Noometry

Model comparison

Command R+ vs Step 5 Preview

Step 5 Preview is the stronger model overall, scoring 47.9 to 32.4 on the Noometry Index.

Last verified . 13 shared benchmarks.

Command R+ Cohere

32.4

Rank #257 Confirmed

Step 5 Preview StepFun

47.9

Rank #58 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Command R+ scores higher in 0 categories and Step 5 Preview in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Step 5 Preview leads 40.0 to 9.2.
  • Step 5 Preview is cheaper at $1 / $2.70 per million input/output tokens, against $2.50 / $10 for Command R+.
  • Step 5 Preview accepts more context: 1.02M tokens versus 128K.
  • Command R+ has downloadable open weights; the other is API-only.

Side by side

Command R+Step 5 Preview
ProviderCohereStepFun
Noometry Index32.447.9
Released2024-08-302026-09-16
WeightsOpenProprietary
Context window128K1.02M
Max output4K66K
Input $ / M tokens$2.50$1
Output $ / M tokens$10$2.70
Results tracked3418

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Category by category

Coding Step 5 Preview leads

Command R+: 29.1 (#309), Step 5 Preview: 51.8 (#36)

BenchmarkCommand R+Step 5 Preview
LMArena Coding11871480
LMArena WebDev—1564
SciCode—58.9%
BigCodeBench Instruct33.8%—
LiveBench Coding19.1%—
BigCodeBench Complete41.9%—
HumanEval+56.7%—
MBPP+63.5%—

Reasoning Step 5 Preview leads

Command R+: 9.2 (#344), Step 5 Preview: 40.0 (#57)

BenchmarkCommand R+Step 5 Preview
LMArena Hard Prompts11861465
SimpleBench17.4%—
CritPt—20.9%
LiveBench Reasoning24.8%—
DTBench54.9%—
LiveBench Data Analysis38.1%—
LMCA5%—
Epoch Capabilities Index119.34—
LiveBench31.8%—

Math Step 5 Preview leads

Command R+: 28.9 (#242), Step 5 Preview: 46.1 (#72)

BenchmarkCommand R+Step 5 Preview
LMArena Math11881470
ProofBench—42%
LiveBench Math21.3%—

Knowledge Step 5 Preview leads

Command R+: 36.4 (#169), Step 5 Preview: 41.2 (#112)

BenchmarkCommand R+Step 5 Preview
LMArena Expert11741470
Vectara Hallucination Rate6.9%—
MMLU69.4%—

Multimodal Not comparable

Command R+: —, Step 5 Preview: 41.0 (#41)

BenchmarkCommand R+Step 5 Preview
LMArena Vision—1267

Multilingual Step 5 Preview leads

Command R+: 38.6 (#227), Step 5 Preview: 53.8 (#54)

BenchmarkCommand R+Step 5 Preview
LMArena Non-English12161432
LMArena Chinese12261519
LMArena Russian12271436
LMArena Spanish11891439
LMArena French1209—
LMArena German1216—
LMArena Japanese1166—
LMArena Korean1138—

Instruction Following Step 5 Preview leads

Command R+: 60.0 (#254), Step 5 Preview: 76.0 (#50)

BenchmarkCommand R+Step 5 Preview
LMArena Instruction Following11971444
LiveBench Instruction Following57.6%—

Long Context Step 5 Preview leads

Command R+: 37.3 (#219), Step 5 Preview: 44.5 (#64)

BenchmarkCommand R+Step 5 Preview
LMArena Longer Query12301455

Writing & Preference Step 5 Preview leads

Command R+: 43.5 (#228), Step 5 Preview: 62.8 (#71)

BenchmarkCommand R+Step 5 Preview
LMArena Text12291442
LMArena Creative Writing12351410
LMArena Multi-Turn12131447
LiveBench Language29.7%—

Frequently asked questions

Is Command R+ better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 47.9 to 32.4 on the Noometry Index.

Which is cheaper, Command R+ or Step 5 Preview?

Step 5 Preview is cheaper. It lists at $1 per million input tokens and $2.70 per million output tokens; Command R+ lists at $2.50 and $10.

Is Command R+ or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 51.8 versus 29.1 in the Noometry coding category.

Which has the bigger context window?

Step 5 Preview does, with 1.02M tokens against 128K.

How many benchmarks do Command R+ and Step 5 Preview share?

13 benchmarks have published results for both models. Command R+ has 34 scored results on Noometry and Step 5 Preview has 18.

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