… This compounded: if you sent a follow-up message while Claude was in the middle of a tool use, that started a new turn under the broken flag, so even the reasoning from the current turn was dropped. …
… Yet their overall MITRE profile—30 techniques across 13 tactics—is comparable to dozens of medium -risk actors in this dataset. …
… 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 our capacity in the near term. …
… Related content Anthropic forms $200 million partnership with the Gates Foundation 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 our capacity in the near term. …
… Please see the Claude Opus 4.5 system card for full details. 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 our capacity in the near term. …
… In Claude Code : The new /ultrareview slash command produces a dedicated review session that reads through changes and flags bugs and design issues that a careful reviewer would catch. We’re giving Pro and Max Claude Code users three free ultrareviews to try it out. …
… Evaluating Claude Fable 5 and Claude Mythos 5 The table below compares the capabilities of Fable 5 and Mythos 5 to other leading models. Fable 5 and Mythos 5 can work autonomously for longer than any previous Claude models. …
… Most beneficial when: Processing large datasets where you only need aggregates or summaries Running multi-step workflows with three or more dependent tool calls Filtering, sorting, or transforming tool results before Claude sees them Handling tasks where intermediate data shouldn't influence Claude… …
… Finally, Claude for Open Source supports maintainers and contributors, and we’re committing to scan any open-source package that we adopt ourselves in the future. …
… In truth, I have misgivings about whether human-readable prose is the right medium for science communication going forward. But that’s a different post. For the figures, Claude didn’t care a whit about font size, label placement, etc., so there was a lot of “move this label up a little” and so on. …