The financial world is bracing for a seismic shift as OpenAI, the creator of ChatGPT, prepares for what could be the largest initial public offering in recent memory. The move comes as artificial intelligence companies engage in a furious race to secure capital, with valuations soaring into the stratosphere. This IPO is not just a corporate milestone; it is a barometer of market sentiment toward an industry that promises to reshape the global economy.
From my desk in the City, the numbers are staggering. OpenAI was valued at $80 billion in private markets earlier this year. For context, that is more than the market capitalisation of Goldman Sachs. The company is reportedly seeking a valuation north of $150 billion, a figure that would dwarf even the most optimistic projections. This is the kind of ambition that makes investors either salivate or reach for the smelling salts.
The timing is acute. The AI sector is caught in a whirlwind of hype and reality. On one hand, the transformative potential of generative AI is undeniable. On the other, the capital expenditure required to train and deploy models is immense. Data centres are gulping energy, chips are in short supply, and talent is being poached at salaries that would make a Premier League footballer blush. This IPO is a bid by OpenAI to lock in capital before the market turns sour.
But investors should be cautious. The landscape is littered with the wreckage of tech IPOs that promised the moon but delivered a crater. The parallels with the dot-com bubble are uncomfortable. Back then, companies with little more than a website and a dream floated shares to an insatiable public. Today, we have AI models that can write poetry and pass the bar exam, but can they turn a profit? The path to monetisation remains foggy.
OpenAI's primary revenue stream is subscription fees and API access. But competition is fierce. Google, Microsoft, and a host of startups are snapping at its heels. Microsoft, already a major investor, is integrating GPT into its own products. What happens if the tech giant decides to go it alone? The table could be flipped.
Moreover, there is the spectre of regulation. Governments are waking up to the risks of AI, from job displacement to disinformation. The EU’s AI Act is just the beginning. Stricter rules could throttle innovation and eat into margins. A regulator with a heavy hand is every investor’s nightmare.
From a macroeconomic perspective, this IPO is a litmus test for the health of capital markets. Central banks are wrestling with inflation, gilt yields are elevated, and liquidity is thinning. A successful mega-IPO could signal that risk appetite is alive and well. A flop would confirm my suspicion that we are in the late stages of a cycle.
The British investor, ever cautious, will be watching the prospectus like a hawk. How much of the company is being sold? What are the lock-up provisions? Who are the insiders cashing out? The details matter. In the City, we have a saying: ‘Never fall in love with a stock.’ OpenAI’s IPO will test that discipline.
In the end, this is a bet on the future. Will AI be the steam engine of the 21st century, or will it be the Pets.com of the 2020s? The market will decide. But as I tell the junior editors, ‘When the crowd is running one way, it pays to look the other.’ This IPO will separate the wise from the greedy.
For now, I will watch from the sidelines, calculator in hand, ready to pounce on the narrative. The race for billions is on, but the finish line is a mirage.











