OpenAI Has New AI Models. Here’s Why You Can’t Use Them
… The mandate included a carve-out, saying the US government would not turn its voluntary process into a de facto licensing regime for AI model releases. …
… The mandate included a carve-out, saying the US government would not turn its voluntary process into a de facto licensing regime for AI model releases. …
… The new model has 128 billion parameters a measure of the model’s size and complexity , making it roughly equivalent to the largest version of OpenAI’s GPT-OSS, though the company claims it outperforms GPT-OSS and other models across several benchmarks. …
… These requests will instead be rerouted to an older AI model, Claude Opus 4.8. If Anthropic suspects a user is trying to conduct distillation—training a smaller AI model off a larger AI model’s responses—on Claude Fable 5, those requests will also be rerouted to Claude Opus 4.8, the company says. …
… Please check back for updates.
… Microsoft counts the number of distinct updates somewhat differently than security firms that track the releases. …
… Despite Anthropic’s efforts to control who can use Mythos Preview, a group of Discord users gained access to the tool through some straightforward relatively detective work: They examined data from a recent breach of Mercor, an AI training startup that works with developers, and “made an educated g… …
… In its GPT-5.5-Cyber announcement, for example, OpenAI points out that the model scores 85.6 percent on the benchmark assessment known as CyberGym, an improvement from a previous version of GPT-5.5-Cyber. …
… This is the latest model, updated in 2025 to an A16 chip and 6 GB of RAM. …
… And then there's the ick factor that Anthropic will almost certainly benefit financially from positioning its latest model as mysterious, uniquely powerful, and exclusive. …
… Preorders for one model, called Berlin, start on May 19. …