Announcement
Claude Sonnet 5.5 debuts with claimed speed and cost gains
Anthropic says its new model runs more than 30% faster than Sonnet 5 and costs up to 30% less for most work. Arena ranks its High variant fourth in Code Arena: WebDev.
TLDR
Anthropic introduced Claude Sonnet 5.5 as the second model in its Claude 5.5 family, claiming it runs more than 30% faster than Sonnet 5 and costs up to 30% less for most work. Arena says the High variant scored 1,699 points in Code Arena: WebDev, placing fourth and gaining 159 points over Sonnet 5 (High).
Combined views
24.4K
2 Sources, first seen 2h ago
