BenchLeader

GLM-5.2 vs Qwen3.8-Flash-Next

Verdict
  • GLM-5.2 (max) leads on quality: 63.9 vs 61.6.
  • GLM-5.2 (max) is stronger in composite, human preference, instruction following, maths, reasoning.
  • Qwen3.8-Flash-Next is stronger in agents & tools, coding, knowledge, long context, multimodal.
  • Qwen3.8-Flash-Next is 9.3× cheaper ($0.230 vs $2.15 per 1M blended).
MetricGLM-5.2 (max)Qwen3.8-Flash-Next
BenchLeader Index63.961.6
Agents & tools score63.865.8
Coding score63.871.2
Composite score72.167.4
Human preference score67.2
Instruction following score71.6
Knowledge score55.559.6
Long context score65.666.3
Maths score59.0
Reasoning score72.963.4
Multimodal score64.3
Blended price $/M$2.15$0.230
Output speed71 tok/s55 tok/s
Time to first answer31.6 s39.0 s
Context window1M256k
GPQA Diamond91.9%
FrontierMath Tiers 1–359.2%
FrontierMath Tier 429.3%
OTIS Mock AIME86.4%
SWE-bench Verified (Epoch)78.7%
SimpleQA Verified34.2%
SciCode50.5%
WeirdML70.1%
ProofBench35.0%
LMArena Text1472
LMArena Hard Prompts1493
LMArena Coding1510
LMArena WebDev15921635
LMArena Agent4.4-0.1
LiveBench76.2%
LiveBench Reasoning87.4%
LiveBench Coding72.5%
LiveBench Agentic Coding61.6%
LiveBench Mathematics85.8%
LiveBench Data Analysis74.2%
LiveBench Language74.6%
LiveBench Instruction Following77.1%
AA Intelligence Index34.039.9
IFBench73.3%
AA-LCR78.3%79.7%
MMMU-Pro79.8%
AA-Omniscience4.4-9.7
Terminal-Bench Hard50.8%
GPQA Diamond (AA)89.5%92.3%
Humanity's Last Exam (AA)41.1%38.0%
SciCode (AA)51.2%50.6%
τ²-Bench Telecom (AA)99.1%
Terminal-Bench 2.1 (Vals)67.8%
SWE-bench (Vals)82.8%
CritPt20.9%11.1%
GDPval (AA)45.3%57.4%
τ²-Bench Banking (AA)34.6%45.4%
ITBench SRE (AA)42.7%
APEX-Agents (AA)33.7%
Code Migration37.9%
Harvey's Legal Agent Benchmark7.1%
Legal Research Bench31.3%
ProgramBench0.5%
SkillsBench45.1%
SREBench0.0%
Vibe Code Bench v1.164.0%
LMArena Maths1480
LMArena Creative Writing1451
LMArena Instruction Following1466
LMArena Multi-turn1469
LMArena Longer Queries1483
Chess Puzzles21.0%
EBR-bench9.5%
PostTrainBench31.7%
DeepSWE43.8%
LMCA45.8%
DTBench93.6%
CursorBench55.0%
ALE-Bench1010.2

Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.

GLM-5.2 vs Qwen3.8-Flash-Next: questions

Is GLM-5.2 better than Qwen3.8-Flash-Next?
GLM-5.2 (max) leads on quality: 63.9 vs 61.6. The BenchLeader Index combines every independent quality benchmark; GLM-5.2 (max) is ahead overall as of 2026-09-19, but check the category scores for your use.
Is GLM-5.2 better than Qwen3.8-Flash-Next for coding?
Qwen3.8-Flash-Next scores higher in coding (71 vs 64 on the category index, where 50 is average).
Is GLM-5.2 better than Qwen3.8-Flash-Next for agentic tasks?
Qwen3.8-Flash-Next scores higher in agentic tasks (66 vs 64 on the category index, where 50 is average).
Which is cheaper, GLM-5.2 or Qwen3.8-Flash-Next?
Qwen3.8-Flash-Next is cheaper: $0.230 against $2.15 per million tokens, blended at three input tokens per output token.
Which is faster, GLM-5.2 or Qwen3.8-Flash-Next?
GLM-5.2 streams faster: 71 against 55 output tokens per second.
Which has the larger context window?
GLM-5.2 accepts more context: 1M against 256k tokens.