Claude Sonnet 5.5 xhigh tops LLM coding leaderboard

x.com1 min read

An updated US versus China LLM leaderboard evaluates various models on private coding and bug-hunting evaluations. Claude Sonnet 5.5 on the xhigh reasoning setting leads overall coding performance, while other models like DeepSeek V4.1 Flash excel primarily in speed rather than top-tier score. Open article →