Oracle vs. IBM: Assessing the Cloud AI Contenders After a Market Reset

Key Points

• Oracle maintains a heavier concentration in cloud infrastructure, whereas IBM operates as a more diversified enterprise.
• IBM Z mainframes serve as an AI catalyst, though the segment remains a modest contributor to overall revenue.
• OpenAI accounts for a significant share of Oracle’s remaining performance obligations, raising questions about long-term collectibility.

Not long ago, Oracle (NYSE: ORCL) appeared on track to join the trillion-dollar market cap club. That trajectory reversed sharply as the stock surrendered roughly 40% of its value over the past year. Fellow cloud platform provider IBM (NYSE: IBM) has also faced headwinds, though its relatively flat year-to-date performance seems muted by comparison. Both firms are positioned to benefit from artificial intelligence tailwinds and are already gaining market share. The pullback makes Oracle appear more attractively valued, while IBM offers a lower-risk profile.

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Cloud Remains Central to the Narrative

Cloud computing drives a substantial portion of revenue for both companies, making it the logical starting point for comparison. IBM reports hybrid cloud results within its software segment. In the first quarter, cloud revenue climbed 13% year over year, lifting software sales by 11%. Consolidated revenue grew 9% across the enterprise.

Oracle derives greater leverage from its cloud division, which sits at the core of its AI strategy. Cloud revenue surged 47% year over year in the fiscal 2026 fourth quarter. The Cloud Infrastructure segment contributed more than half of total cloud revenue and nearly doubled year over year, suggesting an accelerating growth trajectory for the broader cloud business.

Oracle’s remaining performance obligations (RPO) reached $638 billion, providing strong revenue visibility. However, this backlog is heavily concentrated: OpenAI, the parent of ChatGPT, signed a five-year agreement valued at over $300 billion commencing in 2027. That single contract represents nearly half of total RPO and originates from a company that has yet to achieve profitability. How OpenAI will fund an annual $60 billion commitment for five years—amid other substantial financial obligations—remains uncertain. Since RPO only converts to revenue if the customer pays, OpenAI’s outsized influence on Oracle’s future results partly explains the stock’s decline.

IBM Z Is a Catalyst, Albeit a Small One for Now

The IBM Z portfolio comprises the company’s mainframe systems, engineered for zero downtime. These machines are critical for real-time AI inference, capable of processing more than one million transactions per second on a single unit. Consequently, this segment has posted exceptional growth, rising 51% year over year, underscoring that IBM’s AI exposure extends beyond cloud.

Nevertheless, IBM Z remains a minor slice of the Infrastructure segment, which generated $3.3 billion in revenue—a 15% year-over-year increase. Infrastructure accounts for slightly over 20% of total revenue, meaning IBM Z’s impact on the consolidated business is even smaller.

Oracle also benefits from growth in adjacent segments. Hardware and services revenue rose 9% and 13% year over year, respectively, though together they constitute less than 15% of total sales. Software license revenue declined 2% year over year but still represents over one-third of the top line. While IBM possesses more diversified revenue streams beyond cloud, Oracle’s cloud-centric model has delivered superior revenue and net income growth rates.

Valuation Comparison

When Oracle was flirting with a trillion-dollar valuation, it commanded a significant premium to IBM. The subsequent correction, coupled with strengthening fundamentals, has flipped that dynamic: Oracle now trades at a discount. Oracle’s price-to-earnings ratio sits at approximately 25x, versus 26x for IBM.

Although the headline multiples are similar, Oracle’s faster growth widens the advantage on forward-looking metrics such as the forward P/E and PEG ratios. While concerns regarding OpenAI’s ability to honor its commitments could pressure Oracle’s backlog, the company continues to execute at impressive growth rates in the near term. Management’s full-year fiscal 2027 guidance implies roughly 28% year-over-year revenue growth at the midpoint, driven predominantly by cloud infrastructure.

IBM remains a credible candidate for a rebound and positive returns through year-end. However, the severity of Oracle’s sell-off may have been excessive. Investors forced to choose a single name may find the risk-reward profile more compelling at Oracle.

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.

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