Liệu "mùa đông AI" đang thực sự bắt đầu?

  • GPT-5 của OpenAI chính thức ra mắt trong tháng 8/2025 nhưng bị đánh giá là kém ấn tượng, khiến người dùng trung thành thất vọng. Công ty phải quay lại hỗ trợ các mô hình cũ, trong khi tuyên bố trước đó rằng đây là bước gần hơn tới trí tuệ nhân tạo tổng quát (AGI).

  • Sam Altman, CEO OpenAI, tuyên bố GPT-5 giống như “tiến sĩ chuyên gia”, nhưng cộng đồng nhanh chóng chỉ ra các lỗi đơn giản như GPT-5 không đánh vần đúng từ "blueberry". Altman sau đó giảm tần suất dùng cụm từ "AGI" và cho biết có thể cần đến "trillions of dollars" để tiếp tục phát triển công nghệ.

  • Trong khi đó, CoreWeave, một công ty cổ phiếu thuần về AI, giảm hơn 25% do dự báo chi phí đầu tư vượt xa doanh thu kỳ vọng. Cùng lúc, thời điểm kết thúc IPO lockup càng gây áp lực thêm cho cổ phiếu.

  • Báo cáo của McKinsey: Dù 80% doanh nghiệp triển khai AI tạo sinh, hầu hết đều không ghi nhận tác động rõ rệt đến lợi nhuận. Thực tế, chỉ một số ít doanh nghiệp nhìn thấy hiệu quả, thường là nhờ ứng dụng AI vào các bài toán thực tế thay vì chỉ theo đuổi thuật toán.

  • Một số chuyên gia như Gary Marcus và Brian Merchant cho rằng Altman đang phải lùi lại trước kỳ vọng quá mức về AI, và sự sụt giảm kỳ vọng hiện tại là kết quả tất yếu.

  • Dù vậy, cổ phiếu liên quan đến OpenAI như Microsoft và Nvidia vẫn giữ ổn định, cho thấy thị trường chưa quá hoảng loạn.

  • Tác giả cho rằng các chỉ số benchmark kỹ thuật hiện không còn nhiều giá trị với người dùng cuối; thay vào đó, ứng dụng thực tế mới quyết định câu chuyện AI thành công hay thất bại.


📌 GPT-5 nhận phản ứng lạnh nhạt, CoreWeave giảm hơn 25%, và đa số doanh nghiệp không thấy hiệu quả từ AI: những tín hiệu cho thấy “mùa đông AI” có thể đã bắt đầu. Thay vì chỉ dựa vào benchmark kỹ thuật, thị trường đòi hỏi hiệu quả ứng dụng thực tế rõ rệt. Nếu không, nhà đầu tư có thể phải chuẩn bị cho một mùa đông AI thật sự.

https://www.bloomberg.com/opinion/articles/2025-08-18/is-chatgpt-5-the-start-of-ai-winter

Is the AI Winter Finally Upon Us?

The tepid reception of GPT-5 and the selloff of CoreWeave could be an inflection point — or a bump in the road.
 
Dave Lee is Bloomberg Opinion's US technology columnist. He was previously a correspondent for the Financial Times and BBC News.
 
 
I wrote at the beginning of the year that Wall Street investors should brace for an “AI winter” in 2025; not necessarily a slowdown in investment, and certainly not in hype from the companies, but in tangible progress. Patience would be tested. Some recent events warrant revisiting the question: Is the AI winter upon us?

GPT-5, the long-awaited new model from Sam Altman’s OpenAI, was released earlier this month to a tepid reception. If it’s a step toward artificial general intelligence, as the company repeatedly said it would be, it’s a tiny one indeed. The model was so poorly received by some ChatGPT die-hards that the company was forced into an embarrassing rollback, making older models available again. Altman’s claim that GPT-5 was like talking to a “PhD-level” expert quickly became a joke.

At the same time, CoreWeave Inc., one of the few pure-play AI stocks, plummeted more than 25% last week after guidance that spooked investors: Revenue growth is expected to be enormously outpaced by capital expenditure increases. (And the IPO lockup was coming to an end, which didn’t help either.)
 
And while it’s hard to pin down just how beneficial AI has been, or will be, in the business world, one piece of research from McKinsey & Company should give everyone pause. While eight of out 10 companies surveyed said they were implementing generative AI in their business, the consultancy group observed, just as many said there had been “no significant bottom-line impact.”
 
Gulp.
The reaction to GPT-5 in particular has longtime AI skeptics taking a victory lap. One of the most prominent, the scientist Gary Marcus, reveled in GPT-5’s apparent comeuppance. “By rights, Altman’s reputation should by now be completely burned,” he wrote alongside a laundry list of seemingly trivial tasks that GPT-5 failed to perform adequately. Author and journalist Brian Merchant noted that Altman seemed less willing to use the phrase “artificial general intelligence” now that his latest AI still very much isn’t that. “I think it’s not a super useful term,” Altman told CNBC. Merchant pointed out that it’s a term Altman has used often, including in February on his personal blog. It’s been handy in raising billions of dollars.
Altman has had some other telling things to say over the past few days. “Are we in a phase where investors as a whole are overexcited about AI? My opinion is yes,” he told a group of reporters last week. “You should expect OpenAI to spend trillions of dollars,” was another remark. My favorite, from a CNBC interview the week before, was: “It’s nice not to be public.”
I’ll bet! Throughout this I’ve been wondering how investors would have reacted to GPT-5 had OpenAI been a publicly traded company. I suspect at the very least OpenAI would have had a CoreWeave-like week once investors considered the user revolt, the backtrack-of-sorts on superintelligence, and the prediction that “trillions” of more dollars would be needed. (Altman said he was confident the company could invent a “new kind of financial instrument for finance and compute” to fund its rapid industrial expansion. I guess we now know at least one book in the GPT-5 training data.)
 
Then again, the fallout hasn’t extended to other stocks tied closely to OpenAI’s fortunes, such as Microsoft Corp. or Nvidia Corp. This suggests investor nerves haven’t been frayed. That could be attributed to some kinder analysis out there. One argument is that the embarrassing viral failings, such as not being able to spell “blueberry,” are trivial stunts that miss the bigger picture: GPT-5 is more sophisticated in picking the appropriate model for a task, which, though it seems unremarkable, is actually practical and useful. Another view is that capabilities have improved sufficiently that groundbreaking AI agents that can go off and carry out certain tasks are just in reach — and the return on investment will kick in at that point.
 
Or it may not, and this month will be seen as the beginning of something significant. I don’t quite think we can call it an AI winter, yet — but there’s no questioning the sudden chill in the air.
My takeaway from the GPT-5 launch has been that while AI companies can tout overall performance on various benchmarks, these are becoming increasingly less relevant. Impenetrable to anyone other than AI researchers, these scores mean little to the end user, be it the consumer or the CEO.
What sets the narrative around AI progress (or lack of) is practical application, and it’s here where all AI companies are still falling short. GPT-3.5 was around for months before the demonstration of ChatGPT wowed the world — until we all discovered its many shortcomings, not through lab testing of millions of queries but with our own eyes. AI agents might be the next ChatGPT moment, if they do as promised. Call it the “Blueberry Benchmark” of real-world usefulness. Better scores are needed urgently, or investors could be in for a frigid time.

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