# GLM-4.6 vs Solar Pro4

> GLM-4.6 and Solar Pro4 score almost the same on the Noometry Index (41.4 vs 42.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/glm-4-6-vs-solar-pro4
- Last updated: 2026-10-11
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. GLM-4.6 scores higher in 6 categories and Solar Pro4 in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Solar Pro4 leads 28.5 to 23.7.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.60 / $2.20 for GLM-4.6.
- Solar Pro4 accepts more context: 524K tokens versus 205K.
- GLM-4.6 has downloadable open weights; the other is API-only.

## Snapshot

| | GLM-4.6 | Solar Pro4 |
|---|---|---|
| Provider | Z.ai (Zhipu) | Upstage |
| Noometry Index | 41.4 | 42.1 |
| Rank | 135 | 121 |
| Context | 205K | 524K |
| Input $/M | $0.60 | $0.30 |
| Output $/M | $2.20 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- GLM-4.6: 40.1 (#148)
- Solar Pro4: 40.1 (#149)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1340 | 1371 |
| LMArena Coding | 1449 | 1437 |
| SWE-bench Verified (bash only) | 55.4% | — |
| SciCode | 38.4% | — |
| ALE-Bench | 340.82 | — |

## Agentic & Tool Use

- GLM-4.6: 32.3 (#66)
- Solar Pro4: —

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| Terminal-Bench | 24.5% | — |
| Berkeley Function Calling Leaderboard | 72.4% | — |

## Reasoning

- GLM-4.6: 23.7 (#172)
- Solar Pro4: 28.5 (#104)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1399 |
| Kagi LLM Benchmark | 47.4% | — |
| CritPt | 1.1% | — |

## Math

- GLM-4.6: 39.1 (#111)
- Solar Pro4: 38.8 (#128)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena Math | 1432 | 1416 |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- GLM-4.6: 40.2 (#124)
- Solar Pro4: 39.8 (#129)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1431 | 1427 |
| Vectara Hallucination Rate | 9.5% | — |

## Multilingual

- GLM-4.6: 53.5 (#66)
- Solar Pro4: 48.7 (#139)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1426 | 1361 |
| LMArena Chinese | 1499 | 1415 |
| LMArena French | 1459 | 1397 |
| LMArena German | 1447 | 1364 |
| LMArena Japanese | 1393 | 1309 |
| LMArena Korean | 1400 | 1382 |
| LMArena Russian | 1419 | 1360 |
| LMArena Spanish | 1436 | 1401 |

## Instruction Following

- GLM-4.6: 74.3 (#98)
- Solar Pro4: 72.7 (#132)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1410 | 1377 |

## Long Context

- GLM-4.6: 43.4 (#94)
- Solar Pro4: 42.1 (#130)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1422 | 1381 |

## Writing & Preference

- GLM-4.6: 61.1 (#90)
- Solar Pro4: 56.5 (#138)

| Benchmark | GLM-4.6 | Solar Pro4 |
|---|---|---|
| LMArena Text | 1440 | 1386 |
| LMArena Creative Writing | 1411 | 1316 |
| LMArena Multi-Turn | 1427 | 1385 |
| EQ-Bench Creative Writing | 1411 | — |

## FAQ

### Is GLM-4.6 better than Solar Pro4?

GLM-4.6 and Solar Pro4 score almost the same on the Noometry Index (41.4 vs 42.1), so choose on price, context window or the category you care about most.

### Which is cheaper, GLM-4.6 or Solar Pro4?

Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; GLM-4.6 lists at $0.60 and $2.20.

### Is GLM-4.6 or Solar Pro4 better for coding?

They score almost the same on coding (40.1 vs 40.1); test both on your own repository before choosing.

### Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 205K.

### How many benchmarks do GLM-4.6 and Solar Pro4 share?

18 benchmarks have published results for both models. GLM-4.6 has 29 scored results on Noometry and Solar Pro4 has 18.