Model comparison
Command R+ vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.3 to 32.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
Cohere
MetaSummary
- They share 17 benchmarks with published results for both. Command R+ scores higher in 0 categories and Muse Spark in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 35.9.
- Command R+ has downloadable open weights; the other is API-only.
Side by side
| Command R+ | Muse Spark | |
|---|---|---|
| Provider | Cohere | Meta |
| Noometry Index | 32.0 | 50.3 |
| Released | 2024-08-30 | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | 128K | — |
| Max output | 4K | — |
| Input $ / M tokens | $2.50 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 34 | 27 |
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Category by category
Coding Muse Spark leads
Command R+: 28.6 (#304), Muse Spark: 45.6 (#65)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Coding | 1187 | 1482 |
| SciCode | — | 51.5% |
| BigCodeBench Instruct | 33.8% | — |
| LiveBench Coding | 19.1% | — |
| BigCodeBench Complete | 41.9% | — |
| HumanEval+ | 56.7% | — |
| MBPP+ | 63.5% | — |
Reasoning Muse Spark leads
Command R+: 8.9 (#341), Muse Spark: 34.9 (#61)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1186 | 1475 |
| Epoch Capabilities Index | 119.28 | 152.09 |
| SimpleBench | 17.4% | — |
| CritPt | — | 11.3% |
| LiveBench Reasoning | 24.8% | — |
| DTBench | 54.9% | — |
| LiveBench Data Analysis | 38.1% | — |
| LMCA | 5% | — |
| LiveBench | 31.8% | — |
Math Muse Spark leads
Command R+: 26.6 (#239), Muse Spark: 46.8 (#57)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Math | 1188 | 1455 |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 17% |
| LiveBench Math | 21.3% | — |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Muse Spark leads
Command R+: 35.9 (#165), Muse Spark: 65.7 (#12)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Expert | 1174 | 1458 |
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
| Vectara Hallucination Rate | 6.9% | — |
| MMLU | 69.4% | — |
Multimodal Not comparable
Command R+: —, Muse Spark: 42.7 (#23)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |
Multilingual Muse Spark leads
Command R+: 38.8 (#222), Muse Spark: 56.3 (#23)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Non-English | 1216 | 1464 |
| LMArena Chinese | 1226 | 1507 |
| LMArena French | 1208 | 1497 |
| LMArena German | 1216 | 1497 |
| LMArena Korean | 1138 | 1457 |
| LMArena Russian | 1227 | 1467 |
| LMArena Spanish | 1189 | 1471 |
| LMArena Japanese | 1166 | — |
Instruction Following Muse Spark leads
Command R+: 60.2 (#249), Muse Spark: 76.1 (#47)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1197 | 1443 |
| LiveBench Instruction Following | 57.6% | — |
Long Context Muse Spark leads
Command R+: 37.3 (#214), Muse Spark: 44.4 (#65)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1231 | 1451 |
Writing & Preference Muse Spark leads
Command R+: 43.7 (#223), Muse Spark: 66.2 (#37)
| Benchmark | Command R+ | Muse Spark |
|---|---|---|
| LMArena Text | 1229 | 1474 |
| LMArena Creative Writing | 1235 | 1460 |
| LMArena Multi-Turn | 1213 | 1477 |
| LiveBench Language | 29.7% | — |
Frequently asked questions
Is Command R+ better than Muse Spark?
Muse Spark is the stronger model overall, scoring 50.3 to 32.0 on the Noometry Index.
Is Command R+ or Muse Spark better for coding?
Muse Spark scores higher on coding benchmarks: 45.6 versus 28.6 in the Noometry coding category.
How many benchmarks do Command R+ and Muse Spark share?
17 benchmarks have published results for both models. Command R+ has 34 scored results on Noometry and Muse Spark has 27.