# Command A vs Grok 4.5

> Grok 4.5 is the stronger model overall, scoring 55.0 to 36.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/command-a-vs-grok-4-5
- Last updated: 2026-10-11
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Command A scores higher in 0 categories and Grok 4.5 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.5 leads 56.1 to 18.3.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 28.8% for Command A and 83.5% for Grok 4.5.
- Grok 4.5 is cheaper at $2 / $6 per million input/output tokens, against $2.50 / $10 for Command A.
- Grok 4.5 accepts more context: 500K tokens versus 256K.
- Command A has downloadable open weights; the other is API-only.

## Snapshot

| | Command A | Grok 4.5 |
|---|---|---|
| Provider | Cohere | xAI |
| Noometry Index | 36.5 | 55.0 |
| Rank | 215 | 25 |
| Context | 256K | 500K |
| Input $/M | $2.50 | $2 |
| Output $/M | $10 | $6 |
| Weights | Open | Proprietary |

## Coding

- Command A: 27.2 (#322)
- Grok 4.5: 52.2 (#35)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Coding | 1330 | 1474 |
| DeepSWE | — | 53.8% |
| FrontierCode | — | 42.4% |
| Aider Polyglot | 12% | — |
| LMArena WebDev | — | 1553 |
| SciCode | — | 54.1% |
| WeirdML | — | 46.4% |
| ALE-Bench | — | 1,309 |

## Agentic & Tool Use

- Command A: 35.9 (#40)
- Grok 4.5: 44.4 (#17)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| APEX-Agents | — | 56.2% |
| Berkeley Function Calling Leaderboard | 57.1% | — |
| τ²-bench Banking | — | 47.9% |
| PostTrainBench | — | 23.4% |
| GBAEval | — | 65.4% |
| GDP.pdf | — | 14% |
| LMArena Search | — | 1213 |
| Vending-Bench 2 | — | 3,887 |

## Reasoning

- Command A: 18.3 (#283)
- Grok 4.5: 56.1 (#25)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| Kagi LLM Benchmark | 28.8% | 83.5% |
| LMArena Hard Prompts | 1326 | 1462 |
| DTBench | 61.3% | 96.5% |
| LMCA | 10.3% | 45.2% |
| ARC-AGI-2 | — | 52.6% |
| SimpleBench | — | 70% |
| NYT Connections (extended) | — | 79.9% |
| ARC-AGI-1 | — | 87.2% |
| CritPt | — | 15.4% |
| Chess Puzzles | — | 36% |
| Surface Evolver Bench | — | 74.4% |
| Epoch Capabilities Index | — | 153.92 |

## Math

- Command A: 36.2 (#171)
- Grok 4.5: 60.9 (#35)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Math | 1300 | 1459 |
| FrontierMath (Tiers 1-3) | — | 57.2% |
| FrontierMath Tier 4 | — | 24.4% |
| OTIS Mock AIME 2024-2025 | — | 97.8% |
| ProofBench | — | 31% |

## Knowledge

- Command A: 37.1 (#159)
- Grok 4.5: 62.3 (#24)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Expert | 1295 | 1466 |
| GPQA Diamond | — | 93.4% |
| SimpleQA Verified | — | 48.3% |
| Vectara Hallucination Rate | 9.3% | — |

## Multimodal

- Command A: —
- Grok 4.5: 37.6 (#72)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Vision | — | 1288 |
| Blueprint-Bench 2 | — | 27.3% |
| Furniture Assembly | — | 22.5% |
| LMArena Document | — | 1452 |

## Multilingual

- Command A: 45.3 (#170)
- Grok 4.5: 54.4 (#42)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Non-English | 1313 | 1440 |
| LMArena Chinese | 1327 | 1496 |
| LMArena French | 1351 | 1456 |
| LMArena German | 1341 | 1446 |
| LMArena Japanese | 1285 | 1428 |
| LMArena Korean | 1285 | 1404 |
| LMArena Russian | 1314 | 1448 |
| LMArena Spanish | 1347 | 1450 |

## Instruction Following

- Command A: 69.1 (#177)
- Grok 4.5: 76.0 (#48)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Instruction Following | 1309 | 1446 |

## Long Context

- Command A: 40.6 (#151)
- Grok 4.5: 44.8 (#56)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Longer Query | 1334 | 1463 |

## Writing & Preference

- Command A: 47.6 (#208)
- Grok 4.5: 65.8 (#42)

| Benchmark | Command A | Grok 4.5 |
|---|---|---|
| LMArena Text | 1331 | 1448 |
| LMArena Creative Writing | 1319 | 1442 |
| EQ-Bench Creative Writing | 1145 | 1579 |
| LMArena Multi-Turn | 1339 | 1456 |

## FAQ

### Is Command A better than Grok 4.5?

Grok 4.5 is the stronger model overall, scoring 55.0 to 36.5 on the Noometry Index.

### Which is cheaper, Command A or Grok 4.5?

Grok 4.5 is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Command A lists at $2.50 and $10.

### Is Command A or Grok 4.5 better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 27.2 in the Noometry coding category.

### Which has the bigger context window?

Grok 4.5 does, with 500K tokens against 256K.

### How many benchmarks do Command A and Grok 4.5 share?

21 benchmarks have published results for both models. Command A has 24 scored results on Noometry and Grok 4.5 has 52.