BenchLeader

GLM 5.2 vs Kimi K3

Verdict
  • Kimi K3 leads on quality: 65.7 vs 57.7.
  • GLM 5.2 (max) is stronger in reasoning.
  • Kimi K3 is stronger in agents & tools, coding, human preference, knowledge, maths, composite, long context, multimodal.
  • GLM 5.2 (max) is 2.8× cheaper ($2.15 vs $6.00 per 1M blended).
  • GLM 5.2 (max) streams 2.0× faster (75 vs 37 tokens per second).
MetricGLM 5.2 (max)Kimi K3
BenchLeader Index57.765.7
Agents & tools score56.967.4
Coding score63.865.0
Human preference score67.371.2
Knowledge score44.866.8
Maths score55.878.1
Reasoning score66.8
Composite score70.6
Long context score69.2
Multimodal score64.0
Blended price $/M$2.15$6.00
Output speed75 tok/s37 tok/s
Time to first answer34.2 s57.9 s
Context window1M1.0M
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%58.7%
WeirdML70.1%
APEX-Agents39.3%
FrontierCode44.2%
ProofBench35.0%87.0%
Epoch Capabilities Index157.6
LMArena Text1472
LMArena Hard Prompts1493
LMArena Coding1510
LMArena WebDev1592
LMArena Agent4.6
LiveBench79.2%
LiveBench Reasoning90.7%
LiveBench Coding81.5%
LiveBench Agentic Coding62.2%
LiveBench Mathematics84.4%
LiveBench Data Analysis78.7%
LiveBench Language85.5%
AA Intelligence Index43.8
AA-LCR88.7%
MMMU-Pro80.5%
AA-Omniscience19.7
GPQA Diamond (AA)93.5%
Humanity's Last Exam (AA)46.9%
SciCode (AA)59.5%
LegalBench86.0%
CorpFin71.6%
TaxEval75.7%
Terminal-Bench 2.1 (Vals)67.8%80.9%
SWE-bench (Vals)82.8%93.4%
GPQA Diamond (Vals)92.9%
Vals Index57.8
EQ-Bench 41339

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

GLM 5.2 vs Kimi K3: questions

Is GLM 5.2 better than Kimi K3?
Kimi K3 leads on quality: 65.7 vs 57.7. The BenchLeader Index combines every independent quality benchmark; Kimi K3 is ahead overall as of 2026-09-13, but check the category scores for your use.
Is GLM 5.2 better than Kimi K3 for coding?
Kimi K3 scores higher in coding (65 vs 64 on the category index, where 50 is average).
Is GLM 5.2 better than Kimi K3 for agentic tasks?
Kimi K3 scores higher in agentic tasks (67 vs 57 on the category index, where 50 is average).
Which is cheaper, GLM 5.2 or Kimi K3?
GLM 5.2 is cheaper: $2.15 against $6.00 per million tokens, blended at three input tokens per output token.
Which is faster, GLM 5.2 or Kimi K3?
GLM 5.2 streams faster: 75 against 37 output tokens per second.
Which has the larger context window?
Kimi K3 accepts more context: 1.0M against 1M tokens.