(string providerAndModel)

Resolves provider:model to a video model.

Parameters

Name	Type	Description
`providerAndModel`	string

Returns: IVideoModel

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