Inside the unseen operation to turbocharge Claude Code Anthropic is utilizing a project named “Marlin” through Snorkel AI, employing around 1,000 human software engineers to enhance its AI coding tool, Claude Code. These contractors are paid to create prompts and review code, aiming to improve the AI’s ability to produce professional-level, maintainable code. This trend reflects a broader industry shift towards specialized data labeling that requires deep field expertise.

• Anthropic’s Claude Code AI is being improved through a project called “Marlin,” managed by Snorkel AI.
• About 1,000 human software engineers act as contractors, reviewing and prompting AI-generated code.
• Contractors are paid up to $280 per task, which typically takes an hour, to ensure code quality, security, and maintainability.
• The project involves A/B testing code outputs from different models to select the preferred, more efficient versions.
• This specialized data work highlights a growing trend in AI development, moving from general tasks to expert-level input.
• Companies like Snorkel AI, Scale AI, and Mercor are facilitating this by hiring professionals with advanced degrees or equivalent experience. Continue reading https://www.businessinsider.com/anthropic-improve-claude-code-snorkel-data-training-contractors-2026-6