token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
Why it matters
Cuts reasoning-tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → usage roughly 40% relative to Kimi K3 by training the model to reason more efficiently rather than just capping its thinking budget, which previously hurt quality, lowering the cost of long agentic and coding sessions.
