Engineering at Anthropic Eval awareness in Claude Opus 4.6’s BrowseComp performance BrowseComp is an evaluation designed to test how well models can find hard-to-locate information on the web…
…Because I'd asked the planner to weave AI features into its specs, the app also came with a built-in Claude integration that let me generate different parts of the game…
…Routing easy/common questions to smaller, cost-efficient models like Claude Haiku 4.5 and hard/unusual questions to more capable models like Claude Sonnet 4.5 to optimize for best performance…
…Claude not available”), we do not operate in the Ukrainian regions Crimea, Donetsk, Kherson, Luhansk, and Zaporizhzhia. In accordance with international sanctions and our commitment to supporting Ukraine’s territorial integrity, our…
Engineering at Anthropic Claude Code auto mode: a safer way to skip permissions By default, Claude Code asks users for approval before running commands or modifying files. This keeps users safe, but…
…Footnotes Related content Teaching Claude why New research on how we've reduced agentic misalignment. Natural Language Autoencoders: Turning Claude’s thoughts into text AI models like Claude talk in words but…
…Turning Claude’s thoughts into text AI models like Claude talk in words but think in numbers. In this study we train Claude to translate its thoughts into human-readable text. Donating…
…For example, Claude Code is a flexible agent harness, and we used its core primitives through the Agent SDK to build our long-running agent harness . An evaluation suite is a collection…