BenchLeader

GLM 5.3 vs Qwen3 8

Verdict
  • Qwen3 8 (max) leads on quality: 62.6 vs 60.0.
  • GLM 5.3 (max) is stronger in human preference.
  • Qwen3 8 (max) is stronger in agents & tools, coding, knowledge, maths, reasoning, composite, long context, multimodal.
  • GLM 5.3 (max) is 1.2× cheaper ($2.15 vs $2.67 per 1M blended).
  • GLM 5.3 (max) streams 1.7× faster (66 vs 40 tokens per second).
MetricGLM 5.3 (max)Qwen3 8 (max)
BenchLeader Index60.062.6
Agents & tools score52.856.0
Coding score64.366.5
Human preference score68.968.4
Knowledge score55.861.4
Maths score60.062.4
Reasoning score66.968.3
Composite score67.5
Long context score63.1
Multimodal score66.8
Blended price $/M$2.15$2.67
Output speed66 tok/s40 tok/s
Time to first answer33.5 s53.0 s
Context window1M1M
GPQA Diamond90.9%
FrontierMath Tiers 1–368.8%
FrontierMath Tier 429.3%
OTIS Mock AIME91.1%
SimpleQA Verified41.0%
Terminal-Bench41.8%
SciCode56.5%52.9%
WeirdML75.4%
ProofBench49.0%58.0%
Epoch Capabilities Index156.6
LMArena Text14861481
LMArena Hard Prompts15091504
LMArena Coding15261522
LMArena WebDev16141671
LMArena Vision1313
LMArena Agent2.64
LiveBench78.5%
LiveBench Reasoning88.2%
LiveBench Coding72.9%
LiveBench Agentic Coding64.7%
LiveBench Mathematics91.3%
LiveBench Data Analysis78.4%
LiveBench Language79.7%
AA Intelligence Index40.3
AA-LCR78.3%
MMMU-Pro82.3%
AA-Omniscience3.4
GPQA Diamond (AA)92.7%
Humanity's Last Exam (AA)43.0%
SciCode (AA)53.2%
LiveCodeBench80.5%87.8%
MMLU-Pro86.8%88.6%
IOI68.4%68.9%
LegalBench84.8%83.6%
CorpFin65.8%
TaxEval72.4%75.5%
Terminal-Bench 2.1 (Vals)71.5%67.4%
SWE-bench (Vals)95.4%85.6%
GPQA Diamond (Vals)88.1%93.7%
Vals Index57.051.8

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

GLM 5.3 vs Qwen3 8: questions

Is GLM 5.3 better than Qwen3 8?
Qwen3 8 (max) leads on quality: 62.6 vs 60.0. The BenchLeader Index combines every independent quality benchmark; Qwen3 8 (max) is ahead overall as of 2026-09-13, but check the category scores for your use.
Is GLM 5.3 better than Qwen3 8 for coding?
Qwen3 8 scores higher in coding (67 vs 64 on the category index, where 50 is average).
Is GLM 5.3 better than Qwen3 8 for agentic tasks?
Qwen3 8 scores higher in agentic tasks (56 vs 53 on the category index, where 50 is average).
Which is cheaper, GLM 5.3 or Qwen3 8?
GLM 5.3 is cheaper: $2.15 against $2.67 per million tokens, blended at three input tokens per output token.
Which is faster, GLM 5.3 or Qwen3 8?
GLM 5.3 streams faster: 66 against 40 output tokens per second.
Which has the larger context window?
Both accept 1M tokens of context.