# Command R+ vs GPT-5.3 Chat

> GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 32.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/command-r-plus-vs-gpt-5-3-chat
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Command R+ scores higher in 0 categories and GPT-5.3 Chat in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.3 Chat leads 63.3 to 43.7.
- Command R+ is cheaper at $2.50 / $10 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
- Command R+ has downloadable open weights; the other is API-only.

## Snapshot

| | Command R+ | GPT-5.3 Chat |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 32.0 | 42.1 |
| Rank | 251 | 109 |
| Context | 128K | 128K |
| Input $/M | $2.50 | $1.75 |
| Output $/M | $10 | $14 |
| Weights | Open | Proprietary |

## Coding

- Command R+: 28.6 (#304)
- GPT-5.3 Chat: 40.8 (#124)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Coding | 1187 | 1408 |
| BigCodeBench Instruct | 33.8% | — |
| LiveBench Coding | 19.1% | — |
| BigCodeBench Complete | 41.9% | — |
| HumanEval+ | 56.7% | — |
| MBPP+ | 63.5% | — |

## Reasoning

- Command R+: 8.9 (#341)
- GPT-5.3 Chat: 27.3 (#105)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Hard Prompts | 1186 | 1399 |
| SimpleBench | 17.4% | — |
| LiveBench Reasoning | 24.8% | — |
| DTBench | 54.9% | — |
| LiveBench Data Analysis | 38.1% | — |
| LMCA | 5% | — |
| Epoch Capabilities Index | 119.28 | — |
| LiveBench | 31.8% | — |

## Math

- Command R+: 26.6 (#239)
- GPT-5.3 Chat: 35.4 (#146)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Math | 1188 | 1389 |
| LiveBench Math | 21.3% | — |

## Knowledge

- Command R+: 35.9 (#165)
- GPT-5.3 Chat: 38.2 (#137)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Expert | 1174 | 1397 |
| Vectara Hallucination Rate | 6.9% | — |
| MMLU | 69.4% | — |

## Multilingual

- Command R+: 38.8 (#222)
- GPT-5.3 Chat: 50.5 (#119)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Non-English | 1216 | 1383 |
| LMArena Chinese | 1226 | 1433 |
| LMArena French | 1208 | 1398 |
| LMArena German | 1216 | 1384 |
| LMArena Japanese | 1166 | 1351 |
| LMArena Korean | 1138 | 1347 |
| LMArena Russian | 1227 | 1400 |
| LMArena Spanish | 1189 | 1371 |

## Instruction Following

- Command R+: 60.2 (#249)
- GPT-5.3 Chat: 73.0 (#124)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Instruction Following | 1197 | 1378 |
| LiveBench Instruction Following | 57.6% | — |

## Long Context

- Command R+: 37.3 (#214)
- GPT-5.3 Chat: 42.6 (#115)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Longer Query | 1231 | 1396 |

## Writing & Preference

- Command R+: 43.7 (#223)
- GPT-5.3 Chat: 63.3 (#65)

| Benchmark | Command R+ | GPT-5.3 Chat |
|---|---|---|
| LMArena Text | 1229 | 1389 |
| LMArena Creative Writing | 1235 | 1356 |
| LMArena Multi-Turn | 1213 | 1413 |
| EQ-Bench Creative Writing | — | 1690 |
| LiveBench Language | 29.7% | — |

## FAQ

### Is Command R+ better than GPT-5.3 Chat?

GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 32.0 on the Noometry Index.

### Which is cheaper, Command R+ or GPT-5.3 Chat?

Command R+ is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

### Is Command R+ or GPT-5.3 Chat better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 40.8 versus 28.6 in the Noometry coding category.

### Which has the bigger context window?

Both accept 128K tokens.

### How many benchmarks do Command R+ and GPT-5.3 Chat share?

17 benchmarks have published results for both models. Command R+ has 34 scored results on Noometry and GPT-5.3 Chat has 18.