# DeepSeek V4.1 Flash vs Grok 4.6

> Grok 4.6 is the stronger model overall, scoring 56.9 to 52.8 on the Noometry Index. DeepSeek V4.1 Flash costs 11× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/deepseek-v4-1-flash-vs-grok-4-6
- Last updated: 2026-10-10
- Shared benchmarks: 35

## Summary

- They share 35 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 4 categories and Grok 4.6 in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 50.2.
- The biggest single-benchmark swing is APEX-Agents: 39.5% for DeepSeek V4.1 Flash and 65.3% for Grok 4.6.
- DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $2 / $6 for Grok 4.6.
- DeepSeek V4.1 Flash accepts more context: 1M tokens versus 500K.
- DeepSeek V4.1 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| Provider | DeepSeek | xAI |
| Noometry Index | 52.8 | 56.9 |
| Rank | 38 | 21 |
| Context | 1M | 500K |
| Input $/M | $0.15 | $2 |
| Output $/M | $0.60 | $6 |
| Weights | Open | Proprietary |

## Coding

- DeepSeek V4.1 Flash: 52.9 (#32)
- Grok 4.6: 58.5 (#16)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| LMArena WebDev | 1619 | 1617 |
| SciCode | 51.9% | 56.5% |
| LMArena Coding | 1506 | 1465 |
| ALE-Bench | 1,092 | 1,508 |
| DeepSWE | — | 67.5% |
| FrontierCode | — | 48% |
| CursorBench | — | 41.4% |
| FrontierSWE | — | 25.3% |
| WeirdML | — | 67.3% |

## Agentic & Tool Use

- DeepSeek V4.1 Flash: 31.2 (#69)
- Grok 4.6: 39.4 (#27)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| APEX-Agents | 39.5% | 65.3% |
| GDP.pdf | 19.8% | 17.2% |
| Vending-Bench 2 | — | 9,047 |

## Reasoning

- DeepSeek V4.1 Flash: 50.2 (#36)
- Grok 4.6: 61.4 (#20)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| NYT Connections (extended) | 89.6% | 80% |
| CritPt | 14.3% | 19.7% |
| LMArena Hard Prompts | 1483 | 1447 |
| Mystery Game Puzzles | 43% | 34% |
| DTBench | 89.9% | 97.3% |
| LMCA | 47% | 48.5% |
| Epoch Capabilities Index | 154.9 | 156.44 |
| ARC-AGI-2 | — | 67.1% |
| SimpleBench | — | 75.9% |
| ARC-AGI-1 | — | 87.5% |
| Chess Puzzles | — | 40% |
| EBR-Bench | — | 30.5% |
| Surface Evolver Bench | 46.3% | — |

## Math

- DeepSeek V4.1 Flash: 66.7 (#25)
- Grok 4.6: 67.0 (#24)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 67.4% | 66% |
| FrontierMath Tier 4 | 26.8% | 31.7% |
| OTIS Mock AIME 2024-2025 | 98.3% | 99.2% |
| ProofBench | 54% | 51% |
| LMArena Math | 1477 | 1423 |

## Knowledge

- DeepSeek V4.1 Flash: 57.9 (#38)
- Grok 4.6: 63.3 (#20)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| GPQA Diamond | 89.8% | 94% |
| LMArena Expert | 1506 | 1467 |
| SimpleQA Verified | — | 49.3% |

## Multimodal

- DeepSeek V4.1 Flash: 39.1 (#61)
- Grok 4.6: 43.6 (#23)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| LMArena Vision | 1277 | 1263 |
| Furniture Assembly | 34.2% | 40% |
| Blueprint-Bench 2 | — | 33.2% |
| LMArena Document | — | 1452 |

## Multilingual

- DeepSeek V4.1 Flash: 55.0 (#35)
- Grok 4.6: 53.0 (#74)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| LMArena Non-English | 1448 | 1420 |
| LMArena Chinese | 1497 | 1480 |
| LMArena French | 1452 | 1461 |
| LMArena German | 1484 | 1431 |
| LMArena Japanese | 1412 | 1376 |
| LMArena Korean | 1452 | 1397 |
| LMArena Russian | 1471 | 1422 |
| LMArena Spanish | 1459 | 1404 |

## Instruction Following

- DeepSeek V4.1 Flash: 77.3 (#26)
- Grok 4.6: 75.4 (#63)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| LMArena Instruction Following | 1474 | 1431 |

## Long Context

- DeepSeek V4.1 Flash: 45.2 (#47)
- Grok 4.6: 44.5 (#66)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| LMArena Longer Query | 1475 | 1454 |

## Writing & Preference

- DeepSeek V4.1 Flash: 65.4 (#48)
- Grok 4.6: 62.3 (#80)

| Benchmark | DeepSeek V4.1 Flash | Grok 4.6 |
|---|---|---|
| LMArena Text | 1462 | 1428 |
| LMArena Creative Writing | 1435 | 1428 |
| LMArena Multi-Turn | 1457 | 1425 |
| EQ-Bench Creative Writing | 1540 | — |

## FAQ

### Is DeepSeek V4.1 Flash better than Grok 4.6?

Grok 4.6 is the stronger model overall, scoring 56.9 to 52.8 on the Noometry Index. DeepSeek V4.1 Flash costs 11× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

### Which is cheaper, DeepSeek V4.1 Flash or Grok 4.6?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Grok 4.6 lists at $2 and $6.

### Is DeepSeek V4.1 Flash or Grok 4.6 better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.5 versus 52.9 in the Noometry coding category.

### Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 500K.

### How many benchmarks do DeepSeek V4.1 Flash and Grok 4.6 share?

35 benchmarks have published results for both models. DeepSeek V4.1 Flash has 37 scored results on Noometry and Grok 4.6 has 49.