# GLM-4.7 vs Grok 4.1 Fast

> GLM-4.7 and Grok 4.1 Fast score almost the same on the Noometry Index (41.7 vs 40.9), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/glm-4-7-vs-grok-4-1-fast
- Last updated: 2026-10-10
- Shared benchmarks: 24

## Summary

- They share 24 benchmarks with published results for both. GLM-4.7 scores higher in 7 categories and Grok 4.1 Fast in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 Fast leads 42.3 to 23.7.
- The biggest single-benchmark swing is SimpleBench: 47.7% for GLM-4.7 and 56% for Grok 4.1 Fast.
- Grok 4.1 Fast is cheaper at $0.20 / $0.50 per million input/output tokens, against $0.60 / $2.20 for GLM-4.7.
- GLM-4.7 accepts more context: 205K tokens versus 128K.
- GLM-4.7 has downloadable open weights; the other is API-only.

## Snapshot

| | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| Provider | Z.ai (Zhipu) | xAI |
| Noometry Index | 41.7 | 40.9 |
| Rank | 117 | 131 |
| Context | 205K | 128K |
| Input $/M | $0.60 | $0.20 |
| Output $/M | $2.20 | $0.50 |
| Weights | Open | Proprietary |

## Coding

- GLM-4.7: 43.6 (#74)
- Grok 4.1 Fast: 33.8 (#236)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| LMArena WebDev | 1435 | 1241 |
| LMArena Coding | 1454 | 1411 |
| ALE-Bench | 399.48 | 394.93 |
| SciCode | 45.1% | — |

## Agentic & Tool Use

- GLM-4.7: 26.4 (#96)
- Grok 4.1 Fast: 36.1 (#35)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| Vending-Bench 2 | 2,377 | 1,107 |
| Terminal-Bench | 33.4% | — |
| Berkeley Function Calling Leaderboard | — | 69.6% |
| τ²-bench Banking | — | 13.1% |
| LMArena Search | — | 1171 |

## Reasoning

- GLM-4.7: 23.7 (#161)
- Grok 4.1 Fast: 42.3 (#45)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| SimpleBench | 47.7% | 56% |
| LMArena Hard Prompts | 1443 | 1407 |
| NYT Connections (extended) | — | 87.4% |
| CritPt | 1.7% | — |
| Chess Puzzles | 6% | — |
| DTBench | — | 87.7% |
| Epoch Capabilities Index | 143.53 | — |
| ForecastBench | — | 61 |

## Math

- GLM-4.7: 37.7 (#92)
- Grok 4.1 Fast: 30.9 (#201)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| ProofBench | 6% | 4% |
| LMArena Math | 1423 | 1408 |
| MathArena Final-Answer Competitions | — | 60.9% |
| OTIS Mock AIME 2024-2025 | 83.3% | — |
| FrontierMath (Feb 2025 set) | 2.4% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- GLM-4.7: 47.0 (#74)
- Grok 4.1 Fast: 32.6 (#203)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| Vectara Hallucination Rate | 11.7% | 17.8% |
| LMArena Expert | 1424 | 1398 |
| GPQA Diamond | 83.3% | — |
| SimpleQA Verified | 32.2% | — |

## Multimodal

- GLM-4.7: —
- Grok 4.1 Fast: 36.3 (#71)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |

## Multilingual

- GLM-4.7: 53.0 (#75)
- Grok 4.1 Fast: 51.1 (#110)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 1417 | 1391 |
| LMArena Chinese | 1495 | 1441 |
| LMArena French | 1432 | 1416 |
| LMArena German | 1426 | 1404 |
| LMArena Japanese | 1439 | 1347 |
| LMArena Korean | 1401 | 1361 |
| LMArena Russian | 1423 | 1387 |
| LMArena Spanish | 1433 | 1411 |

## Instruction Following

- GLM-4.7: 74.6 (#90)
- Grok 4.1 Fast: 72.8 (#127)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 1411 | 1376 |

## Long Context

- GLM-4.7: 42.8 (#111)
- Grok 4.1 Fast: 42.4 (#121)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 1432 | 1390 |
| CL-bench | 15.9% | — |
| CL-bench Life | 10.9% | — |

## Writing & Preference

- GLM-4.7: 61.1 (#89)
- Grok 4.1 Fast: 57.4 (#126)

| Benchmark | GLM-4.7 | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1436 | 1408 |
| LMArena Creative Writing | 1401 | 1394 |
| EQ-Bench Creative Writing | 1413 | 1327 |
| LMArena Multi-Turn | 1446 | 1389 |

## FAQ

### Is GLM-4.7 better than Grok 4.1 Fast?

GLM-4.7 and Grok 4.1 Fast score almost the same on the Noometry Index (41.7 vs 40.9), so choose on price, context window or the category you care about most.

### Which is cheaper, GLM-4.7 or Grok 4.1 Fast?

Grok 4.1 Fast is cheaper. It lists at $0.20 per million input tokens and $0.50 per million output tokens; GLM-4.7 lists at $0.60 and $2.20.

### Is GLM-4.7 or Grok 4.1 Fast better for coding?

GLM-4.7 scores higher on coding benchmarks: 43.6 versus 33.8 in the Noometry coding category.

### Which has the bigger context window?

GLM-4.7 does, with 205K tokens against 128K.

### How many benchmarks do GLM-4.7 and Grok 4.1 Fast share?

24 benchmarks have published results for both models. GLM-4.7 has 36 scored results on Noometry and Grok 4.1 Fast has 32.