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We asked the surveyed engineers and researchers to rate how often they used Claude for various types of coding tasks, such as “debugging” (using Claude to help fix errors in code), “code understanding” (having Claude explain existing code to help the human user understand the codebase), “refactoring” (using Claude to help restructure existing code), and “data science” (e.g. having Claude analyze datasets and make bar charts). Below are the most common daily tasks. Most employees (55%) used Claude for debugging on a daily basis. 42% used Claude everyday for code understanding, and 37% used Clau

Although engineers use Claude frequently, more than half said they can “fully delegate” only between 0-20% of their work to Claude. (It’s worth noting that there is variation in how respondents might interpret “fully delegate”—from tasks needing no verification at all to those that are reliable enough to require only light oversight.) When explaining why, engineers described working actively and iteratively with Claude, and validating its outputs—particularly for complex tasks or high-stakes areas where code quality standards are critical. This suggests that engineers tend to collaborate close