Meta releases Muse Ember, a new lightweight model for agent execution
At 10 cents per million input tokens, Ember is significantly cheaper than frontier competitors like Haiku and Luna.

TL;DR
- Meta released Muse Ember, its lightest and most cost-efficient AI model yet.
- Ember is designed for complex reasoning, tool calls, coding, routing, extraction, and long document parsing.
- It is significantly cheaper than frontier competitors like Haiku and Luna at 10 cents per million input tokens.
- Ember is cost-competitive with open-source models and designed to pair with larger models like Muse Wonder for agentic harnesses.
- The model is trained to work across text, images, and audio, allowing agents to process various media inputs.
- Ember is the fourth model released under Meta's Muse brand.