# Claude Sonnet 4 vs Command A

> Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 36.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-sonnet-4-vs-command-a
- Last updated: 2026-10-11
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Claude Sonnet 4 scores higher in 8 categories and Command A in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in coding, where Claude Sonnet 4 leads 43.5 to 27.2.
- The biggest single-benchmark swing is Aider Polyglot: 61.3% for Claude Sonnet 4 and 12% for Command A.
- Command A is cheaper at $2.50 / $10 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.
- Command A accepts more context: 256K tokens versus 200K.
- Command A has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Sonnet 4 | Command A |
|---|---|---|
| Provider | Anthropic | Cohere |
| Noometry Index | 40.8 | 36.5 |
| Rank | 145 | 215 |
| Context | 200K | 256K |
| Input $/M | $3 | $2.50 |
| Output $/M | $15 | $10 |
| Weights | Proprietary | Open |

## Coding

- Claude Sonnet 4: 43.5 (#88)
- Command A: 27.2 (#322)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| Aider Polyglot | 61.3% | 12% |
| LMArena Coding | 1414 | 1330 |
| SWE-bench Verified (bash only) | 64.9% | — |
| SciCode | 40% | — |
| GSO | 4.9% | — |
| WeirdML | 46.1% | — |
| ALE-Bench | 655.35 | — |

## Agentic & Tool Use

- Claude Sonnet 4: 38.5 (#31)
- Command A: 35.9 (#40)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 57.1% |
| TheAgentCompany | 33.1% | — |
| Cybench | 35% | — |
| DeepResearch Bench | 46.6% | — |
| OSWorld | 43.9% | — |
| METR Time Horizons | 62% | — |

## Reasoning

- Claude Sonnet 4: 22.9 (#187)
- Command A: 18.3 (#283)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| Kagi LLM Benchmark | 73% | 28.8% |
| LMArena Hard Prompts | 1372 | 1326 |
| DTBench | 77.1% | 61.3% |
| LMCA | 29% | 10.3% |
| ARC-AGI-2 | 5.9% | — |
| SimpleBench | 45.5% | — |
| ARC-AGI-1 | 40% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 3.1% | — |
| Epoch Capabilities Index | 141.69 | — |
| ForecastBench | 60.2 | — |

## Math

- Claude Sonnet 4: 43.3 (#80)
- Command A: 36.2 (#171)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| LMArena Math | 1375 | 1300 |
| OTIS Mock AIME 2024-2025 | 71.1% | — |
| Omni-MATH | 60.2% | — |
| MATH Level 5 | 84.4% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Claude Sonnet 4: 41.8 (#108)
- Command A: 37.1 (#159)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| Vectara Hallucination Rate | 10.3% | 9.3% |
| LMArena Expert | 1372 | 1295 |
| GPQA Diamond | 79.2% | — |
| Humanity's Last Exam | 7.8% | — |
| MMLU-Pro | 84.3% | — |
| Confabulations | 13.2% | — |
| GPQA (HELM) | 70.6% | — |

## Multimodal

- Claude Sonnet 4: 26.2 (#121)
- Command A: —

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| LMArena Vision | 1191 | — |
| GeoBench | 37% | — |
| VPCT | 34% | — |
| MindCube | 44.8% | — |

## Multilingual

- Claude Sonnet 4: 46.7 (#156)
- Command A: 45.3 (#170)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| LMArena Non-English | 1333 | 1313 |
| LMArena Chinese | 1350 | 1327 |
| LMArena French | 1363 | 1351 |
| LMArena German | 1331 | 1341 |
| LMArena Japanese | 1302 | 1285 |
| LMArena Korean | 1291 | 1285 |
| LMArena Russian | 1355 | 1314 |
| LMArena Spanish | 1357 | 1347 |

## Instruction Following

- Claude Sonnet 4: 71.7 (#145)
- Command A: 69.1 (#177)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| LMArena Instruction Following | 1376 | 1309 |
| IFEval | 84% | — |

## Long Context

- Claude Sonnet 4: 33.7 (#259)
- Command A: 40.6 (#151)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| LMArena Longer Query | 1398 | 1334 |
| Fiction.LiveBench | 46.9% | — |

## Writing & Preference

- Claude Sonnet 4: 57.1 (#132)
- Command A: 47.6 (#208)

| Benchmark | Claude Sonnet 4 | Command A |
|---|---|---|
| LMArena Text | 1351 | 1331 |
| LMArena Creative Writing | 1345 | 1319 |
| EQ-Bench Creative Writing | 1483 | 1145 |
| LMArena Multi-Turn | 1376 | 1339 |
| Short-Story Creative Writing | 81.4% | — |
| WildBench | 83.8% | — |

## FAQ

### Is Claude Sonnet 4 better than Command A?

Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 36.5 on the Noometry Index.

### Which is cheaper, Claude Sonnet 4 or Command A?

Command A is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; Claude Sonnet 4 lists at $3 and $15.

### Is Claude Sonnet 4 or Command A better for coding?

Claude Sonnet 4 scores higher on coding benchmarks: 43.5 versus 27.2 in the Noometry coding category.

### Which has the bigger context window?

Command A does, with 256K tokens against 200K.

### How many benchmarks do Claude Sonnet 4 and Command A share?

23 benchmarks have published results for both models. Claude Sonnet 4 has 58 scored results on Noometry and Command A has 24.