Stephen Bochinski compares Kimi K3 (an open-source AI model) against Claude for coding tasks. He finds it's hard to tell the difference between K3 and Claude in terms of output quality and token efficiency, but at significantly lower cost ($3/$15 per million input/output tokens vs Claude's $10/$50). He highlights the subscription pricing is even more lopsided in K3's favor, showing it as another disruptive model in the AI market, challenging assumptions that open models are inferior.