Model comparison
GLM-4.5V vs Step 3
GLM-4.5V and Step 3 score almost the same on the Noometry Index (39.2 vs 39.9), so choose on price, context window or the category you care about most.
Last verified . 15 shared benchmarks.
StepFunSummary
- They share 15 benchmarks with published results for both. GLM-4.5V scores higher in 1 category and Step 3 in 8 categories; 5 gaps are clear of the uncertainty.
Side by side
| GLM-4.5V | Step 3 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | StepFun |
| Noometry Index | 39.2 | 39.9 |
| Released | 2025-08-11 | — |
| Weights | Open | Open |
| Context window | 64K | — |
| Max output | 16K | — |
| Input $ / M tokens | $0.60 | — |
| Output $ / M tokens | $1.80 | — |
| Results tracked | 15 | 17 |
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Category by category
Coding Too close to call
GLM-4.5V: 38.9 (#152), Step 3: 39.5 (#144)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Coding | 1347 | 1367 |
Reasoning Step 3 leads
GLM-4.5V: 26.5 (#118), Step 3: 27.6 (#102)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| Kagi LLM Benchmark | 59.8% | 62.3% |
| LMArena Hard Prompts | 1335 | 1355 |
Math Too close to call
GLM-4.5V: 34.7 (#157), Step 3: 34.9 (#148)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Math | 1353 | 1366 |
Knowledge Too close to call
GLM-4.5V: 36.8 (#155), Step 3: 36.2 (#161)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Expert | 1353 | 1333 |
Multimodal Step 3 leads
GLM-4.5V: 33.6 (#86), Step 3: 34.9 (#81)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Vision | 1154 | 1176 |
Multilingual Step 3 leads
GLM-4.5V: 44.9 (#172), Step 3: 46.5 (#154)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Non-English | 1304 | 1327 |
| LMArena Chinese | 1338 | 1396 |
| LMArena Russian | 1299 | 1331 |
| LMArena Spanish | 1335 | 1372 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1271 |
Instruction Following Step 3 leads
GLM-4.5V: 69.4 (#170), Step 3: 70.6 (#159)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1311 | 1332 |
Long Context Too close to call
GLM-4.5V: 39.6 (#166), Step 3: 40.3 (#152)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Longer Query | 1305 | 1326 |
Writing & Preference Step 3 leads
GLM-4.5V: 52.7 (#162), Step 3: 54.5 (#146)
| Benchmark | GLM-4.5V | Step 3 |
|---|---|---|
| LMArena Text | 1333 | 1351 |
| LMArena Creative Writing | 1295 | 1322 |
| LMArena Multi-Turn | 1333 | 1340 |
Frequently asked questions
Is GLM-4.5V better than Step 3?
GLM-4.5V and Step 3 score almost the same on the Noometry Index (39.2 vs 39.9), so choose on price, context window or the category you care about most.
Is GLM-4.5V or Step 3 better for coding?
They score almost the same on coding (38.9 vs 39.5); test both on your own repository before choosing.
How many benchmarks do GLM-4.5V and Step 3 share?
15 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and Step 3 has 17.