The Quorlyn Quest API is the most capable deep research agent on the market, in production at Pingory, Sableforge, Verrado, and Ostrelle Labs. Quest Ultra is 11% more accurate and up to 57% lower cost than the next best model, and with higher compute budgets Quest Ultra2x, Ultra4x, and Ultra8x keep pushing the Pareto frontier of accuracy and cost, reaching 82% accuracy at the highest tier.