C3.ai Inc vs Lumen Technologies Inc — how do they compare? C3.ai Inc trades at $10.1 (market cap $1.65B), while Lumen Technologies Inc trades at $6.31 (market cap $6.58B). The key difference: Lumen Technologies Inc is far larger — about 4× C3.ai Inc's market cap, and Lumen Technologies Inc is trading nearer its 52-week high, C3.ai Inc nearer its low. Which is the better fit depends on your goals.
| AI | LUMN | |
|---|---|---|
Market Cap | $1.65B | $6.58B |
Sector | Technology | Media |
52-Week High | $19.66 | $11.83 |
52-Week Low | $7.76 | $3.95 |
Enterprise Value | $1.08B | $18.20B |
Signals from Pluang's Aura AI — not financial advice
C3.ai (AI) trades at $10.125, down 2.64% on the day, with a bullish technical signal from moving averages despite overbought RSI readings. The company reported revenue of $389.06 million in 2025 but a net loss of $288.70 million, reflecting persistent unprofitability. Recent news highlights C3.ai being named a leader in AI platforms by Forrester Research (Business Wire, August 10, 2026), though CFO share sales and mixed earnings beats add complexity.
The stock faces significant fundamental challenges with negative margins and cash flow, but analyst consensus is mixed with a $10.20 price target near current levels. Investment opportunity hinges on AI platform adoption growth, while risks include sustained losses, competitive pressure, and high valuation multiples absent earnings.
LUMN stock trades at $6.375, down 3.99% today, amid a bearish technical signal and mixed earnings. The company reported a Q2 2026 loss of $0.07 per share, beating estimates, but revenue declined 9.3% year-over-year. Strategic revenues grew 14.1%, highlighting its digital transformation. CEO Kathleen Johnson purchased 100,000 shares on August 6, 2026, signaling insider confidence. Net cash flow was negative $886 million in 2025, though 2026 projections show improvement. The stock faces headwinds from high debt and legacy revenue declines.
LUMN offers a high-risk opportunity with a low P/S ratio of 0.54 and analyst consensus price target of $7.67, implying potential upside. However, persistent net losses, negative ROE of -78.94%, and $17.49 billion in long-term debt pose significant risks. Investors should weigh the digital growth potential against financial instability and cautious analyst sentiment, with 60.71% holding ratings.
Trailing returns across standard periods
C3.ai Inc is an enterprise artificial intelligence company. The company provides software-as-a-service applications that enable customers to rapidly develop, deploy, and operate large-scale Enterprise AI applications across any infrastructure. It provides solutions under three divisions namely, The C3 AI Suite, is a comprehensive application development and runtime environment that is designed to allow customers to rapidly design, develop, and deploy Enterprise AI applications of any type
Read more on AI →With 450,000 route miles of fiber, including over 35,000 route miles of subsea fiber connecting Europe, Asia, and Latin America, Lumen Technologies is one of the United States' largest telecommunications carriers serving global enterprises. Its merger with Level 3 further shifted the company's operations toward businesses (over 70% of revenue) and away from its legacy consumer business. Lumen offers businesses a full menu of communications services, providing colocation and data center services, data transportation, and end-user phone and internet service. On the consumer side, Lumen provides broadband and phone service across 37 states, where it has 4.5 million broadband customers.
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