Three years after ChatGPT’s meteoric debut, OpenAI — the $500-billion “AI colossus” — now faces the most formidable challenge in its history. According to the Financial Times, as rivals Google and Anthropic advance at breakneck speed, the massive early lead OpenAI once enjoyed is steadily eroding, and the company may even be on the verge of being overtaken.
Google, which just a year ago was dismissed by many and lagging in market performance, has staged a dramatic resurgence. The turning point came with its Google I/O developer conference in May and the summer phenomenon of its Nano Banana AI image generator, which propelled the Gemini app’s monthly active users from 400 million in May to an astonishing 650 million.
Last week’s unveiling of the Gemini 3 model is widely seen as the capstone of Google’s return to prominence. In key benchmark tests, the model surpassed OpenAI’s GPT-5, showcasing Google’s unique advantage in full-stack training powered by its own TPU chips.
DeepMind CTO Koray Kavukcuoglu noted that this approach allows Google to sharply accelerate AI performance without depending on NVIDIA’s costly hardware.
Salesforce CEO Marc Benioff went so far as to marvel on X: “I’ve used ChatGPT every day for over three years, but after just two hours with Gemini 3, I can’t go back.” He added that the leap was “insane,” as though “the world had shifted again.”
Confronted with Google’s counterattack, OpenAI CEO Sam Altman warned employees in an internal memo last month that the company would face “short-term competitive pressure,” and that the coming months would likely feel “a bit rough.”
Beyond technical competition, OpenAI is also grappling with soaring data-center costs and a growing challenge in retaining top talent. The company has pledged to invest $1.4 trillion in compute capacity over the next eight years — a staggering sum far exceeding its current revenue, and described by the AI Now Institute as “an extraordinarily risky bet.”
While OpenAI still boasts more than 800 million weekly active users, the enterprise market tells a different story. Anthropic — founded by former OpenAI employees — has built a rapidly expanding business on the strength of its Claude assistant and exceptional coding tools, with a valuation expected to exceed $300 billion.
Hugging Face co-founder Thomas Wolf remarked, “This is not the world of two years ago, when OpenAI towered above the rest. This is a new world.”
As Alphabet’s market capitalization nears $4 trillion, Wall Street has renewed confidence in Google’s ability to leverage its search, cloud, and hardware ecosystems. Analyst Michael Nathanson observes that the pressure has now shifted squarely onto Sam Altman — to prove he can maintain technological leadership while successfully converting massive investment into financial returns.