Core Insights - Arista Networks, Inc. (ANET) reported strong fourth-quarter 2025 results, with revenues and adjusted earnings significantly increasing year over year, driven by robust demand trends and innovative product launches [1] Financial Performance - GAAP net income for the quarter rose to $955.8 million or 75 cents per share, up from $801 million or 62 cents per share in the previous year [2] - Non-GAAP net income reached a record high of $1.05 billion or 82 cents per share, compared to $849.6 million or 66 cents per share in the year-ago quarter, beating the Zacks Consensus Estimate by 7 cents [2] - For the full year 2025, GAAP earnings were $3.51 billion or $2.75 per share, an increase from $2.85 billion or $2.23 per share in 2024 [3] Revenue Growth - Quarterly revenues surged to $2.49 billion from $1.93 billion in the prior-year quarter, exceeding the consensus estimate of $2.37 billion [4] - Total revenues for 2025 increased to $9.01 billion from $7 billion in 2024, driven by strong demand across the product portfolio [4] Product and Service Performance - Net quarterly sales from products totaled $2.09 billion, up from $1.61 billion in the year-ago quarter, while service revenues increased to $392.1 million from $322.3 million [5] - The Americas contributed approximately 79% to total revenues, with international revenues making up the remainder [6] Profitability Metrics - Non-GAAP gross profit rose to $1.58 billion with respective margins of 63.4% and 64.2%, although the margin declined year over year due to a higher mix of sales to cloud and AI Titan customers [7] - Total operating expenses increased to $530.9 million from $431.4 million in the year-ago quarter, but operating income rose to $1.03 billion from $799.6 million [8] Future Outlook - For Q1 2026, management expects revenues to be approximately $2.6 billion, with a projected 25% revenue growth for 2026 [9][11] - Non-GAAP gross margin is expected to be between 62-63% and non-GAAP operating margin around 46% for Q1 2026 [11] Cash Flow and Liquidity - In 2025, Arista generated $4.37 billion of net cash from operating activities, compared to $3.71 billion in 2024 [10] - As of December 31, 2025, the company had $1.96 billion in cash and cash equivalents [10]