# Grok 4.1 Fast vs Wizardlm 70b

> Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 32.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-1-fast-vs-wizardlm-70b
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Grok 4.1 Fast scores higher in 7 categories and Wizardlm 70b in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 Fast leads 42.3 to 19.8.
- Wizardlm 70b has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 40.9 | 32.4 |
| Rank | 131 | 245 |
| Context | 128K | — |
| Input $/M | $0.20 | — |
| Output $/M | $0.50 | — |
| Weights | Proprietary | Open |

## Coding

- Grok 4.1 Fast: 33.8 (#236)
- Wizardlm 70b: 30.9 (#280)

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Coding | 1411 | 1081 |
| LMArena WebDev | 1241 | — |
| ALE-Bench | 394.93 | — |

## Agentic & Tool Use

- Grok 4.1 Fast: 36.1 (#35)
- Wizardlm 70b: —

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| Berkeley Function Calling Leaderboard | 69.6% | — |
| τ²-bench Banking | 13.1% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | 1,107 | — |

## Reasoning

- Grok 4.1 Fast: 42.3 (#45)
- Wizardlm 70b: 19.8 (#231)

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Hard Prompts | 1407 | 1079 |
| SimpleBench | 56% | — |
| NYT Connections (extended) | 87.4% | — |
| DTBench | 87.7% | — |
| ForecastBench | 61 | — |

## Math

- Grok 4.1 Fast: 30.9 (#201)
- Wizardlm 70b: 29.7 (#216)

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Math | 1408 | 1116 |
| MathArena Final-Answer Competitions | 60.9% | — |
| ProofBench | 4% | — |

## Knowledge

- Grok 4.1 Fast: 32.6 (#203)
- Wizardlm 70b: —

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| Vectara Hallucination Rate | 17.8% | — |
| LMArena Expert | 1398 | — |

## Multimodal

- Grok 4.1 Fast: 36.3 (#71)
- Wizardlm 70b: —

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Vision | 1201 | — |

## Multilingual

- Grok 4.1 Fast: 51.1 (#110)
- Wizardlm 70b: 29.8 (#260)

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Non-English | 1391 | 1078 |
| LMArena Chinese | 1441 | 1052 |
| LMArena German | 1404 | 1083 |
| LMArena Russian | 1387 | 1155 |
| LMArena French | 1416 | — |
| LMArena Japanese | 1347 | — |
| LMArena Korean | 1361 | — |
| LMArena Spanish | 1411 | — |

## Instruction Following

- Grok 4.1 Fast: 72.8 (#127)
- Wizardlm 70b: 56.5 (#268)

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Instruction Following | 1376 | 1093 |

## Long Context

- Grok 4.1 Fast: 42.4 (#121)
- Wizardlm 70b: 33.3 (#258)

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Longer Query | 1390 | 1097 |

## Writing & Preference

- Grok 4.1 Fast: 57.4 (#126)
- Wizardlm 70b: 34.9 (#264)

| Benchmark | Grok 4.1 Fast | Wizardlm 70b |
|---|---|---|
| LMArena Text | 1408 | 1120 |
| LMArena Creative Writing | 1394 | 1149 |
| LMArena Multi-Turn | 1389 | 1108 |
| EQ-Bench Creative Writing | 1327 | — |

## FAQ

### Is Grok 4.1 Fast better than Wizardlm 70b?

Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 32.4 on the Noometry Index.

### Is Grok 4.1 Fast or Wizardlm 70b better for coding?

Grok 4.1 Fast scores higher on coding benchmarks: 33.8 versus 30.9 in the Noometry coding category.

### How many benchmarks do Grok 4.1 Fast and Wizardlm 70b share?

12 benchmarks have published results for both models. Grok 4.1 Fast has 32 scored results on Noometry and Wizardlm 70b has 12.