# DeepSeek LLM 67B vs Grok 4 Fast

> Grok 4 Fast is the stronger model overall, scoring 39.0 to 24.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-llm-67b-vs-grok-4-fast
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. DeepSeek LLM 67B scores higher in 0 categories and Grok 4 Fast in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 Fast leads 63.2 to 33.1.
- DeepSeek LLM 67B has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| Provider | DeepSeek | xAI |
| Noometry Index | 24.8 | 39.0 |
| Rank | 341 | 164 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek LLM 67B: 31.3 (#273)
- Grok 4 Fast: 32.3 (#264)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| LMArena Coding | 1096 | 1429 |
| LMArena WebDev | — | 1160 |
| WeirdML | — | 42.9% |

## Agentic & Tool Use

- DeepSeek LLM 67B: —
- Grok 4 Fast: 29.3 (#80)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| τ²-bench Banking | — | 15.7% |
| Cybench | — | 30% |
| LMArena Search | — | 1171 |

## Reasoning

- DeepSeek LLM 67B: 15.9 (#300)
- Grok 4 Fast: 22.5 (#179)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| LMArena Hard Prompts | 1070 | 1413 |
| Epoch Capabilities Index | 110.54 | 144.21 |
| ARC-AGI-2 | — | 5.3% |
| Kagi LLM Benchmark | — | 66.1% |
| ARC-AGI-1 | — | 48.5% |
| Chess Puzzles | 0% | — |
| DTBench | — | 82.7% |
| ForecastBench | — | 60.5 |

## Math

- DeepSeek LLM 67B: 8.1 (#318)
- Grok 4 Fast: 36.1 (#126)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| LMArena Math | 1108 | 1419 |
| OTIS Mock AIME 2024-2025 | 0.8% | — |
| MATH Level 5 | 6.4% | — |

## Knowledge

- DeepSeek LLM 67B: 7.1 (#308)
- Grok 4 Fast: 31.5 (#211)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| GPQA Diamond | 24.6% | — |
| Vectara Hallucination Rate | — | 19.7% |
| LMArena Expert | — | 1411 |

## Multilingual

- DeepSeek LLM 67B: 29.5 (#262)
- Grok 4 Fast: 51.5 (#106)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| LMArena Non-English | 1073 | 1397 |
| LMArena Chinese | 1132 | 1458 |
| LMArena French | — | 1433 |
| LMArena German | — | 1383 |
| LMArena Japanese | — | 1358 |
| LMArena Korean | — | 1359 |
| LMArena Russian | — | 1387 |
| LMArena Spanish | — | 1414 |

## Instruction Following

- DeepSeek LLM 67B: 55.7 (#272)
- Grok 4 Fast: 73.4 (#116)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| LMArena Instruction Following | 1079 | 1388 |

## Long Context

- DeepSeek LLM 67B: 33.1 (#260)
- Grok 4 Fast: 63.2 (#3)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| LMArena Longer Query | 1092 | 1415 |
| Fiction.LiveBench | — | 94.4% |

## Writing & Preference

- DeepSeek LLM 67B: 31.8 (#277)
- Grok 4 Fast: 60.2 (#96)

| Benchmark | DeepSeek LLM 67B | Grok 4 Fast |
|---|---|---|
| LMArena Text | 1105 | 1407 |
| LMArena Creative Writing | 1067 | 1388 |
| LMArena Multi-Turn | 1082 | 1414 |

## FAQ

### Is DeepSeek LLM 67B better than Grok 4 Fast?

Grok 4 Fast is the stronger model overall, scoring 39.0 to 24.8 on the Noometry Index.

### Is DeepSeek LLM 67B or Grok 4 Fast better for coding?

They score almost the same on coding (31.3 vs 32.3); test both on your own repository before choosing.

### How many benchmarks do DeepSeek LLM 67B and Grok 4 Fast share?

11 benchmarks have published results for both models. DeepSeek LLM 67B has 15 scored results on Noometry and Grok 4 Fast has 30.