Model comparison
GLM-4.5V vs Step 1o Turbo 202506
GLM-4.5V and Step 1o Turbo 202506 score almost the same on the Noometry Index (39.8 vs 39.7), so choose on price, context window or the category you care about most.
Last verified . 13 shared benchmarks.
StepFunSummary
- They share 13 benchmarks with published results for both. GLM-4.5V scores higher in 5 categories and Step 1o Turbo 202506 in 4 categories; 3 gaps are clear of the uncertainty.
- GLM-4.5V has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5V | Step 1o Turbo 202506 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | StepFun |
| Noometry Index | 39.8 | 39.7 |
| Released | 2025-08-11 | — |
| Weights | Open | Proprietary |
| Context window | 64K | — |
| Max output | 16K | — |
| Input $ / M tokens | $0.60 | — |
| Output $ / M tokens | $1.80 | — |
| Results tracked | 15 | 14 |
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Category by category
Coding Too close to call
GLM-4.5V: 39.5 (#155), Step 1o Turbo 202506: 39.2 (#160)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Coding | 1347 | 1339 |
Reasoning Too close to call
GLM-4.5V: 27.4 (#119), Step 1o Turbo 202506: 26.8 (#129)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Hard Prompts | 1334 | 1335 |
| Kagi LLM Benchmark | 59.8% | — |
Math Too close to call
GLM-4.5V: 37.4 (#159), Step 1o Turbo 202506: 36.6 (#164)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Math | 1354 | 1318 |
Knowledge GLM-4.5V leads
GLM-4.5V: 37.5 (#156), Step 1o Turbo 202506: 36.1 (#176)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Expert | 1353 | 1308 |
Multimodal Step 1o Turbo 202506 leads
GLM-4.5V: 34.3 (#92), Step 1o Turbo 202506: 36.1 (#80)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Vision | 1154 | 1186 |
Multilingual Too close to call
GLM-4.5V: 44.6 (#177), Step 1o Turbo 202506: 45.3 (#173)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Non-English | 1303 | 1313 |
| LMArena Chinese | 1337 | 1380 |
| LMArena Russian | 1298 | 1327 |
| LMArena German | — | 1314 |
| LMArena Spanish | 1336 | — |
Instruction Following Too close to call
GLM-4.5V: 69.2 (#175), Step 1o Turbo 202506: 69.2 (#176)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Instruction Following | 1311 | 1310 |
Long Context Step 1o Turbo 202506 leads
GLM-4.5V: 39.6 (#171), Step 1o Turbo 202506: 41.0 (#146)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Longer Query | 1304 | 1348 |
Writing & Preference Too close to call
GLM-4.5V: 52.5 (#170), Step 1o Turbo 202506: 53.1 (#160)
| Benchmark | GLM-4.5V | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Text | 1333 | 1336 |
| LMArena Creative Writing | 1295 | 1307 |
| LMArena Multi-Turn | 1332 | 1340 |
Frequently asked questions
Is GLM-4.5V better than Step 1o Turbo 202506?
GLM-4.5V and Step 1o Turbo 202506 score almost the same on the Noometry Index (39.8 vs 39.7), so choose on price, context window or the category you care about most.
Is GLM-4.5V or Step 1o Turbo 202506 better for coding?
They score almost the same on coding (39.5 vs 39.2); test both on your own repository before choosing.
How many benchmarks do GLM-4.5V and Step 1o Turbo 202506 share?
13 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and Step 1o Turbo 202506 has 14.