Project Vend: Phase two
…This model could work for other bulk sourcing! 🧅📋 That was until another staffer stepped in to tell the models that this would fall afoul of a 1958 quirk of US law…
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Scaling Managed Agents: Decoupling the brain from the hands
…the concerns of recoverable context storage in the session and arbitrary context management in the harness because we can’t predict what specific context engineering will be required in future models. The…
A “diff” tool for AI: Finding behavioral differences in new models
…One particularly useful application would be to monitor models as they are updated. The sycophancy that emerged in OpenAI’s GPT-4o in April 2025 was a concerning behavioral change from a…
Introducing advanced tool use on the Claude Developer Platform
Engineering at Anthropic Introducing advanced tool use on the Claude Developer Platform The future of AI agents is one where models work seamlessly across hundreds or thousands of tools. An IDE assistant…
Anthropic Economic Index report: Economic primitives
…However, these estimates reflect current model capabilities, and all signs suggest that reliability over increasingly long-running tasks will improve. Tradeoffs in task acceleration Our estimates suggest that, in general, the more…
Labor market impacts of AI: A new measure and early evidence
…4 Why might actual usage fall short of theoretical capability? Some tasks that are theoretically possible may not show up in usage because of model limitations. Others may be slow to diffuse…
Assessing Claude Mythos Preview’s cybersecurity capabilities
Claude Mythos Preview is a new general-purpose language model that is strikingly capable at computer security tasks. This post provides technical details for researchers and practitioners who want to understand exactly…
How AI Is Transforming Work at Anthropic
…continue growing my own abilities rather than blindly accepting the model output. One reason that the atrophy of coding skills is concerning is the “paradox of supervision”—as mentioned above, effectively using…
The Long-Term Benefit Trust
…the LTBT to primarily concern itself with these long-range issues. For example, the LTBT can ensure that the organizational leadership is incentivized to carefully evaluate future models for catastrophic risks or…
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