BenchLeader

Deepseek v4 Pro vs GLM 5.3

Verdict
  • Deepseek v4 Pro (high) and GLM 5.3 (max) are level on quality (60.4 vs 60.0).
  • Deepseek v4 Pro (high) is stronger in maths.
  • GLM 5.3 (max) is stronger in coding, human preference, reasoning, agents & tools, knowledge.
MetricDeepseek v4 Pro (high)GLM 5.3 (max)
BenchLeader Index60.460.0
Coding score59.364.3
Human preference score66.068.9
Maths score66.260.0
Reasoning score65.966.9
Agents & tools score52.8
Knowledge score55.8
Blended price $/M$2.15
Output speed66 tok/s
Time to first answer33.5 s
Context window1M
GPQA Diamond90.9%90.9%
FrontierMath Tiers 1–368.8%
FrontierMath Tier 429.3%
OTIS Mock AIME95.6%91.1%
SimpleQA Verified41.0%
Terminal-Bench41.8%
SciCode46.4%56.5%
WeirdML46.5%75.4%
ProofBench49.0%
LMArena Text14621486
LMArena Hard Prompts14821509
LMArena Coding15051526
LMArena WebDev15811614
LMArena Agent2.6
LiveCodeBench80.5%
MMLU-Pro86.8%
IOI68.4%
LegalBench84.8%
TaxEval72.4%
Terminal-Bench 2.1 (Vals)71.5%
SWE-bench (Vals)95.4%
GPQA Diamond (Vals)88.1%
Vals Index57.0

Data as of 2026-09-13. Best configuration of each model; every score links to its source on the model pages.

Deepseek v4 Pro vs GLM 5.3: questions

Is Deepseek v4 Pro better than GLM 5.3?
Deepseek v4 Pro (high) and GLM 5.3 (max) are level on quality (60.4 vs 60.0). The BenchLeader Index combines every independent quality benchmark; Deepseek v4 Pro (high) is ahead overall as of 2026-09-13, but check the category scores for your use.
Is Deepseek v4 Pro better than GLM 5.3 for coding?
GLM 5.3 scores higher in coding (64 vs 59 on the category index, where 50 is average).