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AI news on March 5, 2026 · Thursday

19 stories — deduplicated across sources, ranked by significance, every source cited.
★ Top story · ModelsMar 5

Introducing GPT-5.4

Introducing GPT-5.4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context.

ModelsGPT-5.4

Introducing the Adoption news channel

Models·OpenAI Blog·Mar 5
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GPT-5.4 Thinking System Card

Models·OpenAI Blog·Mar 5
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ModelsGPT-5.4