The author benchmarked Claude’s Opus models against Qwen 3.8 Flash Next on an M5Max 128 GB MacBook Pro, reporting that Opus Medium finished 14 of 15 tests in 13 minutes while Opus Xhigh cleared all 15 tests in 29 minutes. They noted that Qwen 3.8 accessed through Opencode now feels markedly closer to Claude than the previous 3.6 release.