At Box, we've been testing Sonnet 5.5 in early access on our complex work eval with the Box Agent, and Sonnet 5.5 is another strong jump from Sonnet 5 on knowledge work with enterprise content. Across the board we saw a 4 pt overall improvement on our hardest tests, but it was roughly 2.4× faster to a finished deliverable on 12% fewer tokens. We also saw major wins in key verticals, like a +18 percentage point improvement in Financial Services, +7 pt in Legal, +8 pt in Life Sciences, and +7 pt…

Claude@claudeai5h ago

Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work.