GPT-5.5 Released Only Three Weeks Ago, 5.6 Already in Internal Testing! OpenAI and Anthropic's Subsidy Battle Begins on the Same Day, Developers Benefit
OpenAI's GPT-5.6 development is progressing rapidly, with initial internal checkpoints now being tested and expected to launch next month. Codex logs show GPT-5.6 calls, suggesting secret testing; internal codename remains undisclosed.....
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