# Ultramarine 1 Flash

> Ultramarine 1 Flash is a multimodal model from Paper Instruments for knowledge work in enterprise operations, finance, law and consulting. It is built on GLM 5.3 Flash (320B total, 18B active MoE), with a 1M-token context window and image input. Function calling is not supported.

**ID**: `fireworks/ultramarine-1-flash`  
**Creator**: fireworks  
**Category**: multimodal  
**Context**: 1M tokens  
**Pricing**: $0.23 / $0.75 per 1M · billed by your provider (BYOK)  
**Released**: 2026-10-27  
**Web page**: https://anyrouter.dev/model/fireworks/ultramarine-1-flash

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

**Capabilities**: chat, reasoning, streaming, vision

## 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": "fireworks/ultramarine-1-flash",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| requesty-byok | $0.23/M (list) | $0.75/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://router.requesty.ai/v1/models