Claude Opus 4.6
…Footnotes [1] The 1M token context window is currently available in beta on the Claude Developer Platform only. [2] Run independently by Artificial Analysis. See here for full methodological details. [3] This…
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Eval awareness in Claude Opus 4.6’s BrowseComp performance
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…
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Demystifying evals for AI agents
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Vibe physics: The AI grad student
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Donating our open-source alignment tool
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Labor market impacts of AI: A new measure and early evidence
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