Claude Fable 5 and Claude Mythos 5
…to only a limited group of cyber defenders and critical software infrastructure providers. When we did so, we stated that we hoped to eventually release Mythos-level capabilities to all our users…
…to only a limited group of cyber defenders and critical software infrastructure providers. When we did so, we stated that we hoped to eventually release Mythos-level capabilities to all our users…
…Progress on software security used to be limited by how quickly we could find new vulnerabilities. Now it’s limited by how quickly we can verify, disclose, and patch the large numbers…
…Related content Higher usage limits for Claude and a compute deal with SpaceX We’ve raised Claude's usage limits and agreed a new compute partnership with SpaceX that will substantially increase…
…Related content Higher usage limits for Claude and a compute deal with SpaceX We’ve raised Claude's usage limits and agreed a new compute partnership with SpaceX that will substantially increase…
…Claude’s industry-leading financial capabilities: Claude 4 models outperform other frontier models as research agents across financial tasks in Vals AI's Finance Agent benchmark . When deployed by FundamentalLabs to build…
…As models improve and better methods address these limitations, we can re-estimate these time savings and identify how these capability improvements translate into broader economic impacts. We expect to track these…
…Hands-on experience may also reveal AI's limitations. Likely it’s a combination of these and other factors. Perceived capabilities and acceptance of AI at work We gave respondents a list…
Science Evaluating Claude’s bioinformatics research capabilities with BioMysteryBench Apr 29, 2026 In this post, Brianna , a researcher on the discovery team, shares results from a recent bioinformatics benchmarking effort. Almost as…
…Nevertheless, this does illustrate a limitation of AARs (at least at their current capabilities): AARs tend to capitalize on opportunities unique to the models and datasets they’re given, which means their…
Product Introducing Claude Sonnet 4.6 Feb 17, 2026 Claude Sonnet 4.6 is our most capable Sonnet model yet . It’s a full upgrade of the model’s skills across coding…