The GPT-5.3 and 5.4 models represent a different approach, hinting at a major change in how major AI firms build their tech.
The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).
OpenAI is shutting down its Sora video generation app. "We're saying goodbye to Sora," the company wrote in a X post ...
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