In Q4'25, Arista Networks (ANET) reported operating cash flow of $1.26B USD, reflecting a slight quarterly decline of approximately 0.5% from $1.27B in Q3'25, while free cash flow stood at $1.22B USD, down marginally by about 1.0% from the prior quarter's $1.24B. This latest data point indicates sustained strong cash generation despite the minor dip, with both metrics remaining well above the $1B threshold. Over the period from Q1'23 to Q4'25, operating cash flow exhibited robust overall growth, rising from $374M to $1.26B—a compound annual growth rate exceeding 50%—with notable acceleration in 2024 (peaking at $1.17B in Q3'24) and a temporary slowdown in Q1'25 to $642M before rebounding. Free cash flow followed a parallel trajectory, increasing from $369M to $1.22B, consistently tracking 2-5% below operating cash flow due to capital expenditures, underscoring the company's efficient expansion in networking infrastructure amid volatile quarterly fluctuations. The bar chart highlights a stable, upward trend with no major inflection points, positioning ANET favorably for ongoing investments.