…Across model generations, though, the habit became hard to miss: the goblins kept multiplying." The goblin love was noticeable with ChatGPT-5.1 and newer models. OpenAI reports that after the launch…
…We stated that we would keep Claude Mythos Preview’s release limited and test new cyber safeguards on less capable models first. Opus 4.7 is the first such model: its cyber…
…OpenAI says the problem continued to worsen with subsequent model releases, until it found that its reinforcement training rewarded the quirky metaphors with the Nerdy personality, which newer models were training on…
…Anthropic’s Mythos, the AI model that was so powerful at finding cybersecurity vulnerabilities that the company, whose reputation hinges on acting more responsibly than its competitors, refused to release it to…
Anthropic to release Mythos-class models to the public
Anthropic to release Mythos-class models to the public
I co-founded a successful security company close to the Mythos ecosystem and have spoken with participants in the know and I am deeply concerned. We, collectively, have answers for some but not all of the problems ahead …
…released updates across both older and current versions of iOS and iPadOS to address the vulnerabilities. Additionally, the decision comes just a day after Anthropic announced that its new model, Mythos , is…
…OpenAI upgrades ChatGPT with GPT-5.4 Thinking, offering six key improvements OpenAI releases GPT-5.4 mini and nano, its ‘most capable small models yet’ OpenAI says to update Mac apps…
…developing a process to evaluate AI models for security before their release. This is partly in response to concerns from the release of Anthropic’s Mythos and OpenAI’s GPT-5.5…
…The government sought to evaluate models up to 90 days prior to release, while AI labs pushed for a much shorter timeline of only 14 days. The EO’s goal, the NYT…
…Unlike many of Anthropic's other AI models, Mythos is not being given a general public release. The company has claimed that it fears the model — which is designed to scan codebases…
…We also release an interactive frontend for exploring NLAs on several open models through a collaboration with Neuronpedia . We have also released our code for other researchers to build on. What is…
