OpenAI Launches GPT-5 Amid Industry Push for AI Returns on Investment

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OpenAI unveiled GPT-5 on Thursday, the latest iteration of its influential AI technology powering ChatGPT, available now to all 700 million users of the chatbot platform. This launch marks a key moment as the AI sector seeks to justify massive investments by demonstrating clear enterprise value.

While consumer enthusiasm remains strong, with users captivated by ChatGPT’s conversational capabilities, business spending on AI has yet to fully materialize. The industry’s top players—Alphabet, Meta, Amazon, and Microsoft (which backs OpenAI)—are collectively spending nearly $400 billion this fiscal year on AI infrastructure, raising expectations for significant returns.

OpenAI is currently in talks to let employees cash out at a $500 billion valuation, up from $300 billion. The company has attracted high-profile talent with signing bonuses reaching $100 million, underscoring intense competition for AI expertise.

CEO Sam Altman emphasized GPT-5’s advancements in software development, finance, and health queries, describing it as capable of expert-level responses comparable to PhD-level knowledge. A standout feature demonstrated was “vibe coding”—the ability to generate fully functioning software from natural language prompts, highlighting a new era of software on demand.

However, early reviewers suggest that the leap from GPT-4 to GPT-5, while impressive, may not be as large as previous model upgrades. Altman acknowledged GPT-5 still cannot autonomously learn, a critical step toward matching human-like intelligence.

A new capability called “test-time compute” enables GPT-5 to spend extra computational effort on harder problems, improving its reasoning and problem-solving. This technology is now publicly accessible for the first time and is central to OpenAI’s mission to build broadly beneficial AI.

Despite GPT-5’s launch, OpenAI faces challenges, including a shortage of new training data and the complexity and cost of running large-scale AI training. The company sees infrastructure expansion worldwide as essential for broader AI adoption.

Altman remains optimistic about AI’s future impact but stresses that current investments in infrastructure are still insufficient to realize its full potential globally.

Pinterest Profit Miss Overshadows Strong Gen Z User and AI-Driven Growth

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Pinterest reported second-quarter results that missed profit expectations, causing shares to drop over 11% in after-hours trading despite strong revenue and user growth. The company posted adjusted earnings per share of 33 cents, below analysts’ estimate of 35 cents.

Pinterest’s revenue grew 17% year-over-year to $998.2 million, surpassing expectations of $974.8 million. The platform’s user base has expanded significantly, with Gen Z now making up more than half of its users, fueling growth. Additionally, Pinterest’s AI-powered advertising suite, Performance+, has gained traction among mid-market advertisers, cutting campaign creation times by half.

Looking ahead, Pinterest forecast third-quarter revenue between $1.03 billion and $1.05 billion, roughly in line with analyst expectations but signaling no acceleration from the previous quarter’s growth rate. Analysts noted that high market expectations may have contributed to the selloff following the earnings report.

The company faces competitive pressure from peers like Meta and Reddit, which reported strong quarterly results, while Snap saw its slowest revenue growth in over a year. Changes in U.S. import duty rules also tightened advertising budgets for smaller platforms like Snap, indirectly benefiting larger platforms like Pinterest.

Pinterest’s ad pricing fell 25% year-over-year, impacted by a growing share of international ad impressions where rates are lower. The company’s monthly active users (MAUs) reached 578 million, up 11% year-over-year and beating estimates, though user growth slowed compared to the previous quarter.

Analysts suggest that Pinterest’s user base may be nearing saturation despite ongoing AI enhancements aimed at driving growth.

Australia’s Privacy Regulator Sues Optus Over Massive 2022 Data Breach

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Australia’s privacy regulator, the Australian Information Commissioner (AIC), has filed a lawsuit against Optus, the Singapore Telecommunications-owned carrier, alleging violations of the Privacy Act 1988 related to a 2022 cyberattack that compromised personal data of nearly 9.5 million customers.

The lawsuit names both Singtel Optus Pty Ltd and Optus Systems Pty Ltd as defendants. The AIC claims a separate breach for each affected customer, with potential fines up to A$2.2 million per breach. However, the regulator has not disclosed the total fine amount sought. Optus is currently reviewing the claims but has not yet assessed the financial impact.

The September 2022 cyberattack is considered one of the worst data breaches in Australia’s history, exposing sensitive information including home addresses, passport details, and phone numbers. Around 10 million Australians—about 40% of the population—were affected, and many experienced a significant disruption to mobile, broadband, and landline services.

The breach sparked calls from Prime Minister Anthony Albanese for stronger privacy laws and faster breach notifications, especially to banks. Optus has also faced ongoing criticism due to a 12-hour nationwide network outage in 2023, leading to the resignation of then-CEO Kelly Bayer Rosmarin.

In addition to this legal action, Optus was taken to court by Australia’s domestic media regulator earlier in 2024 over the same cyberattack.