Ember-1 — reviews, specs & pricing

Fireworks Research's first self-trained model, post-trained from Kimi K3 to use about 40% fewer reasoning tokens.

Summary

Fireworks Research's first self-trained model, post-trained from Kimi K3 to use about 40% fewer reasoning tokens.

Sample use case

Cost-efficient reasoning for coding and agents

Specifications

  • Provider: fireworks ai
  • License: proprietary
  • Context: 1040k tokens
  • Input price: $3/M tok
  • Output price: $15/M tok
  • Released: 2026-09-23

Pros

  • About 40% fewer tokens than Kimi K3
  • Validated in live customer tests
  • 1M+ token context

Cons

  • Research preview
  • Built on Kimi K3 base

Average rating 0.0 from 0 community reviews on Reviuws.

Frequently asked questions

What is Ember-1?

Fireworks Research's first self-trained model, post-trained from Kimi K3 to use about 40% fewer reasoning tokens.

How much does Ember-1 cost?

Ember-1 costs $3 per million input tokens and $15 per million output tokens.

Is Ember-1 open source?

Ember-1 is released under the proprietary license.