Model comparison
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.
Last verified . 17 shared benchmarks.
DatabricksSummary
- 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.
Side by side
| DBRX | Grok 4.1 Fast | |
|---|---|---|
| Provider | Databricks | xAI |
| Noometry Index | 29.4 | 41.4 |
| Released | 2024-03-27 | 2025-06-27 |
| Weights | Open | Proprietary |
| Context window | — | 128K |
| Max output | — | 30K |
| Input $ / M tokens | — | $0.20 |
| Output $ / M tokens | — | $0.50 |
| Results tracked | 21 | 32 |
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Category by category
Coding Grok 4.1 Fast leads
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 Not comparable
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 Grok 4.1 Fast leads
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 Grok 4.1 Fast leads
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 Grok 4.1 Fast leads
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 Not comparable
DBRX: —, Grok 4.1 Fast: 37.0 (#76)
| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |
Multilingual Grok 4.1 Fast leads
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 Grok 4.1 Fast leads
DBRX: 57.5 (#270), Grok 4.1 Fast: 72.7 (#133)
| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 1112 | 1376 |
Long Context Grok 4.1 Fast leads
DBRX: 33.7 (#258), Grok 4.1 Fast: 42.4 (#126)
| Benchmark | DBRX | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 1112 | 1390 |
Writing & Preference Grok 4.1 Fast leads
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 |
Frequently asked questions
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.