# Ember-1

> Ember-1 is a reasoning model from Fireworks Research built on Kimi K3. It is tuned to produce shorter reasoning traces, with tool use, image input, and a 1M-token context window.

**ID**: `fireworks/ember-1`  
**Creator**: fireworks  
**Category**: multimodal  
**Context**: 1M tokens  
**Pricing**: $3.00 / $15.00 per 1M · billed by your provider (BYOK)  
**Released**: 2026-09-23  
**Web page**: https://anyrouter.dev/model/fireworks/ember-1

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

**Capabilities**: chat, reasoning, streaming, function-calling, 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/ember-1",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| openrouter-byok | $3.00/M (list) | $15.00/M (list) |
| vercel-byok | $3.00/M (list) | $15.00/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/fireworks/ember-1