… The model, named "Claude Mythos Preview", is touted as the most capable model the company has ever developed, and it's also one that won't be available to the public. …
… Sign in to your XDA account Summary The AI race is heating up as companies release stronger models rapidly. Anthropic's Opus 4.7 boosts coding, handles long complex tasks, and self-verifies outputs. Available now: the most capable public model outside Mythos/Glasswing access. …
… Now, ChatGPT has revealed its own takes on Anthropic's releases, with GPT‑5.4‑Cyber as the model and an expanded Trusted Access for Cyber TAC as the framework. …
… The AI lab highlighted that the model is a "notable improvement on Opus 4.6 in advanced software engineering, with particular gains on the most difficult tasks." Despite being less capable than Mythos the model Anthropic decided is way too dangerous to release publicly right now , Opus 4.7 is still… …
… Where open-weight AI models come from is also dramatically different to where closed models originate, as most of the serious releases this year have come out of Chinese labs. Aside from OpenAI's gpt-oss models and Google's Gemma 4 models, there hasn't really been an answer. …