GPT-5.5 'Spud': Release Date, Features & What Developers Need to Know

OpenAI's next frontier model, internally codenamed 'Spud', completed pretraining on March 24, 2026 and is expected to launch before May 5. Here is everything confirmed, credibly leaked, and reasonably inferred about the model that may ship as GPT-5.5 or GPT-6.

Continue reading the full article on WowHow →

Originally published at https://wowhow.cloud/blogs/gpt-5-5-spud-openai-next-model-release-date-2026

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