Opus 5.5 costs roughly 2x more than Sonnet 5.5 - but the cheaper model still came out ahead in four of seven real-world tests. The real question isn’t which Claude model is “best,” but when paying extra actually improves the result. Pasted markdown

We’ll talk about:

• Sonnet vs. Opus in Real Workflows: Websites, dashboards, spreadsheets, motion design, planning, and documents tested with the same prompts.
• Where Opus Earns the Premium: Creative direction, vague goals, and tasks where the model needs to decide what “good” should look like. Pasted markdown
• Where Sonnet Is Enough: Clear specs, reusable skills, repeatable workflows, and outputs that are easy to check.
• The Cost Surprise: Opus used far more time an ...