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AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.

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---
title: AI_NoSuchModelError
description: Learn how to fix AI_NoSuchModelError
---

# AI_NoSuchModelError

This error occurs when a model ID is not found.

## Properties

- `modelId`: The ID of the model that was not found
- `modelType`: The type of model (`'languageModel'`, `'embeddingModel'`, `'imageModel'`, `'transcriptionModel'`, `'speechModel'`, or `'rerankingModel'`)
- `message`: The error message (optional, auto-generated from `modelId` and `modelType`)

## Checking for this Error

You can check if an error is an instance of `AI_NoSuchModelError` using:

```typescript
import { NoSuchModelError } from 'ai';

if (NoSuchModelError.isInstance(error)) {
  // Handle the error
}
```

Experimental decision resolution uses `modelType: 'decisionModel'`. This
includes unavailable decision capabilities and unknown decision model or
provider IDs. See [Decisions](/docs/ai-sdk-core/decisions#default-provider-strings).