# DBRX vs Grok 4.1 Fast

> Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/dbrx-vs-grok-4-1-fast
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. DBRX scores higher in 0 categories and Grok 4.1 Fast in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 Fast leads 57.2 to 33.6.
- DBRX has downloadable open weights; the other is API-only.

## Snapshot

| | DBRX | Grok 4.1 Fast |
|---|---|---|
| Provider | Databricks | xAI |
| Noometry Index | 29.4 | 41.4 |
| Rank | 311 | 136 |
| Context | — | 128K |
| Input $/M | — | $0.20 |
| Output $/M | — | $0.50 |
| Weights | Open | Proprietary |

## Coding

- DBRX: 32.9 (#266)
- Grok 4.1 Fast: 34.1 (#245)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Coding | 1132 | 1411 |
| LMArena WebDev | — | 1242 |
| ALE-Bench | — | 394.93 |
| HumanEval+ | 70.1% | — |
| MBPP+ | 55.8% | — |

## Agentic & Tool Use

- DBRX: —
- Grok 4.1 Fast: 36.3 (#39)

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

## Reasoning

- DBRX: 21.4 (#222)
- Grok 4.1 Fast: 43.4 (#49)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1407 |
| SimpleBench | — | 56% |
| NYT Connections (extended) | — | 87.4% |
| DTBench | — | 87.7% |
| ForecastBench | — | 61 |

## Math

- DBRX: 24.3 (#269)
- Grok 4.1 Fast: 31.9 (#221)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Math | 1145 | 1408 |
| MathArena Final-Answer Competitions | — | 60.9% |
| ProofBench | — | 4% |
| MATH Level 5 | 11.7% | — |

## Knowledge

- DBRX: 14.9 (#294)
- Grok 4.1 Fast: 33.1 (#207)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Expert | 1076 | 1399 |
| GPQA Diamond | 32.9% | — |
| Vectara Hallucination Rate | — | 17.8% |

## Multimodal

- DBRX: —
- Grok 4.1 Fast: 37.0 (#76)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |

## Multilingual

- DBRX: 29.3 (#268)
- Grok 4.1 Fast: 51.0 (#114)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 1071 | 1391 |
| LMArena Chinese | 1068 | 1441 |
| LMArena French | 1096 | 1415 |
| LMArena German | 1057 | 1404 |
| LMArena Japanese | 990 | 1349 |
| LMArena Korean | 993 | 1361 |
| LMArena Russian | 1078 | 1387 |
| LMArena Spanish | 1064 | 1413 |

## Instruction Following

- DBRX: 57.5 (#270)
- Grok 4.1 Fast: 72.7 (#133)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 1112 | 1376 |

## Long Context

- DBRX: 33.7 (#258)
- Grok 4.1 Fast: 42.4 (#126)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 1112 | 1390 |

## Writing & Preference

- DBRX: 33.6 (#275)
- Grok 4.1 Fast: 57.2 (#131)

| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1119 | 1408 |
| LMArena Creative Writing | 1104 | 1394 |
| LMArena Multi-Turn | 1111 | 1389 |
| EQ-Bench Creative Writing | — | 1327 |

## FAQ

### Is DBRX better than Grok 4.1 Fast?

Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 29.4 on the Noometry Index.

### Is DBRX or Grok 4.1 Fast better for coding?

Grok 4.1 Fast scores higher on coding benchmarks: 34.1 versus 32.9 in the Noometry coding category.

### How many benchmarks do DBRX and Grok 4.1 Fast share?

17 benchmarks have published results for both models. DBRX has 21 scored results on Noometry and Grok 4.1 Fast has 32.