Model comparison
GLM-5.2 vs Grok-3 mini
GLM-5.2 is the stronger model overall, scoring 50.9 to 41.0 on the Noometry Index.
Last verified . 24 shared benchmarks.
Summary
- They share 24 benchmarks with published results for both. GLM-5.2 scores higher in 7 categories and Grok-3 mini in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GLM-5.2 leads 42.1 to 13.8.
- The biggest single-benchmark swing is ARC-AGI-1: 77% for GLM-5.2 and 16.5% for Grok-3 mini.
- GLM-5.2 has downloadable open weights; the other is API-only.
Side by side
| GLM-5.2 | Grok-3 mini | |
|---|---|---|
| Provider | Z.ai (Zhipu) | xAI |
| Noometry Index | 50.9 | 41.0 |
| Released | 2026-06-13 | 2025-04-09 |
| Weights | Open | Proprietary |
| Context window | 1M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.40 | — |
| Output $ / M tokens | $4.40 | — |
| Results tracked | 50 | 35 |
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Category by category
Coding GLM-5.2 leads
GLM-5.2: 50.9 (#37), Grok-3 mini: 40.4 (#126)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| WeirdML | 70.1% | 42.6% |
| LMArena Coding | 1484 | 1380 |
| SWE-bench Verified | 78.7% | — |
| DeepSWE | 43.8% | — |
| FrontierCode | 24.5% | — |
| Aider Polyglot | — | 49.3% |
| LMArena WebDev | 1604 | — |
| SciCode | 50.5% | — |
| ALE-Bench | 1,047 | — |
Agentic & Tool Use Not comparable
GLM-5.2: 31.6 (#63), Grok-3 mini: —
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 31.7% | — |
| GBAEval | 0% | — |
| Vending-Bench 2 | 8,314 | — |
Reasoning GLM-5.2 leads
GLM-5.2: 42.1 (#46), Grok-3 mini: 13.8 (#323)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| ARC-AGI-2 | 22.8% | 0.4% |
| Kagi LLM Benchmark | 62.6% | 61.3% |
| ARC-AGI-1 | 77% | 16.5% |
| LMArena Hard Prompts | 1480 | 1374 |
| Epoch Capabilities Index | 151.76 | 140.35 |
| SimpleBench | 58.8% | — |
| NYT Connections (extended) | 74.3% | — |
| CritPt | 20.9% | — |
| Chess Puzzles | 21% | — |
| EBR-Bench | 9.5% | — |
| Mystery Game Puzzles | 19% | — |
| DTBench | 93.6% | — |
| LMCA | 45.8% | — |
| Surface Evolver Bench | 55.6% | — |
Math GLM-5.2 leads
GLM-5.2: 55.4 (#35), Grok-3 mini: 40.3 (#78)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.4% | 77.8% |
| LMArena Math | 1482 | 1386 |
| FrontierMath (Tiers 1-3) | 59.2% | — |
| FrontierMath Tier 4 | 29.3% | — |
| MathArena Final-Answer Competitions | 67.6% | — |
| ProofBench | 35% | — |
| Omni-MATH | — | 31.8% |
| MATH Level 5 | — | 90.9% |
| FrontierMath (Feb 2025 set) | — | 5.9% |
Knowledge GLM-5.2 leads
GLM-5.2: 57.1 (#36), Grok-3 mini: 46.3 (#75)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| GPQA Diamond | 91.9% | 76.3% |
| LMArena Expert | 1484 | 1395 |
| SimpleQA Verified | 34.2% | — |
| MMLU-Pro | — | 79.9% |
| Confabulations | — | 10.8% |
| GPQA (HELM) | — | 67.5% |
Multilingual GLM-5.2 leads
GLM-5.2: 56.0 (#25), Grok-3 mini: 48.3 (#141)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| LMArena Non-English | 1459 | 1352 |
| LMArena Chinese | 1518 | 1387 |
| LMArena French | 1476 | 1357 |
| LMArena German | 1470 | 1350 |
| LMArena Japanese | 1451 | 1343 |
| LMArena Korean | 1445 | 1336 |
| LMArena Russian | 1467 | 1352 |
| LMArena Spanish | 1477 | 1379 |
Instruction Following Grok-3 mini leads
GLM-5.2: 77.1 (#32), Grok-3 mini: 78.7 (#8)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| LMArena Instruction Following | 1465 | 1356 |
| IFEval | — | 95.1% |
Long Context GLM-5.2 leads
GLM-5.2: 45.3 (#43), Grok-3 mini: 41.0 (#142)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| LMArena Longer Query | 1479 | 1372 |
| Fiction.LiveBench | — | 66.7% |
Writing & Preference GLM-5.2 leads
GLM-5.2: 70.7 (#20), Grok-3 mini: 52.7 (#163)
| Benchmark | GLM-5.2 | Grok-3 mini |
|---|---|---|
| LMArena Text | 1470 | 1370 |
| LMArena Creative Writing | 1465 | 1342 |
| LMArena Multi-Turn | 1468 | 1355 |
| Short-Story Creative Writing | — | 73.5% |
| EQ-Bench Creative Writing | 1757 | — |
| WildBench | — | 65.1% |
| EQ-Bench 4 | 1222 | — |
Frequently asked questions
Is GLM-5.2 better than Grok-3 mini?
GLM-5.2 is the stronger model overall, scoring 50.9 to 41.0 on the Noometry Index.
Is GLM-5.2 or Grok-3 mini better for coding?
GLM-5.2 scores higher on coding benchmarks: 50.9 versus 40.4 in the Noometry coding category.
How many benchmarks do GLM-5.2 and Grok-3 mini share?
24 benchmarks have published results for both models. GLM-5.2 has 50 scored results on Noometry and Grok-3 mini has 35.