> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ModelGroup - TypeScript SDK

> ModelGroup method reference

<Warning>
  The TypeScript SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/typescript-sdk/issues).
</Warning>

Tokenizer type used by the model

## Example Usage

```typescript lines theme={null}
import { ModelGroup } from "@openrouter/sdk/models";

let value: ModelGroup = "GPT";
```

## Values

This is an open enum. Unrecognized values will be captured as the `Unrecognized<string>` branded type.

```typescript lines theme={null}
"Router" | "Media" | "Other" | "GPT" | "Claude" | "Gemini" | "Grok" | "Cohere" | "Nova" | "Qwen" | "Yi" | "DeepSeek" | "Mistral" | "Llama2" | "Llama3" | "Llama4" | "PaLM" | "RWKV" | "Qwen3" | Unrecognized<string>
```