OpenAI’s Videos API and the Sora 2 and Sora 2 Pro model endpoints stopped working on September 24, the shutdown date the company committed to when it first notified developers of the deprecation on March 24, exactly six months earlier. Requests to the affected endpoints began failing on schedule, and developers who had built products on the Sora API had the full notice window to migrate or export their work.
Why it matters to enterprise AI buyers
Model and API deprecations are routine in a market shipping new releases every few weeks, but how a vendor handles a shutdown, the length of notice given and whether that notice is honored to the day, is a more useful signal about vendor reliability than any benchmark score. OpenAI’s own deprecations page is a public, dated record: a company that commits to a specific shutdown date six months out and holds to it is giving enterprise customers something concrete to build contractual expectations around. For any enterprise building production workflows on a model API, whether OpenAI’s or a competitor’s, this is a reasonable diligence question to raise directly with the vendor: what is the standard deprecation notice period in writing, and is there a public, dated deprecations page a customer can check independently rather than relying on account-team assurances.
Source: OpenAI API Deprecations
