Opus 5.5 made job feed in 30 minutes

A developer used Opus 5.5 to create a job feed for HiringCafe in 30 minutes, successfully completing a task that previous models like Fable 5.1 and Astra could not achieve in a single attempt. The developer had been using a specific prompt to benchmark agent performance for months, and Opus 5.5 delivered an instant success, leading to praise for Anthropic.

This report highlights Opus 5.5's ability to complete a complex task in a single attempt, unlike earlier models that failed to meet the developer's specific requirements.