Why OpenAI Shipped GPT-5.5 Just 6 Weeks After 5.4
9h ago · 8 min read · Six weeks. That's the gap between GPT-5.4 and GPT-5.5 (codename Spud, per Axios). Until this year, frontier labs measured release cycles in quarters, not weeks. GPT-5.5 is OpenAI's latest flagship language model, codenamed Spud, released April 23, 20...
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