GLM-5.3 vs DeepSeek-V4-Pro

Benchmark comparison between GLM-5.3 and DeepSeek-V4-Pro — two open-weight flagships across 16 official evaluations in coding, cybersecurity and agent tasks, quoted from the Z.ai blog (2026-08-14).

Official GLM-5.3 comparison results published by Z.ai (2026-08-14)
BenchmarkGLM-5.3GLM-5.2Kimi K3DeepSeek-V4-ProQwen3.8-MaxOpus 4.8Fable 5GPT-5.6 Sol
Coding
Terminal-Bench 2.188.281.088.387.986.685.088.088.8
Terminal-Bench 3.028.34.617.4––21.133.734.6
DeepSWE v1.166.946.267.562.756.658.069.772.7
NL2Repo58.048.958.061.155.969.7––
ProgramBench (Almost Solved)19.09.517.5–10.515.533.023.0
FrontierSWE78.167.5–––66.588.2–
SWE-Marathon v1.142.519.448.1––48.833.142.5
PostTrainBench39.831.732.0––32.941.836.2
Cyber
CyberGym84.577.280.083.378.578.183.883.6
ExploitGym 2h / 6h105 / 13029 / 3936 / 70–14 / 2680 / 120181 / 247216 / 293
ExploitBench54.424.432.2–28.840.078.076.5
Agentic
Toolathlon Verified73.059.976.574.172.576.274.774.9
AutomationBench v1.0.648.226.246.743.239.841.046.245.8
Agents' Last Exam (ALE-CLI)28.523.827.625.727.025.723.828.6
HLE w/ Tools62.554.759.860.056.257.963.964.5
GDPval-AA v217691508168215901739158817431730

Source: Z.ai official blog (2026-08-14).