Model comparison
GLM-5.2 vs Step 3
GLM-5.2 is the stronger model overall, scoring 51.1 to 40.5 on the Noometry Index.
Last verified . 16 shared benchmarks.
StepFunSummary
- They share 16 benchmarks with published results for both. GLM-5.2 scores higher in 8 categories and Step 3 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5.2 leads 57.1 to 36.8.
Side by side
| GLM-5.2 | Step 3 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | StepFun |
| Noometry Index | 51.1 | 40.5 |
| Released | 2026-06-13 | — |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.40 | — |
| Output $ / M tokens | $4.40 | — |
| Results tracked | 51 | 17 |
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Category by category
Coding GLM-5.2 leads
GLM-5.2: 51.3 (#41), Step 3: 40.1 (#147)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Coding | 1485 | 1367 |
| SWE-bench Verified | 78.7% | — |
| DeepSWE | 43.8% | — |
| FrontierCode | 24.5% | — |
| LMArena WebDev | 1603 | — |
| SciCode | 50.5% | — |
| WeirdML | 70.1% | — |
| ALE-Bench | 1,047 | — |
Agentic & Tool Use Not comparable
GLM-5.2: 32.4 (#63), Step 3: —
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| APEX-Agents | 45.2% | — |
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 31.7% | — |
| GBAEval | 0% | — |
| Vending-Bench 2 | 8,314 | — |
Reasoning GLM-5.2 leads
GLM-5.2: 42.3 (#52), Step 3: 28.4 (#105)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| Kagi LLM Benchmark | 62.6% | 62.3% |
| LMArena Hard Prompts | 1480 | 1355 |
| ARC-AGI-2 | 22.8% | — |
| SimpleBench | 58.8% | — |
| NYT Connections (extended) | 74.3% | — |
| ARC-AGI-1 | 77% | — |
| 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% | — |
| Epoch Capabilities Index | 151.78 | — |
Math GLM-5.2 leads
GLM-5.2: 55.7 (#43), Step 3: 37.6 (#148)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Math | 1482 | 1366 |
| FrontierMath (Tiers 1-3) | 59.2% | — |
| FrontierMath Tier 4 | 29.3% | — |
| MathArena Final-Answer Competitions | 67.6% | — |
| OTIS Mock AIME 2024-2025 | 86.4% | — |
| ProofBench | 35% | — |
Knowledge GLM-5.2 leads
GLM-5.2: 57.1 (#40), Step 3: 36.8 (#164)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Expert | 1486 | 1333 |
| GPQA Diamond | 91.9% | — |
| SimpleQA Verified | 34.2% | — |
Multimodal Not comparable
GLM-5.2: —, Step 3: 35.5 (#86)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Vision | — | 1177 |
Multilingual GLM-5.2 leads
GLM-5.2: 55.8 (#26), Step 3: 46.3 (#159)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Non-English | 1459 | 1327 |
| LMArena Chinese | 1519 | 1397 |
| LMArena German | 1468 | 1371 |
| LMArena Korean | 1445 | 1269 |
| LMArena Russian | 1466 | 1331 |
| LMArena Spanish | 1477 | 1371 |
| LMArena French | 1479 | — |
| LMArena Japanese | 1451 | — |
Instruction Following GLM-5.2 leads
GLM-5.2: 76.9 (#34), Step 3: 70.4 (#164)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1465 | 1332 |
Long Context GLM-5.2 leads
GLM-5.2: 45.3 (#43), Step 3: 40.3 (#157)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Longer Query | 1479 | 1326 |
Writing & Preference GLM-5.2 leads
GLM-5.2: 70.4 (#21), Step 3: 54.3 (#151)
| Benchmark | GLM-5.2 | Step 3 |
|---|---|---|
| LMArena Text | 1470 | 1350 |
| LMArena Creative Writing | 1462 | 1321 |
| LMArena Multi-Turn | 1469 | 1341 |
| EQ-Bench Creative Writing | 1757 | — |
| EQ-Bench 4 | 1222 | — |
Frequently asked questions
Is GLM-5.2 better than Step 3?
GLM-5.2 is the stronger model overall, scoring 51.1 to 40.5 on the Noometry Index.
Is GLM-5.2 or Step 3 better for coding?
GLM-5.2 scores higher on coding benchmarks: 51.3 versus 40.1 in the Noometry coding category.
How many benchmarks do GLM-5.2 and Step 3 share?
16 benchmarks have published results for both models. GLM-5.2 has 51 scored results on Noometry and Step 3 has 17.