Meta launches Muse Ember starting at $0.10 per million input tokens

Top News · 273 HN points

Muse Ember is Meta’s small execution model for repetitive agent work, priced at $0.10 input and $0.50 output per million tokens for prompts up to 200,000 input tokens. It is available in Muse Code, including every subscription plan, and the Meta Model API.

Here's what you get:

• Ember scores 37.8% on AutomationBench-AA at maximum reasoning, versus GPT-6 Luna’s 20.2% and Claude Haiku 5.5’s 13.9%, according to Meta.
• Ember scores 40.9% on Terminal-Bench 4.0 at maximum reasoning, versus Claude Haiku 5.5’s 39.2% and GPT-6 Luna’s 16.4%, according to Meta.
• Meta recommends pairing Ember’s repeatable execution with Muse Wonder or Muse Spark for harder planning and orchestration.

One catch: above 200,000 input tokens, pricing rises to $0.30 input and $1.50 output per million tokens.

Try it: Use muse-ember-1.0 with an OpenAI-compatible client at https://api.meta.ai/v1, using a key from dev.meta.ai.

Sources: research.meta.ai · dev.meta.ai