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Fireworks says its Ember-1 research preview delivers Kimi K3 quality with 40 percent fewer tokens.

2026-09-28 · that day's edition

Fireworks reports reductions against Kimi K3 at max effort of 51.9 percent on Terminal Bench 2.1 and 15.5 percent on SWE-bench Verified in its own table, in a two-week Serverless preview; the post gives no Ember-1 price.

What this rests on

  1. Fireworks published Ember-1 on September 23, 2026, describing it as delivering Kimi K3 quality with 40 percent fewer tokens.

    Introducing Ember-1 · Fireworks AI · 2026-09-23
    a new specialized model from Fireworks Research that delivers Kimi K3 quality with 40% fewer tokens

  2. In Fireworks own comparison against Kimi K3 at max effort, Ember-1 shows reductions of 51.9 percent on Terminal Bench 2.1, 23.7 percent on DeepSWE 1.1 and 15.5 percent on SWE-bench Verified.

    narrowed to what the source supports
    Introducing Ember-1 · Fireworks AI · 2026-09-23
    a new specialized model from Fireworks Research that delivers Kimi K3 quality with 40% fewer tokens

  3. Ember-1 is rolling out as a Research Preview on Fireworks Serverless alongside Kimi K3, with two-week access that Fireworks says may become permanent based on demand.

    narrowed to what the source supports
    Introducing Ember-1 · Fireworks AI · 2026-09-23
    a new specialized model from Fireworks Research that delivers Kimi K3 quality with 40% fewer tokens

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