Anthropic’s mid-tier model, Claude Sonnet 5.5, scored 1786 points on Code Arena’s WebDev leaderboard, placing just six points behind OpenAI’s GPT-6 Astra Max (1792 points) in second place. This result is particularly notable given that Sonnet 5.5 costs half the price of Claude Opus 5.5 Max, which leads the ranking with approximately 1820 points. On Terminal-Bench 4.0, Sonnet 5.5 even outperformed its larger sibling, achieving 70.6% compared to Opus 5.5’s 66.4%. The ranking is based on over 800,000 community votes and evaluates real-world web development tasks.
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