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OpenAI Unveils GPT-5.3 Codex: A Paradigm Shift In Agentic Coding

Revolutionizing Developer Productivity

OpenAI has taken a significant step forward in agentic coding with the introduction of GPT-5.3 Codex, a model designed to expand far beyond traditional code writing and review. The new version positions Codex as a broader digital assistant capable of handling a wide range of computer-based tasks, helping developers streamline workflows and improve overall productivity.

Strategic Enhancements And Breakthrough Performance

According to OpenAI, GPT-5.3 Codex operates approximately 25% faster than GPT-5.2. The company attributes this improvement to internal testing methods in which earlier model versions were used to refine and debug subsequent iterations. This feedback loop has resulted in more stable performance and greater reliability, enabling the system to support the creation of complex applications and interactive projects within significantly shorter development cycles.

Competitive Dynamics In The AI Landscape

The release follows closely behind a similar announcement from competitor Anthropic, which accelerated its coding tool debut by 15 minutes in a tightly contested launch schedule. This strategic maneuver underscores the intensifying race among leading AI firms to redefine the capabilities of agentic coding.

Implications For The Future Of Software Development

With GPT-5.3 Codex, Codex evolves from a coding helper into a more comprehensive digital agent that can coordinate tasks, manage development steps, and assist across multiple stages of software creation. This shift signals a broader transformation in how digital tools support programmers. Beyond efficiency gains, the technology may also lower technical barriers, giving more professionals access to advanced development capabilities and accelerating innovation across industries.

Paramount Closes $110 Billion Warner Bros. Discovery Deal, Creating Skydance Entertainment Giant

Paramount has completed its $110 billion acquisition of Warner Bros. Discovery, bringing together two of the most powerful names in media under a new combined company, Skydance. The deal, announced Tuesday, creates one of the largest entertainment mergers ever completed and reshapes the competitive landscape across streaming, film, television and cable.

A New Power Center In Global Entertainment

The combined company unites Paramount+ and HBO Max, alongside a broad portfolio of networks that includes CBS, CNN, MTV, TBS, Comedy Central and Food Network. It also gives Skydance control over some of the industry’s most valuable franchises, including The Lord of the Rings, Game of Thrones, the DC Universe and Yellowstone.

For the industry, the scale of the transaction is as significant as the assets themselves. In an era defined by streaming competition and rising content costs, ownership of established intellectual property has become a strategic advantage akin to controlling a premium distribution network in a previous media cycle.

Ellison Expands His Influence

The merger places one of the world’s largest entertainment studios under the control of David Ellison, who only last year completed the combination of Skydance Media and Paramount. With this latest transaction, Ellison is accelerating his rise as one of Hollywood’s most influential executives.

The Ellison family remains Skydance’s largest shareholder, backed by the financial power of Larry Ellison, the Oracle co-founder and David Ellison’s father. That support gives the company considerable flexibility as it integrates two sprawling media businesses and seeks to compete more aggressively across platforms.

Legal Hurdles Cleared Before Closing

The deal’s completion follows settlements with a coalition of U.S. states and a Hollywood writers’ union, removing the principal legal obstacles that had threatened to delay or derail the merger.

Paramount first announced in February that it would pursue Warner Bros. Discovery after a bidding contest with Netflix, which had earlier struck its own agreement to acquire Warner Bros.’ film and television studios and streaming operations, excluding the cable networks. Paramount strengthened its offer by promising shareholders additional cash if the deal failed to close by a set deadline and by agreeing to cover the breakup fee owed to Netflix.

What Skydance Says Comes Next

“Today is a historic day, not just for Skydance but for our entire industry,” Ellison said in a statement. “From the start, our ambition was to bring these two storied studios together and create a stronger competitor, with the talent, resources, and reach to tell great stories in every genre, on every platform, for audiences everywhere. Our focus now turns to the future: building a company that empowers creatives, entertains audiences and rewards shareholders. We couldn’t be more excited to get to work.”

Skydance said the combined company will generate nearly $70 billion in annual revenue. The company’s Class B shares are set to begin trading on the New York Stock Exchange today under the ticker symbol SKYD.

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