Fireworks' Ember-1 post-trains Kimi K3 to reason 40% more concisely at same quality
isidentical · x · 2026-09-28
Fireworks AI's Ember-1 is hot on HN: the team post-trained Kimi K3 to be 40% more concise in reasoning, delivering the same quality 40% faster and cheaper. Sonya notes inference platforms are doing hardcore work post-training open-weight models to solve customer problems — Fireworks' ember-1, fal's H3 max, with more to come — a strategy that makes sense given their ecosystem position, expertise and economies of scale.
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