Why a model scoring 43% on DeepSWE beats one scoring 60%: reading the DeepSeek 1017, Muse Spark 816B, and Beam 501B benchmarks
Why does Reflection Beam 501B score 43.3% on DeepSWE v1.1 yet 81.6% on SWE-bench Verified at 327 tok/s and $0.23/task? We compare DeepSeek V4.1 Flash 1017, Meta Muse Spark 816B, Beam 501B, and GLM-5.3 across official model cards and Artificial Analysis v4.3.2 to help you pick the right model for your workflow.