@EvanLuthra: Kimi K2 was trained for $4.6 MILLION. GPT-5 reportedly cost hundreds of millions. Kimi still beats it on coding. Last w…

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Summary

Kimi K2, trained for $4.6 million, outperforms GPT-5 and Claude Opus 4.7 on coding benchmarks, with a detailed breakdown from its founder.

Kimi K2 was trained for $4.6 MILLION. GPT-5 reportedly cost hundreds of millions. Kimi still beats it on coding. Last week it placed 1st in a live 8-model contest. Claude Opus 4.7 finished 5th. GPT-5.5 finished 3rd. The founder just dropped a 40-minute breakdown of exactly how they built it: → Optimization → Linear Attention → Sub-Agents → Open Systems → Cash 40 minutes. Zero fluff. From the guy who built it. If you're building AI agents in 2026, save this for the weekend:
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