# Command A vs DeepSeek V4.1 Flash

> DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 36.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/command-a-vs-deepseek-v4-1-flash
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Command A scores higher in 1 category and DeepSeek V4.1 Flash in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 50.2 to 18.3.
- The biggest single-benchmark swing is LMCA: 10.3% for Command A and 47% for DeepSeek V4.1 Flash.
- DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $2.50 / $10 for Command A.
- DeepSeek V4.1 Flash accepts more context: 1M tokens versus 256K.

## Snapshot

| | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| Provider | Cohere | DeepSeek |
| Noometry Index | 36.5 | 52.8 |
| Rank | 215 | 38 |
| Context | 256K | 1M |
| Input $/M | $2.50 | $0.15 |
| Output $/M | $10 | $0.60 |
| Weights | Open | Open |

## Coding

- Command A: 27.2 (#322)
- DeepSeek V4.1 Flash: 52.9 (#32)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Coding | 1330 | 1506 |
| Aider Polyglot | 12% | — |
| LMArena WebDev | — | 1619 |
| SciCode | — | 51.9% |
| ALE-Bench | — | 1,092 |

## Agentic & Tool Use

- Command A: 35.9 (#40)
- DeepSeek V4.1 Flash: 31.2 (#69)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| APEX-Agents | — | 39.5% |
| Berkeley Function Calling Leaderboard | 57.1% | — |
| GDP.pdf | — | 19.8% |

## Reasoning

- Command A: 18.3 (#283)
- DeepSeek V4.1 Flash: 50.2 (#36)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Hard Prompts | 1326 | 1483 |
| DTBench | 61.3% | 89.9% |
| LMCA | 10.3% | 47% |
| Kagi LLM Benchmark | 28.8% | — |
| NYT Connections (extended) | — | 89.6% |
| CritPt | — | 14.3% |
| Mystery Game Puzzles | — | 43% |
| Surface Evolver Bench | — | 46.3% |
| Epoch Capabilities Index | — | 154.9 |

## Math

- Command A: 36.2 (#171)
- DeepSeek V4.1 Flash: 66.7 (#25)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Math | 1300 | 1477 |
| FrontierMath (Tiers 1-3) | — | 67.4% |
| FrontierMath Tier 4 | — | 26.8% |
| OTIS Mock AIME 2024-2025 | — | 98.3% |
| ProofBench | — | 54% |

## Knowledge

- Command A: 37.1 (#159)
- DeepSeek V4.1 Flash: 57.9 (#38)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Expert | 1295 | 1506 |
| GPQA Diamond | — | 89.8% |
| Vectara Hallucination Rate | 9.3% | — |

## Multimodal

- Command A: —
- DeepSeek V4.1 Flash: 39.1 (#61)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Vision | — | 1277 |
| Furniture Assembly | — | 34.2% |

## Multilingual

- Command A: 45.3 (#170)
- DeepSeek V4.1 Flash: 55.0 (#35)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Non-English | 1313 | 1448 |
| LMArena Chinese | 1327 | 1497 |
| LMArena French | 1351 | 1452 |
| LMArena German | 1341 | 1484 |
| LMArena Japanese | 1285 | 1412 |
| LMArena Korean | 1285 | 1452 |
| LMArena Russian | 1314 | 1471 |
| LMArena Spanish | 1347 | 1459 |

## Instruction Following

- Command A: 69.1 (#177)
- DeepSeek V4.1 Flash: 77.3 (#26)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Instruction Following | 1309 | 1474 |

## Long Context

- Command A: 40.6 (#151)
- DeepSeek V4.1 Flash: 45.2 (#47)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Longer Query | 1334 | 1475 |

## Writing & Preference

- Command A: 47.6 (#208)
- DeepSeek V4.1 Flash: 65.4 (#48)

| Benchmark | Command A | DeepSeek V4.1 Flash |
|---|---|---|
| LMArena Text | 1331 | 1462 |
| LMArena Creative Writing | 1319 | 1435 |
| EQ-Bench Creative Writing | 1145 | 1540 |
| LMArena Multi-Turn | 1339 | 1457 |

## FAQ

### Is Command A better than DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash is the stronger model overall, scoring 52.8 to 36.5 on the Noometry Index.

### Which is cheaper, Command A or DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Command A lists at $2.50 and $10.

### Is Command A or DeepSeek V4.1 Flash better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.9 versus 27.2 in the Noometry coding category.

### Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 256K.

### How many benchmarks do Command A and DeepSeek V4.1 Flash share?

20 benchmarks have published results for both models. Command A has 24 scored results on Noometry and DeepSeek V4.1 Flash has 37.