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OpenAI AMA: Reddit summary about new ChatGPT and GPT-5.6

OpenAI says Codex passed 5 million weekly users and doubled in three months. In its AMA, the team outlined GPT-5.6 model roles, agent use guidance, shared usage limits, app fixes, and current product tradeoffs.

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TestingCatalog AI News OpenAI AMA: Reddit summary about new ChatGPT and GPT-5.6 OpenAI’s Codex now serves over five million weekly users, with new guidance for GPT-5.6 models and workflow tips shared during a Reddit AMA.
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