OPENAI : GPT-5.5 and a bunch of internal model names have been spotted on Codex recently, and this normally signals that OpenAI is preparing to release a new model. – oai-2.1
– arcanine
– glacier-alpha
– glacier-alpha-block-cy4
– glacier-alpha-block-cy3 Soon h/t
@testingcatalog — 2026-04-22
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