BREAKING 🚨: GPT-5.4 delivers a major improvement across coding, web search, and many other areas.

– SWE-Bench Pro – 57.7%
– OSWorld-Verified – 75.0%
– BrowseComp – 82.7%

Users can now interrupt the model and add instructions or adjust its direction mid-response.

GPT-5.4 is… https://t.co/vJNRakd1bN pic.twitter.com/Ap6jwBqcM7

— 🚨 AI News | TestingCatalog (@testingcatalog) 5 mars 2026

BREAKING : GPT-5.4 delivers a major improvement across coding, web search, and many other areas. – SWE-Bench Pro – 57.7%
– OSWorld-Verified – 75.0%
– BrowseComp – 82.7% Users can now interrupt the model and add instructions or adjust its direction mid-response. GPT-5.4 is

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