Capability-tier AI pricing

<div class="capability"><div class="tabs"><button data-tier="0">BASIC</button><button data-tier="1" class="on">PLUS</button><button data-tier="2">PRO</button></div><div class="measures"><div>QUALITY TARGET <i id="quality"></i><b id="q">70</b></div><div>DELIVERY COST <i id="cost"></i><b id="c">$12</b></div><div>PRICE <i id="price"></i><b id="p">$29</b></div></div></div>

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