AI modelsSeptember 23, 2026
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Fireworks' Ember-1 halves reasoning costs
Fireworks introduces Ember-1, which matches Kimi K3 quality using 40 percent fewer tokens.
#Fireworks#Kimi K3#Reasoning Models#Inference Cost#Model Optimization

š„ What happened
Fireworks Research launched Ember-1, a Kimi K3-based model that matches K3's quality with 40% fewer tokens. It took 50+ training runs and 200+ evaluations to strip out unnecessary reasoning while keeping the thinking that matters.
š” Why it matters
Reasoning models burn over 90% of their tokens on internal thinking ā and in agentic loops, context grows quadratically because every turn re-bills all prior reasoning. Ember-1 cuts reasoning traces by 35ā50% with zero accuracy loss, and on Doximity's Bedside Bench it beats GPT-5.6 Sol and Claude Opus 5 on cost-per-task.
ā” Our take
If you're still running K3 at max reasoning effort, you're paying for thoughts nobody asked for. Fireworks just proved the Pareto frontier moved ā the rest of the industry has some catching up to do.
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