Claude Mythos can exploit decades-old vulnerabilities, but Anthropic is keeping it locked down
… Everything Anthropic has said, so far Claude Mythos Preview is a substantial jump from its preceding models, and the benchmarks attest to that fact. …
… Everything Anthropic has said, so far Claude Mythos Preview is a substantial jump from its preceding models, and the benchmarks attest to that fact. …
… In April 2026 benchmarks, Claude Code using Opus 4.6 with web search tied for top accuracy at 97% on factual research tasks, outperforming specialized deep research models. …
… Benchmark-wise, Opus 4.7 beats Opus 4.6 on 12 of 14 reported benchmarks. …
… On benchmarks like SWE-bench Verified, o3-powered agents have demonstrated competitive or superior performance, especially on tasks requiring extended reasoning and planning across multiple files. …
…In his X post, Cherny shared that Opus 4.7 "loves doing complex, long-running tasks." He shared that it iterates until it hits a performance benchmark, and while that's great…
… I've already talked about how there's more to models than these benchmarks , but that's still an incredibly impressive result. …
… When Opus 4.7 dropped , I pretty much skimmed past it because every headline was pointing at developers - Cursor's benchmarks, Rakuten's pipeline numbers, SWE-bench scores going from 80.8 to 87.6 percent, and so on. …
… After all, you could verify that Opus 4.6, for example, was performing more or less the same on independent benchmarks that were run every single day . …
…My Bachelor’s thesis was conducted on the viability of benchmarking the non-functional elements of Android apps and smartphones such as performance, and I’ve been working in the tech industry…