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GPT-6 Astra vs Kimi K3: time and cost on the same task

On the same task, Astra finished in 6m20s for $8 in one shot, while Kimi K3 took 12 minutes, $6.35 and two follow-ups, with nearly identical results.

Aditi
@aditiitwtArchived 2026.09.19Originally posted 2026.09.18
Aditi @aditiitwtOriginally posted 2026.09.18
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GPT-6 Astra vs Kimi K3 The gap between US and Chinese models is getting really small Astra: 6m 20s, $8, one shot Kimi K3: 12 min, $6.35, 2 follow-ups And the results? Almost identical If US labs slow down, China could catch up fast with Astra-level open-weight models That’s a serious problem for US labs

x.com/aditiitwt/status/2100933103208575185Archived 2026.09.19 10:15