> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Tokenizer - Go SDK

> Tokenizer type definition

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

Tokenizer type used by the model

## Example Usage

```go lines theme={null}
import (
	"github.com/OpenRouterTeam/go-sdk/models/components"
)

value := components.TokenizerRouter

// Open enum: custom values can be created with a direct type cast
custom := components.Tokenizer("custom_value")
```

## Values

| Name                | Value    |
| ------------------- | -------- |
| `TokenizerRouter`   | Router   |
| `TokenizerMedia`    | Media    |
| `TokenizerOther`    | Other    |
| `TokenizerGpt`      | GPT      |
| `TokenizerClaude`   | Claude   |
| `TokenizerGemini`   | Gemini   |
| `TokenizerGemma`    | Gemma    |
| `TokenizerGrok`     | Grok     |
| `TokenizerCohere`   | Cohere   |
| `TokenizerNova`     | Nova     |
| `TokenizerQwen`     | Qwen     |
| `TokenizerYi`       | Yi       |
| `TokenizerDeepSeek` | DeepSeek |
| `TokenizerMistral`  | Mistral  |
| `TokenizerLlama2`   | Llama2   |
| `TokenizerLlama3`   | Llama3   |
| `TokenizerLlama4`   | Llama4   |
| `TokenizerPaLm`     | PaLM     |
| `TokenizerRwkv`     | RWKV     |
| `TokenizerQwen3`    | Qwen3    |