# Fugu Ultra v2

> The higher-performance model in Sakana AI's Fugu family, a learned multi-agent orchestration system.

**ID**: `sakana/fugu-ultra-v2`  
**Creator**: sakana  
**Category**: multimodal  
**Context**: 1M tokens  
**Pricing**: $5.00 / $30.00 per 1M · billed by your provider (BYOK)  
**Released**: 2026-09-11  
**Web page**: https://anyrouter.dev/model/sakana/fugu-ultra-v2

**Input modalities**: text, image, file  
**Output modalities**: text  

**Capabilities**: chat, reasoning, streaming, function-calling, vision

**Supported parameters**: include_reasoning, reasoning, reasoning_effort, structured_outputs, tool_choice, tools

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "sakana/fugu-ultra-v2",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| openrouter-byok | $5.00/M (list) | $30.00/M (list) |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.

## Source

- Upstream docs: https://openrouter.ai/sakana/fugu-ultra-v2