# Command A vs GPT-5.5 Instant

> GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 36.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/command-a-vs-gpt-5-5-instant
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Command A scores higher in 1 category and GPT-5.5 Instant in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where GPT-5.5 Instant leads 44.3 to 27.2.
- Command A has downloadable open weights; the other is API-only.

## Snapshot

| | Command A | GPT-5.5 Instant |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 36.5 | 42.7 |
| Rank | 215 | 110 |
| Context | 256K | — |
| Input $/M | $2.50 | — |
| Output $/M | $10 | — |
| Weights | Open | Proprietary |

## Coding

- Command A: 27.2 (#322)
- GPT-5.5 Instant: 44.3 (#74)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1330 | 1433 |
| Aider Polyglot | 12% | — |
| SciCode | — | 48.6% |

## Agentic & Tool Use

- Command A: 35.9 (#40)
- GPT-5.5 Instant: —

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| Berkeley Function Calling Leaderboard | 57.1% | — |

## Reasoning

- Command A: 18.3 (#283)
- GPT-5.5 Instant: 24.9 (#155)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1326 | 1426 |
| Kagi LLM Benchmark | 28.8% | — |
| CritPt | — | 0% |
| Chess Puzzles | — | 12% |
| DTBench | 61.3% | — |
| LMCA | 10.3% | — |
| Epoch Capabilities Index | — | 142.52 |

## Math

- Command A: 36.2 (#171)
- GPT-5.5 Instant: 26.5 (#259)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Math | 1300 | 1420 |
| FrontierMath (Tiers 1-3) | — | 26.3% |
| FrontierMath Tier 4 | — | 2.4% |
| OTIS Mock AIME 2024-2025 | — | 68.1% |

## Knowledge

- Command A: 37.1 (#159)
- GPT-5.5 Instant: 48.9 (#74)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Expert | 1295 | 1409 |
| GPQA Diamond | — | 82.5% |
| Vectara Hallucination Rate | 9.3% | — |

## Multimodal

- Command A: —
- GPT-5.5 Instant: 40.0 (#52)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |

## Multilingual

- Command A: 45.3 (#170)
- GPT-5.5 Instant: 52.8 (#80)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1313 | 1417 |
| LMArena Chinese | 1327 | 1456 |
| LMArena French | 1351 | 1428 |
| LMArena German | 1341 | 1411 |
| LMArena Japanese | 1285 | 1408 |
| LMArena Korean | 1285 | 1392 |
| LMArena Russian | 1314 | 1431 |
| LMArena Spanish | 1347 | 1429 |

## Instruction Following

- Command A: 69.1 (#177)
- GPT-5.5 Instant: 74.2 (#100)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1309 | 1406 |

## Long Context

- Command A: 40.6 (#151)
- GPT-5.5 Instant: 43.4 (#96)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1334 | 1422 |

## Writing & Preference

- Command A: 47.6 (#208)
- GPT-5.5 Instant: 61.8 (#85)

| Benchmark | Command A | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1331 | 1419 |
| LMArena Creative Writing | 1319 | 1419 |
| LMArena Multi-Turn | 1339 | 1433 |
| EQ-Bench Creative Writing | 1145 | — |

## FAQ

### Is Command A better than GPT-5.5 Instant?

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 36.5 on the Noometry Index.

### Is Command A or GPT-5.5 Instant better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 27.2 in the Noometry coding category.

### How many benchmarks do Command A and GPT-5.5 Instant share?

17 benchmarks have published results for both models. Command A has 24 scored results on Noometry and GPT-5.5 Instant has 27.