Noometry

Model comparison

Claude Opus 4 vs Command R+

Claude Opus 4 is the stronger model overall, scoring 43.1 to 32.4 on the Noometry Index. Command R+ costs 6.9× less per token, which makes it the better buy when Claude Opus 4's lead doesn't matter for your workload.

Last verified . 22 shared benchmarks.

Claude Opus 4 Anthropic

43.1

Rank #100 Confirmed

Command R+ Cohere

32.4

Rank #257 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude Opus 4 scores higher in 8 categories and Command R+ in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Claude Opus 4 leads 47.2 to 29.1.
  • The biggest single-benchmark swing is SimpleBench: 58.8% for Claude Opus 4 and 17.4% for Command R+.
  • Command R+ is cheaper at $2.50 / $10 per million input/output tokens, against $15 / $75 for Claude Opus 4.
  • Claude Opus 4 accepts more context: 200K tokens versus 128K.
  • Command R+ has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4Command R+
ProviderAnthropicCohere
Noometry Index43.132.4
Released2025-05-222024-08-30
WeightsProprietaryOpen
Context window200K128K
Max output32K4K
Input $ / M tokens$15$2.50
Output $ / M tokens$75$10
Results tracked5634

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Category by category

Coding Claude Opus 4 leads

Claude Opus 4: 47.2 (#62), Command R+: 29.1 (#309)

BenchmarkClaude Opus 4Command R+
LMArena Coding14421187
SWE-bench Verified70.7%—
SWE-bench Verified (bash only)67.6%—
Aider Polyglot72%—
GSO6.9%—
WeirdML43.7%—
BigCodeBench Instruct—33.8%
LiveBench Coding—19.1%
BigCodeBench Complete—41.9%
AlgoTune1.33—
HumanEval+—56.7%
MBPP+—63.5%

Agentic & Tool Use Not comparable

Claude Opus 4: 34.8 (#42), Command R+: —

BenchmarkClaude Opus 4Command R+
Cybench38%—
DeepResearch Bench46.8%—
LMArena Search1127—
METR Time Horizons63.9%—

Reasoning Claude Opus 4 leads

Claude Opus 4: 27.3 (#121), Command R+: 9.2 (#344)

BenchmarkClaude Opus 4Command R+
SimpleBench58.8%17.4%
LMArena Hard Prompts13991186
DTBench81.6%54.9%
LMCA37.4%5%
Epoch Capabilities Index142.67119.34
ARC-AGI-28.6%—
Kagi LLM Benchmark74.3%—
ARC-AGI-135.7%—
CritPt0.3%—
EnigmaEval5.6%—
LiveBench Reasoning—24.8%
LiveBench Data Analysis—38.1%
ForecastBench61.1—
LiveBench—31.8%

Math Claude Opus 4 leads

Claude Opus 4: 42.0 (#86), Command R+: 28.9 (#242)

BenchmarkClaude Opus 4Command R+
LMArena Math13901188
OTIS Mock AIME 2024-202564.4%—
Omni-MATH61.6%—
LiveBench Math—21.3%
MATH Level 585%—
FrontierMath (Feb 2025 set)4.5%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4 leads

Claude Opus 4: 44.0 (#88), Command R+: 36.4 (#169)

BenchmarkClaude Opus 4Command R+
Vectara Hallucination Rate12%6.9%
LMArena Expert13861174
GPQA Diamond76.3%—
Humanity's Last Exam10.7%—
MMLU-Pro87.5%—
Confabulations15.9%—
GPQA (HELM)70.8%—
MMLU—69.4%

Multimodal Not comparable

Claude Opus 4: 31.5 (#106), Command R+: —

BenchmarkClaude Opus 4Command R+
LMArena Vision1192—
GeoBench49%—
VPCT38%—

Multilingual Claude Opus 4 leads

Claude Opus 4: 48.8 (#138), Command R+: 38.6 (#227)

BenchmarkClaude Opus 4Command R+
LMArena Non-English13621216
LMArena Chinese13861226
LMArena French13721209
LMArena German13911216
LMArena Japanese13311166
LMArena Korean13211138
LMArena Russian13921227
LMArena Spanish13891189

Instruction Following Claude Opus 4 leads

Claude Opus 4: 77.1 (#28), Command R+: 60.0 (#254)

BenchmarkClaude Opus 4Command R+
LMArena Instruction Following14061197
LiveBench Instruction Following—57.6%
IFEval91.8%—

Long Context Claude Opus 4 leads

Claude Opus 4: 39.6 (#172), Command R+: 37.3 (#219)

BenchmarkClaude Opus 4Command R+
LMArena Longer Query14221230
Fiction.LiveBench61.1%—

Writing & Preference Claude Opus 4 leads

Claude Opus 4: 61.2 (#89), Command R+: 43.5 (#228)

BenchmarkClaude Opus 4Command R+
LMArena Text13771229
LMArena Creative Writing13871235
LMArena Multi-Turn13961213
Short-Story Creative Writing83.6%—
EQ-Bench Creative Writing1580—
WildBench85.2%—
LiveBench Language—29.7%

Frequently asked questions

Is Claude Opus 4 better than Command R+?

Claude Opus 4 is the stronger model overall, scoring 43.1 to 32.4 on the Noometry Index. Command R+ costs 6.9× less per token, which makes it the better buy when Claude Opus 4's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4 or Command R+?

Command R+ is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; Claude Opus 4 lists at $15 and $75.

Is Claude Opus 4 or Command R+ better for coding?

Claude Opus 4 scores higher on coding benchmarks: 47.2 versus 29.1 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4 does, with 200K tokens against 128K.

How many benchmarks do Claude Opus 4 and Command R+ share?

22 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and Command R+ has 34.

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