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Fireworks says its Ember-1 research preview delivers Kimi K3 quality with 40 percent fewer tokens.
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.
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1 Introducing Ember-1
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Fireworks published Ember-1 on September 23, 2026, describing it as delivering Kimi K3 quality with 40 percent fewer tokens.
citePUBLISHED 9/23/2026 ... Ember-1 is a new specialized model from Fireworks Research that delivers Kimi K3’s quality with 40% fewer tokens.
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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.
Toned down to what the source says
citeEmber-1 vs. K3 Max: Terminal Bench 2.1 -51.9% / -23.1 USD; SWE-bench Verified -15.5% / -68.1 USD; DeepSWE 1.1 -23.7% / -126.9 USD
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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.
Toned down to what the source says
citeWe computed per-benchmark cost using the public Kimi K3 API pricing (uncached input $3/M tokens, cached input $0.30/M, output $15/M) ... rolling out as a serving option alongside the base Kimi K3 model as a Research Preview release on Serverless ... two-week serverless access to new research models, making them permanent based on community demand
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Source 1 · Fireworks AI · 23 Sep 2026
Introducing Ember-1
Fireworks published Ember-1 on September 23, 2026, describing it as delivering Kimi K3 quality with 40 percent fewer tokens.
PUBLISHED 9/23/2026 ... Ember-1 is a new specialized model from Fireworks Research that delivers Kimi K3’s quality with 40% fewer tokens.
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.
Toned down to what the source saysEmber-1 vs. K3 Max: Terminal Bench 2.1 -51.9% / -23.1 USD; SWE-bench Verified -15.5% / -68.1 USD; DeepSWE 1.1 -23.7% / -126.9 USD
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.
Toned down to what the source saysWe computed per-benchmark cost using the public Kimi K3 API pricing (uncached input $3/M tokens, cached input $0.30/M, output $15/M) ... rolling out as a serving option alongside the base Kimi K3 model as a Research Preview release on Serverless ... two-week serverless access to new research models, making them permanent based on community demand
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