BenchLeader

GLM-5.2 vs Grok 4.6

Verdict
  • Grok 4.6 (medium) leads on quality: 66.2 vs 63.9.
  • GLM-5.2 (max) is stronger in human preference, instruction following, maths, reasoning.
  • Grok 4.6 (medium) is stronger in agents & tools, coding, composite, knowledge, long context.
  • GLM-5.2 (max) is 1.4× cheaper ($2.15 vs $3.00 per 1M blended).
MetricGLM-5.2 (max)Grok 4.6 (medium)
BenchLeader Index63.966.2
Agents & tools score63.873.3
Coding score63.864.1
Composite score72.183.6
Human preference score67.2
Instruction following score71.6
Knowledge score55.577.6
Long context score65.667.0
Maths score59.0
Reasoning score72.967.7
Blended price $/M$2.15$3.00
Output speed71 tok/s57 tok/s
Time to first answer31.6 s34.1 s
Context window1M500k
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%54.6%
WeirdML70.1%
ProofBench35.0%
LMArena Text1472
LMArena Hard Prompts1493
LMArena Coding1510
LMArena WebDev1592
LMArena Agent4.4
AA Intelligence Index34.043.0
IFBench73.3%
AA-LCR78.3%81.0%
AA-Omniscience4.428
Terminal-Bench Hard50.8%
GPQA Diamond (AA)89.5%93.5%
Humanity's Last Exam (AA)41.1%42.1%
SciCode (AA)51.2%55.9%
τ²-Bench Telecom (AA)99.1%
Terminal-Bench 2.1 (Vals)67.8%
SWE-bench (Vals)82.8%
ARC-AGI-187.5%
ARC-AGI-261.3%
CritPt20.9%17.7%
GDPval (AA)45.3%57.1%
τ²-Bench Banking (AA)34.6%44.3%
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%67.5%
LMCA45.8%
DTBench93.6%
CursorBench55.0%67.1%
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 Grok 4.6: questions

Is GLM-5.2 better than Grok 4.6?
Grok 4.6 (medium) leads on quality: 66.2 vs 63.9. The BenchLeader Index combines every independent quality benchmark; Grok 4.6 (medium) is ahead overall as of 2026-09-19, but check the category scores for your use.
Is GLM-5.2 better than Grok 4.6 for coding?
Grok 4.6 scores higher in coding (64 vs 64 on the category index, where 50 is average).
Is GLM-5.2 better than Grok 4.6 for agentic tasks?
Grok 4.6 scores higher in agentic tasks (73 vs 64 on the category index, where 50 is average).
Which is cheaper, GLM-5.2 or Grok 4.6?
GLM-5.2 is cheaper: $2.15 against $3.00 per million tokens, blended at three input tokens per output token.
Which is faster, GLM-5.2 or Grok 4.6?
GLM-5.2 streams faster: 71 against 57 output tokens per second.
Which has the larger context window?
GLM-5.2 accepts more context: 1M against 500k tokens.