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It’s not about Anthropic vs. OpenAI anymore
The U.S. government is set to take an awful lot of control over which AI models get released. Two weeks after the U.S. government pulled Anthropic’s Fable and Mythos models, OpenAI’s new model seems to be headed for the same limbo. GPT 5.6 is released only into limited preview, with government approving releases customer by customer. This slows deployment and risks economic upside, forcing AI labs to rethink release processes under regulatory scrutiny. The U.S. government pulled Anthropic’s Fable and Mythos models from general release, limiting them to preview. OpenAI’s GPT 5.6 is being released only into limited preview with government approval 'customer by customer'.