AHEAD OF PRINT

The week ahead, reported from the odds

Printed Monday, 21 September 2026
Edition of Monday, 28 September 2026

Proof · plate 1 of 1 · pulled Mon 21 Sept · not a record of events

Ahead of Print Not yet happened. These stories settle within seven days — by Monday, 28 September 2026.

Science

OpenAI shut Sora/Videos API after September 24

NVidia acquired over 1% of OpenAI and Codex usage limits were reset.

61% certain
lead market 61%next 39%1 venuesettles Sun 27 Sept5 markets behind this

OpenAI discontinued the Sora/Videos API after September 24, ending Public access to its video generation service. On the same week the company reset the weekly usage limit for its Codex programming model. Nvidia's stake in OpenAI's Public-Benefit corporation rose above one percent by the end of 2026. The leading AI model on September 21 was identified as claude-fable-5.1-max, while the name OpenAI was absent from the first Joe Rogan Experience of that week.

The decision to end the Sora/Videos API was confirmed on Friday, September 25. The service, which had allowed developers to generate video content, ceased to be available after September 24. Users were left without a replacement for the functionality.

OpenAI announced a reset of the weekly usage limit for Codex by September 24. The reset was implemented to address prior constraints. The change took effect as scheduled.

Nvidia's ownership share in OpenAI's Public-Benefit corporation exceeded one percent by the end of 2026.

On Monday, September 21, the model claude-fable-5.1-max was recognized as the best performing AI system. Later, the name OpenAI did not appear in the opening segment of the first Joe Rogan Experience of the week, as confirmed on Sunday, September 27. The absence highlighted an unusual media silence.

Analysis

Shutting the Sora/Videos API suggests OpenAI is pulling back from its video generation offering, which could reshape the tools available to developers and signal a strategic refocus toward other product lines.

Nvidia crossing a one-percent ownership threshold introduces a modest external stakeholder in OpenAI's Public-Benefit corporation, potentially affecting future partnership dynamics without granting decisive control.

The omission of OpenAI's name from a high-profile podcast and the prominence of a competing model underscore a period of low Public visibility, adding to the perception of turbulence while leaving the company's next communication strategy uncertain.

What this was built from

Each claim above traces to a market below, at the price it was trading when this edition went to press.

Best AI model on September 21?: claude-fable-5.1-max, 94% settles Monday, 21 September 2026 · polymarket · see the market
Will OpenAI keep the Sora/Videos API available past September 24, 2026?: No, 91% settles Friday, 25 September 2026 · manifold · see the market
Will NVDA own >1% of OpenAI's Public Benefit Corp at EOY 2026?: Yes, 70% settles Wednesday, 23 September 2026 · manifold · see the market
Will OpenAI reset Codex weekly usage limit by September 24?: Yes, 89% settles Friday, 25 September 2026 · polymarket · see the market
Will "OpenAI" be said during the first Joe Rogan Experience of the week of September 21?: No, 61% settles Sunday, 27 September 2026 · polymarket · see the market
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