Noometry

Model comparison

Claude Opus 4.1 vs Command R+

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 32.4 on the Noometry Index. Command R+ costs 6.9× less per token, which makes it the better buy when Claude Opus 4.1's lead doesn't matter for your workload.

Last verified . 22 shared benchmarks.

Claude Opus 4.1 Anthropic

41.0

Rank #142 Confirmed

Command R+ Cohere

32.4

Rank #257 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude Opus 4.1 scores higher in 7 categories and Command R+ in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.1 leads 32.2 to 9.2.
  • The biggest single-benchmark swing is SimpleBench: 60% for Claude Opus 4.1 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 4.1.
  • Claude Opus 4.1 accepts more context: 200K tokens versus 128K.
  • Command R+ has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.1Command R+
ProviderAnthropicCohere
Noometry Index41.032.4
Released2025-08-052024-08-30
WeightsProprietaryOpen
Context window200K128K
Max output32K4K
Input $ / M tokens$15$2.50
Output $ / M tokens$75$10
Results tracked4834

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Category by category

Coding Claude Opus 4.1 leads

Claude Opus 4.1: 44.4 (#73), Command R+: 29.1 (#309)

BenchmarkClaude Opus 4.1Command R+
LMArena Coding14791187
SWE-bench Verified73.3%—
LMArena WebDev1390—
WeirdML45.9%—
BigCodeBench Instruct—33.8%
LiveBench Coding—19.1%
BigCodeBench Complete—41.9%
ALE-Bench674.77—
AlgoTune1.34—
HumanEval+—56.7%
MBPP+—63.5%

Agentic & Tool Use Not comparable

Claude Opus 4.1: 35.0 (#41), Command R+: —

BenchmarkClaude Opus 4.1Command R+
Terminal-Bench38%—
GDPval43.6%—
Cybench42%—
DeepResearch Bench48.3%—
LMArena Search1148—
METR Time Horizons66.8%—

Reasoning Claude Opus 4.1 leads

Claude Opus 4.1: 32.2 (#76), Command R+: 9.2 (#344)

BenchmarkClaude Opus 4.1Command R+
SimpleBench60%17.4%
LMArena Hard Prompts14431186
DTBench80%54.9%
LMCA37.1%5%
Epoch Capabilities Index144.12119.34
Chess Puzzles7%—
EnigmaEval7.2%—
EBR-Bench7.9%—
LiveBench Reasoning—24.8%
Mystery Game Puzzles21%—
LiveBench Data Analysis—38.1%
ForecastBench62—
LiveBench—31.8%

Math Command R+ leads

Claude Opus 4.1: 22.3 (#277), Command R+: 28.9 (#242)

BenchmarkClaude Opus 4.1Command R+
LMArena Math14311188
FrontierMath (Tiers 1-3)12.6%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202568.9%—
LiveBench Math—21.3%
FrontierMath (Feb 2025 set)7.2%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4.1 leads

Claude Opus 4.1: 42.0 (#101), Command R+: 36.4 (#169)

BenchmarkClaude Opus 4.1Command R+
Vectara Hallucination Rate11.8%6.9%
LMArena Expert14391174
GPQA Diamond77.3%—
Humanity's Last Exam11.5%—
Confabulations17.1%—
MMLU—69.4%

Multimodal Not comparable

Claude Opus 4.1: 26.8 (#119), Command R+: —

BenchmarkClaude Opus 4.1Command R+
VPCT35%—

Multilingual Claude Opus 4.1 leads

Claude Opus 4.1: 52.0 (#95), Command R+: 38.6 (#227)

BenchmarkClaude Opus 4.1Command R+
LMArena Non-English14051216
LMArena Chinese14271226
LMArena French14311209
LMArena German14131216
LMArena Japanese13781166
LMArena Korean13801138
LMArena Russian14221227
LMArena Spanish14481189

Instruction Following Claude Opus 4.1 leads

Claude Opus 4.1: 75.6 (#58), Command R+: 60.0 (#254)

BenchmarkClaude Opus 4.1Command R+
LMArena Instruction Following14351197
LiveBench Instruction Following—57.6%

Long Context Claude Opus 4.1 leads

Claude Opus 4.1: 44.5 (#63), Command R+: 37.3 (#219)

BenchmarkClaude Opus 4.1Command R+
LMArena Longer Query14551230

Writing & Preference Claude Opus 4.1 leads

Claude Opus 4.1: 62.4 (#74), Command R+: 43.5 (#228)

BenchmarkClaude Opus 4.1Command R+
LMArena Text14191229
LMArena Creative Writing14121235
LMArena Multi-Turn14441213
Short-Story Creative Writing84.7%—
LiveBench Language—29.7%

Frequently asked questions

Is Claude Opus 4.1 better than Command R+?

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 32.4 on the Noometry Index. Command R+ costs 6.9× less per token, which makes it the better buy when Claude Opus 4.1's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.1 or Command R+?

Command R+ is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; Claude Opus 4.1 lists at $15 and $75.

Is Claude Opus 4.1 or Command R+ better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 29.1 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.1 does, with 200K tokens against 128K.

How many benchmarks do Claude Opus 4.1 and Command R+ share?

22 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Command R+ has 34.

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