GPT-5.4 mini is now generally available for GitHub Copilot

GPT-5.4 mini is now generally available for GitHub Copilot The GitHub Blog

Early report Major update Updated Mar 17, 2026, 5:22 PM UTC

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Another report from Auto search: model sharpened the story 3h ago.

First seen Mar 17, 2026, 5:22 PM UTC Latest source Mar 17, 2026, 5:22 PM UTC

Update 1 3h ago

Auto search: model •published Mar 17, 2026, 5:22 PM UTC •fetched Mar 17, 2026, 7:52 PM UTC