Security researchers used GPT-5.4 and Claude Opus 4.6 in an open-source harness to reproduce Anthropic's Mythos vulnerability ...
Coding is not the only area where Opus 4.7 performs better than the company’s earlier models. According to Anthropic, it’s ...
3d
Anthropic releases Claude Opus 4.7, narrowly retaking lead for most powerful generally available LLM
Opus 4.7 utilizes an updated tokenizer that improves text processing efficiency, though it can increase the token count of ...
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