# Command A vs GPT-4.1 nano

> Command A is the stronger model overall, scoring 35.9 to 27.7 on the Noometry Index. GPT-4.1 nano costs 25× less per token, which makes it the better buy when Command A's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/command-a-vs-gpt-4-1-nano
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Command A scores higher in 9 categories and GPT-4.1 nano in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in long context, where Command A leads 40.6 to 23.7.
- The biggest single-benchmark swing is Berkeley Function Calling Leaderboard: 57.1% for Command A and 33% for GPT-4.1 nano.
- GPT-4.1 nano is cheaper at $0.10 / $0.40 per million input/output tokens, against $2.50 / $10 for Command A.
- GPT-4.1 nano accepts more context: 1.05M tokens versus 256K.
- Command A has downloadable open weights; the other is API-only.

## Snapshot

| | Command A | GPT-4.1 nano |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 35.9 | 27.7 |
| Rank | 212 | 322 |
| Context | 256K | 1.05M |
| Input $/M | $2.50 | $0.10 |
| Output $/M | $10 | $0.40 |
| Weights | Open | Proprietary |

## Coding

- Command A: 26.8 (#317)
- GPT-4.1 nano: 23.8 (#325)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| Aider Polyglot | 12% | 8.9% |
| LMArena Coding | 1331 | 1306 |
| SciCode | — | 25.9% |
| WeirdML | — | 19% |

## Agentic & Tool Use

- Command A: 35.7 (#36)
- GPT-4.1 nano: 26.3 (#98)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| Berkeley Function Calling Leaderboard | 57.1% | 33% |

## Reasoning

- Command A: 17.7 (#276)
- GPT-4.1 nano: 8.6 (#344)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| Kagi LLM Benchmark | 28.8% | 33.3% |
| LMArena Hard Prompts | 1326 | 1286 |
| DTBench | 61.3% | 52.5% |
| LMCA | 10.3% | 5.5% |
| ARC-AGI-2 | — | 0% |
| ARC-AGI-1 | — | 0% |
| CritPt | — | 0% |
| Epoch Capabilities Index | — | 129.62 |

## Math

- Command A: 33.5 (#172)
- GPT-4.1 nano: 25.5 (#246)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| LMArena Math | 1300 | 1274 |
| OTIS Mock AIME 2024-2025 | — | 28.9% |
| Omni-MATH | — | 36.7% |
| MATH Level 5 | — | 70% |
| FrontierMath (Feb 2025 set) | — | 1% |

## Knowledge

- Command A: 36.5 (#157)
- GPT-4.1 nano: 21.8 (#268)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| LMArena Expert | 1295 | 1272 |
| GPQA Diamond | — | 48.9% |
| SimpleQA Verified | — | 6% |
| MMLU-Pro | — | 55% |
| Vectara Hallucination Rate | 9.3% | — |
| GPQA (HELM) | — | 50.7% |

## Multimodal

- Command A: —
- GPT-4.1 nano: 28.6 (#108)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| LMArena Vision | — | 1063 |

## Multilingual

- Command A: 45.5 (#166)
- GPT-4.1 nano: 41.8 (#200)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| LMArena Non-English | 1313 | 1260 |
| LMArena Chinese | 1327 | 1270 |
| LMArena German | 1341 | 1288 |
| LMArena Japanese | 1283 | 1199 |
| LMArena Russian | 1314 | 1261 |
| LMArena French | 1352 | — |
| LMArena Korean | 1285 | — |
| LMArena Spanish | 1346 | — |

## Instruction Following

- Command A: 69.3 (#172)
- GPT-4.1 nano: 68.0 (#188)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| LMArena Instruction Following | 1309 | 1267 |
| IFEval | — | 84.3% |

## Long Context

- Command A: 40.6 (#147)
- GPT-4.1 nano: 23.7 (#291)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| LMArena Longer Query | 1334 | 1283 |
| Fiction.LiveBench | — | 25% |

## Writing & Preference

- Command A: 47.8 (#204)
- GPT-4.1 nano: 40.7 (#238)

| Benchmark | Command A | GPT-4.1 nano |
|---|---|---|
| LMArena Text | 1331 | 1285 |
| LMArena Creative Writing | 1319 | 1260 |
| EQ-Bench Creative Writing | 1145 | 946 |
| LMArena Multi-Turn | 1338 | 1277 |
| WildBench | — | 81.2% |

## FAQ

### Is Command A better than GPT-4.1 nano?

Command A is the stronger model overall, scoring 35.9 to 27.7 on the Noometry Index. GPT-4.1 nano costs 25× less per token, which makes it the better buy when Command A's lead doesn't matter for your workload.

### Which is cheaper, Command A or GPT-4.1 nano?

GPT-4.1 nano is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; Command A lists at $2.50 and $10.

### Is Command A or GPT-4.1 nano better for coding?

Command A scores higher on coding benchmarks: 26.8 versus 23.8 in the Noometry coding category.

### Which has the bigger context window?

GPT-4.1 nano does, with 1.05M tokens against 256K.

### How many benchmarks do Command A and GPT-4.1 nano share?

20 benchmarks have published results for both models. Command A has 24 scored results on Noometry and GPT-4.1 nano has 38.