# Command R+ vs GPT-5.5 Pro

> GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 32.0 on the Noometry Index. Command R+ costs 15× 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-plus-vs-gpt-5-5-pro
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 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 73.6 to 8.9.
- The biggest single-benchmark swing is SimpleBench: 17.4% for Command R+ and 76.9% for GPT-5.5 Pro.
- Command R+ is cheaper at $2.50 / $10 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 | 32.0 | 64.3 |
| Rank | 251 | 7 |
| Context | 128K | 1.05M |
| Input $/M | $2.50 | $30 |
| Output $/M | $10 | $180 |
| Weights | Open | Proprietary |

## Coding

- Command R+: 28.6 (#304)
- GPT-5.5 Pro: —

| Benchmark | Command R+ | GPT-5.5 Pro |
|---|---|---|
| BigCodeBench Instruct | 33.8% | — |
| LiveBench Coding | 19.1% | — |
| LMArena Coding | 1187 | — |
| BigCodeBench Complete | 41.9% | — |
| HumanEval+ | 56.7% | — |
| MBPP+ | 63.5% | — |

## Reasoning

- Command R+: 8.9 (#341)
- GPT-5.5 Pro: 73.6 (#7)

| Benchmark | Command R+ | GPT-5.5 Pro |
|---|---|---|
| SimpleBench | 17.4% | 76.9% |
| DTBench | 54.9% | 96% |
| LMCA | 5% | 53.9% |
| Epoch Capabilities Index | 119.28 | 162.45 |
| ARC-AGI-2 | — | 84.6% |
| ARC-AGI-1 | — | 96.5% |
| CritPt | — | 30.6% |
| Chess Puzzles | — | 64% |
| LiveBench Reasoning | 24.8% | — |
| LMArena Hard Prompts | 1186 | — |
| LiveBench Data Analysis | 38.1% | — |
| LiveBench | 31.8% | — |

## Math

- Command R+: 26.6 (#239)
- GPT-5.5 Pro: 83.8 (#8)

| 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 | 21.3% | — |
| LMArena Math | 1188 | — |
| FrontierMath (Feb 2025 set) | — | 52.4% |
| FrontierMath Tier 4 (v1) | — | 39.6% |

## Knowledge

- Command R+: 35.9 (#165)
- GPT-5.5 Pro: 64.2 (#17)

| Benchmark | Command R+ | GPT-5.5 Pro |
|---|---|---|
| GPQA Diamond | — | 93.9% |
| Vectara Hallucination Rate | 6.9% | — |
| LMArena Expert | 1174 | — |
| MMLU | 69.4% | — |

## Multilingual

- Command R+: 38.8 (#222)
- GPT-5.5 Pro: —

| Benchmark | Command R+ | GPT-5.5 Pro |
|---|---|---|
| LMArena Non-English | 1216 | — |
| LMArena Chinese | 1226 | — |
| LMArena French | 1208 | — |
| LMArena German | 1216 | — |
| LMArena Japanese | 1166 | — |
| LMArena Korean | 1138 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1189 | — |

## Instruction Following

- Command R+: 60.2 (#249)
- GPT-5.5 Pro: —

| Benchmark | Command R+ | GPT-5.5 Pro |
|---|---|---|
| LiveBench Instruction Following | 57.6% | — |
| LMArena Instruction Following | 1197 | — |

## Long Context

- Command R+: 37.3 (#214)
- GPT-5.5 Pro: —

| Benchmark | Command R+ | GPT-5.5 Pro |
|---|---|---|
| LMArena Longer Query | 1231 | — |

## Writing & Preference

- Command R+: 43.7 (#223)
- GPT-5.5 Pro: —

| Benchmark | Command R+ | GPT-5.5 Pro |
|---|---|---|
| LMArena Text | 1229 | — |
| LMArena Creative Writing | 1235 | — |
| LMArena Multi-Turn | 1213 | — |
| LiveBench Language | 29.7% | — |

## FAQ

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

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 32.0 on the Noometry Index. Command R+ costs 15× 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 $2.50 per million input tokens and $10 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?

4 benchmarks have published results for both models. Command R+ has 34 scored results on Noometry and GPT-5.5 Pro has 14.