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Tech Titans Accelerate AI Investment Amid Rising Capex Demands

Alphabet and Meta Platforms reported earnings showing stronger growth, while market reactions moved in opposite directions. Alphabet shares rose by 7% in after-hours trading, while Meta shares declined by 7%. The difference reflects how investors are assessing AI-related spending and revenue models.

Impressive Earnings With Divergent Outcomes

Both companies increased capital expenditure forecasts as investment in artificial intelligence expands. Sundar Pichai, Chief Executive Officer of Alphabet, raised 2026 capex guidance to $180 billion–$190 billion. In parallel, Mark Zuckerberg, Chief Executive Officer of Meta, increased the company’s forecast to $125 billion–$145 billion, citing higher infrastructure and component costs.

Strategies Shaped By Cloud Infrastructure

Alphabet continues to generate revenue from cloud services alongside AI development. Cloud revenue increased by 63%, supported by a backlog of approximately $460 billion. This model allows the company to link infrastructure investment with revenue growth, alongside offerings that include internally developed processing units. Peers such as Microsoft and Amazon follow a similar structure.

Defending Heavy Investments In AI

Meta’s approach differs due to the absence of a large cloud business. Investment is linked more directly to advertising performance and user engagement. During the earnings call, Zuckerberg referred to improvements in engagement and advertiser outcomes, alongside the rollout of products such as the Muse Spark model.

The Road Ahead

Meta’s share performance has trailed some peers, while its investment focus includes custom silicon developed with Broadcom and additional use of chips from AMD alongside systems based on Nvidia technology. These investments are tied to expanding AI infrastructure and supporting internal workloads. At the same time, Alphabet continues to scale its AI infrastructure, with Sundar Pichai noting increased demand for both GPU and TPU capacity during the latest earnings call. Market reactions reflect differences in how these approaches are evaluated, particularly in relation to revenue generation from cloud services and advertising models.

OpenAI Brings Unlimited Text Chats To Free ChatGPT Users

Unlimited Text Conversations Roll Out

OpenAI is removing limits on text-based conversations for all ChatGPT users, following the platform’s recent milestone of surpassing one billion weekly users.

The update introduces GPT-5.6 Luna as the default model for Free and Go users, replacing GPT-5.5.

New “Think” Button For More Complex Questions

Alongside unlimited text chats, Free and Go users will gain access to a new “Think” button, allowing them to use additional reasoning power for more complex queries.

OpenAI noted that separate usage limits will continue to apply to file uploads, image generation, voice features and other multimodal tools.

Faster Responses For Paid Subscribers

The update also brings improvements for ChatGPT Plus and Pro subscribers. They will receive access to GPT-5.6 Sol, an upgraded model designed for everyday tasks such as web research, planning, writing, decision-making and answering questions. According to OpenAI, the model delivers shorter, more robust responses.

The company noted that this version is separate from the GPT-5.6 Sol model used in Codex and Work, which remains unchanged. Plus and Pro subscribers will also receive a new thinking slider, allowing them to adjust how much reasoning the model applies before generating an answer, depending on the complexity of the task.

OpenAI Reports Fewer Errors

According to OpenAI’s internal testing, GPT-5.6 Luna produces 62% fewer factual errors than GPT-5.5 Instant, while GPT-5.6 Sol reduces factual errors by 68%.

The updated GPT-5.6 Sol model is available to Plus and Pro users starting today. The remaining features for Free and Go users will roll out throughout the week, with unlimited text chats and the new Think button becoming available next week.

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