Noometry

Model comparison

Claude Sonnet 4 vs Command R+

Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 32.4 on the Noometry Index.

Last verified . 22 shared benchmarks.

Claude Sonnet 4 Anthropic

40.8

Rank #145 Confirmed

Command R+ Cohere

32.4

Rank #257 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude Sonnet 4 scores higher in 7 categories and Command R+ in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 4 leads 43.3 to 28.9.
  • The biggest single-benchmark swing is SimpleBench: 45.5% for Claude Sonnet 4 and 17.4% for Command R+.
  • Command R+ is cheaper at $2.50 / $10 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.
  • Claude Sonnet 4 accepts more context: 200K tokens versus 128K.
  • Command R+ has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 4Command R+
ProviderAnthropicCohere
Noometry Index40.832.4
Released2025-05-222024-08-30
WeightsProprietaryOpen
Context window200K128K
Max output64K4K
Input $ / M tokens$3$2.50
Output $ / M tokens$15$10
Results tracked5834

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Category by category

Coding Claude Sonnet 4 leads

Claude Sonnet 4: 43.5 (#88), Command R+: 29.1 (#309)

BenchmarkClaude Sonnet 4Command R+
LMArena Coding14141187
SWE-bench Verified (bash only)64.9%—
Aider Polyglot61.3%—
SciCode40%—
GSO4.9%—
WeirdML46.1%—
BigCodeBench Instruct—33.8%
LiveBench Coding—19.1%
BigCodeBench Complete—41.9%
ALE-Bench655.35—
HumanEval+—56.7%
MBPP+—63.5%

Agentic & Tool Use Not comparable

Claude Sonnet 4: 38.5 (#31), Command R+: —

BenchmarkClaude Sonnet 4Command R+
TheAgentCompany33.1%—
Cybench35%—
DeepResearch Bench46.6%—
OSWorld43.9%—
METR Time Horizons62%—

Reasoning Claude Sonnet 4 leads

Claude Sonnet 4: 22.9 (#187), Command R+: 9.2 (#344)

BenchmarkClaude Sonnet 4Command R+
SimpleBench45.5%17.4%
LMArena Hard Prompts13721186
DTBench77.1%54.9%
LMCA29%5%
Epoch Capabilities Index141.69119.34
ARC-AGI-25.9%—
Kagi LLM Benchmark73%—
ARC-AGI-140%—
CritPt0.3%—
EnigmaEval3.1%—
LiveBench Reasoning—24.8%
LiveBench Data Analysis—38.1%
ForecastBench60.2—
LiveBench—31.8%

Math Claude Sonnet 4 leads

Claude Sonnet 4: 43.3 (#80), Command R+: 28.9 (#242)

BenchmarkClaude Sonnet 4Command R+
LMArena Math13751188
OTIS Mock AIME 2024-202571.1%—
Omni-MATH60.2%—
LiveBench Math—21.3%
MATH Level 584.4%—
FrontierMath (Feb 2025 set)4.1%—
FrontierMath Tier 4 (v1)0%—

Knowledge Claude Sonnet 4 leads

Claude Sonnet 4: 41.8 (#108), Command R+: 36.4 (#169)

BenchmarkClaude Sonnet 4Command R+
Vectara Hallucination Rate10.3%6.9%
LMArena Expert13721174
GPQA Diamond79.2%—
Humanity's Last Exam7.8%—
MMLU-Pro84.3%—
Confabulations13.2%—
GPQA (HELM)70.6%—
MMLU—69.4%

Multimodal Not comparable

Claude Sonnet 4: 26.2 (#121), Command R+: —

BenchmarkClaude Sonnet 4Command R+
LMArena Vision1191—
GeoBench37%—
VPCT34%—
MindCube44.8%—

Multilingual Claude Sonnet 4 leads

Claude Sonnet 4: 46.7 (#156), Command R+: 38.6 (#227)

BenchmarkClaude Sonnet 4Command R+
LMArena Non-English13331216
LMArena Chinese13501226
LMArena French13631209
LMArena German13311216
LMArena Japanese13021166
LMArena Korean12911138
LMArena Russian13551227
LMArena Spanish13571189

Instruction Following Claude Sonnet 4 leads

Claude Sonnet 4: 71.7 (#145), Command R+: 60.0 (#254)

BenchmarkClaude Sonnet 4Command R+
LMArena Instruction Following13761197
LiveBench Instruction Following—57.6%
IFEval84%—

Long Context Command R+ leads

Claude Sonnet 4: 33.7 (#259), Command R+: 37.3 (#219)

BenchmarkClaude Sonnet 4Command R+
LMArena Longer Query13981230
Fiction.LiveBench46.9%—

Writing & Preference Claude Sonnet 4 leads

Claude Sonnet 4: 57.1 (#132), Command R+: 43.5 (#228)

BenchmarkClaude Sonnet 4Command R+
LMArena Text13511229
LMArena Creative Writing13451235
LMArena Multi-Turn13761213
Short-Story Creative Writing81.4%—
EQ-Bench Creative Writing1483—
WildBench83.8%—
LiveBench Language—29.7%

Frequently asked questions

Is Claude Sonnet 4 better than Command R+?

Claude Sonnet 4 is the stronger model overall, scoring 40.8 to 32.4 on the Noometry Index.

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

Command R+ is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; Claude Sonnet 4 lists at $3 and $15.

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

Claude Sonnet 4 scores higher on coding benchmarks: 43.5 versus 29.1 in the Noometry coding category.

Which has the bigger context window?

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

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

22 benchmarks have published results for both models. Claude Sonnet 4 has 58 scored results on Noometry and Command R+ has 34.

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