# Command R vs GPT-5.5 Pro

> GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.4 on the Noometry Index. Command R costs 257× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/command-r-vs-gpt-5-5-pro
- Last updated: 2026-10-11
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Command R scores higher in 0 categories and GPT-5.5 Pro in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.5 Pro leads 73.3 to 13.8.
- The biggest single-benchmark swing is DTBench: 46.4% for Command R and 96% for GPT-5.5 Pro.
- Command R is cheaper at $0.15 / $0.60 per million input/output tokens, against $30 / $180 for GPT-5.5 Pro.
- GPT-5.5 Pro accepts more context: 1.05M tokens versus 128K.
- Command R has downloadable open weights; the other is API-only.

## Snapshot

| | Command R | GPT-5.5 Pro |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 31.4 | 64.3 |
| Rank | 272 | 8 |
| Context | 128K | 1.05M |
| Input $/M | $0.15 | $30 |
| Output $/M | $0.60 | $180 |
| Weights | Open | Proprietary |

## Coding

- Command R: 29.3 (#306)
- GPT-5.5 Pro: —

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| BigCodeBench Instruct | 37.1% | — |
| LiveBench Coding | 17.9% | — |
| LMArena Coding | 1169 | — |
| BigCodeBench Complete | 45.2% | — |

## Reasoning

- Command R: 13.8 (#331)
- GPT-5.5 Pro: 73.3 (#10)

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| DTBench | 46.4% | 96% |
| LMCA | 9.2% | 53.9% |
| ARC-AGI-2 | — | 84.6% |
| SimpleBench | — | 76.9% |
| ARC-AGI-1 | — | 96.5% |
| CritPt | — | 30.6% |
| Chess Puzzles | — | 64% |
| LiveBench Reasoning | 21.9% | — |
| LMArena Hard Prompts | 1164 | — |
| LiveBench Data Analysis | 33.3% | — |
| Epoch Capabilities Index | — | 162.07 |
| LiveBench | 27.5% | — |

## Math

- Command R: 28.0 (#246)
- GPT-5.5 Pro: 84.0 (#10)

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 87.7% |
| FrontierMath Tier 4 | — | 78% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| LiveBench Math | 19.4% | — |
| LMArena Math | 1155 | — |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |

## Knowledge

- Command R: 31.0 (#221)
- GPT-5.5 Pro: 64.1 (#19)

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | — | 93.9% |
| LMArena Expert | 1138 | — |
| MMLU | 65.2% | — |

## Multilingual

- Command R: 35.7 (#245)
- GPT-5.5 Pro: —

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| LMArena Non-English | 1174 | — |
| LMArena Chinese | 1182 | — |
| LMArena French | 1162 | — |
| LMArena German | 1176 | — |
| LMArena Japanese | 1143 | — |
| LMArena Korean | 1163 | — |
| LMArena Russian | 1174 | — |
| LMArena Spanish | 1151 | — |

## Instruction Following

- Command R: 58.1 (#261)
- GPT-5.5 Pro: —

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| LiveBench Instruction Following | 55.6% | — |
| LMArena Instruction Following | 1167 | — |

## Long Context

- Command R: 36.3 (#231)
- GPT-5.5 Pro: —

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| LMArena Longer Query | 1198 | — |

## Writing & Preference

- Command R: 38.2 (#254)
- GPT-5.5 Pro: —

| Benchmark | Command R | GPT-5.5 Pro |
|---|---|---|
| LMArena Text | 1187 | — |
| LMArena Creative Writing | 1170 | — |
| LMArena Multi-Turn | 1163 | — |
| LiveBench Language | 16.7% | — |

## FAQ

### Is Command R better than GPT-5.5 Pro?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.4 on the Noometry Index. Command R costs 257× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.

### Which is cheaper, Command R or GPT-5.5 Pro?

Command R is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; GPT-5.5 Pro lists at $30 and $180.

### Which has the bigger context window?

GPT-5.5 Pro does, with 1.05M tokens against 128K.

### How many benchmarks do Command R and GPT-5.5 Pro share?

2 benchmarks have published results for both models. Command R has 29 scored results on Noometry and GPT-5.5 Pro has 14.