Topic
Tools
2 articles
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AgentsAnthropic Got 17% to 93% Without Touching the Model
On VirBench, Claude Sonnet 4 went from 16.9 to 92.8 percent on viral-sequence retrieval with no change to the model, just a deterministic tool underneath it. The reliability you keep trying to buy with a bigger model is sitting in the infrastructure.
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Anthropic
Claude Code ultraplan separates thinking from doing
1. Ultraplan moves planning out of the terminal and into a browser. You get inline comments, structured review, and the ability to keep coding while the plan builds itself in the cloud. It sounds minor. It changes how you work.