Ember-1
Ember-1 is a specialized reasoning model from Fireworks Research, built on [Kimi K3](https://openrouter.ai/moonshotai/kimi-k3). It is designed to make every token go further: it produces shorter reasoning traces, using roughly 40%...
The figures
- Made by
- Fireworks
- Model ID
- fireworks/ember-1
- Input
- $3 per million tokens
- Output
- $15 per million tokens
- Context window
- 1.05M tokens
- Longest answer
- 944K tokens
- Takes in
- text, image
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 24 Sept 2026
Read on 3 Oct 2026.