Noometry

Model comparison

Claude Opus 4.5 vs Command R+

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 32.4 on the Noometry Index. Command R+ costs 2.3× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.

Last verified . 22 shared benchmarks.

Claude Opus 4.5 Anthropic

50.5

Rank #47 Confirmed

Command R+ Cohere

32.4

Rank #257 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude Opus 4.5 scores higher in 8 categories and Command R+ in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.5 leads 42.6 to 9.2.
  • The biggest single-benchmark swing is SimpleBench: 62% for Claude Opus 4.5 and 17.4% for Command R+.
  • Command R+ is cheaper at $2.50 / $10 per million input/output tokens, against $5 / $25 for Claude Opus 4.5.
  • Claude Opus 4.5 accepts more context: 200K tokens versus 128K.
  • Command R+ has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.5Command R+
ProviderAnthropicCohere
Noometry Index50.532.4
Released2025-11-012024-08-30
WeightsProprietaryOpen
Context window200K128K
Max output64K4K
Input $ / M tokens$5$2.50
Output $ / M tokens$25$10
Results tracked6934

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Opus 4.5 leads

Claude Opus 4.5: 54.8 (#27), Command R+: 29.1 (#309)

BenchmarkClaude Opus 4.5Command R+
LMArena Coding15041187
SWE-bench Verified76.7%—
SWE-bench Verified (bash only)76.8%—
LMArena WebDev1494—
SWE-bench Multilingual70.7%—
GSO26.5%—
WeirdML63.7%—
BigCodeBench Instruct—33.8%
LiveBench Coding—19.1%
BigCodeBench Complete—41.9%
ALE-Bench1,025—
AlgoTune1.77—
HumanEval+—56.7%
MBPP+—63.5%

Agentic & Tool Use Not comparable

Claude Opus 4.5: 47.3 (#12), Command R+: —

BenchmarkClaude Opus 4.5Command R+
Terminal-Bench63.1%—
Berkeley Function Calling Leaderboard77.5%—
GDPval45.5%—
Remote Labor Index3.8%—
τ²-bench Airline84%—
τ²-bench Banking24.7%—
τ²-bench Retail79.6%—
τ²-bench Telecom92.3%—
Cybench82%—
DeepResearch Bench54.8%—
OSWorld66.3%—
BALROG43.5%—
LMArena Search1180—
METR Time Horizons75%—
Vending-Bench 24,967—

Reasoning Claude Opus 4.5 leads

Claude Opus 4.5: 42.6 (#51), Command R+: 9.2 (#344)

BenchmarkClaude Opus 4.5Command R+
SimpleBench62%17.4%
LMArena Hard Prompts14761186
DTBench89.9%54.9%
LMCA44.5%5%
Epoch Capabilities Index150.09119.34
ARC-AGI-237.6%—
Kagi LLM Benchmark80.2%—
NYT Connections (extended)52.5%—
ARC-AGI-180%—
Chess Puzzles12%—
EnigmaEval11.9%—
EBR-Bench14.3%—
LiveBench Reasoning—24.8%
Mystery Game Puzzles22%—
LiveBench Data Analysis—38.1%
ForecastBench60.7—
LiveBench—31.8%

Math Claude Opus 4.5 leads

Claude Opus 4.5: 38.6 (#132), Command R+: 28.9 (#242)

BenchmarkClaude Opus 4.5Command R+
LMArena Math14631188
FrontierMath (Tiers 1-3)34.4%—
FrontierMath Tier 44.9%—
OTIS Mock AIME 2024-202586.1%—
ProofBench36%—
LiveBench Math—21.3%
FrontierMath (Feb 2025 set)20.7%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4.5 leads

Claude Opus 4.5: 56.5 (#44), Command R+: 36.4 (#169)

BenchmarkClaude Opus 4.5Command R+
Vectara Hallucination Rate10.9%6.9%
LMArena Expert14871174
GPQA Diamond86%—
Humanity's Last Exam25.2%—
SimpleQA Verified45.7%—
MMLU—69.4%

Multimodal Not comparable

Claude Opus 4.5: 31.4 (#107), Command R+: —

BenchmarkClaude Opus 4.5Command R+
GeoBench75%—
VPCT40%—
Furniture Assembly28.3%—
LMArena Document1462—

Multilingual Claude Opus 4.5 leads

Claude Opus 4.5: 54.3 (#47), Command R+: 38.6 (#227)

BenchmarkClaude Opus 4.5Command R+
LMArena Non-English14381216
LMArena Chinese14701226
LMArena French14711209
LMArena German14491216
LMArena Japanese14161166
LMArena Korean14241138
LMArena Russian14471227
LMArena Spanish14581189

Instruction Following Claude Opus 4.5 leads

Claude Opus 4.5: 77.5 (#19), Command R+: 60.0 (#254)

BenchmarkClaude Opus 4.5Command R+
LMArena Instruction Following14781197
LiveBench Instruction Following—57.6%

Long Context Claude Opus 4.5 leads

Claude Opus 4.5: 46.5 (#22), Command R+: 37.3 (#219)

BenchmarkClaude Opus 4.5Command R+
LMArena Longer Query14801230
CL-bench21.1%—

Writing & Preference Claude Opus 4.5 leads

Claude Opus 4.5: 68.1 (#28), Command R+: 43.5 (#228)

BenchmarkClaude Opus 4.5Command R+
LMArena Text14511229
LMArena Creative Writing14451235
LMArena Multi-Turn14661213
EQ-Bench Creative Writing1687—
LiveBench Language—29.7%

Frequently asked questions

Is Claude Opus 4.5 better than Command R+?

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 32.4 on the Noometry Index. Command R+ costs 2.3× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.5 or Command R+?

Command R+ is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; Claude Opus 4.5 lists at $5 and $25.

Is Claude Opus 4.5 or Command R+ better for coding?

Claude Opus 4.5 scores higher on coding benchmarks: 54.8 versus 29.1 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.5 does, with 200K tokens against 128K.

How many benchmarks do Claude Opus 4.5 and Command R+ share?

22 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Command R+ has 34.

Related comparisons

Go deeper