Noometry

Model comparison

Claude Opus 4.6 vs Command A Plus

Claude Opus 4.6 has enough public results to be ranked (#20); Command A Plus does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Opus 4.6 Anthropic

58.2

Rank #20 Confirmed

Command A Plus Cohere

35.3

Unranked Sparse

Summary

  • The widest gap is in reasoning, where Claude Opus 4.6 leads 57.8 to 22.4.
  • Command A Plus is cheaper at $2.50 / $10 per million input/output tokens, against $5 / $25 for Claude Opus 4.6.
  • Claude Opus 4.6 accepts more context: 1M tokens versus 128K.
  • Command A Plus has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.6Command A Plus
ProviderAnthropicCohere
Noometry Index58.235.3
Released2026-02-042026-05-20
WeightsProprietaryOpen
Context window1M128K
Max output128K64K
Input $ / M tokens$5$2.50
Output $ / M tokens$25$10
Results tracked682

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.2 (#20), Command A Plus: 39.3

BenchmarkClaude Opus 4.6Command A Plus
SWE-bench Verified78.7%—
FrontierCode26.6%—
SWE-bench Verified (bash only)75.6%—
LMArena WebDev1547—
SWE-bench Multilingual72%—
SciCode—37.8%
GSO41.2%—
WeirdML78%—
LMArena Coding1536—
ALE-Bench996.5—
AlgoTune1.47—

Agentic & Tool Use Not comparable

Claude Opus 4.6: 51.1 (#4), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
Terminal-Bench79.8%—
APEX-Agents46.3%—
Remote Labor Index4.2%—
τ²-bench Banking27.3%—
Cybench93%—
DeepResearch Bench55.3%—
GBAEval44.1%—
LMArena Search1253—
METR Time Horizons78.9%—
Vending-Bench 28,018—

Reasoning Claude Opus 4.6 leads

Claude Opus 4.6: 57.8 (#23), Command A Plus: 22.4

BenchmarkClaude Opus 4.6Command A Plus
ARC-AGI-269.2%—
SimpleBench67.6%—
Kagi LLM Benchmark83.6%—
NYT Connections (extended)92.1%—
ARC-AGI-194%—
CritPt—0.3%
Chess Puzzles17%—
EnigmaEval7.6%—
Thematic Generalization80.6%—
EBR-Bench12.7%—
LMArena Hard Prompts1527—
Mystery Game Puzzles25%—
DTBench91.2%—
LMCA55.8%—
Epoch Capabilities Index155.24—
ForecastBench60—

Math Not comparable

Claude Opus 4.6: 63.0 (#31), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
FrontierMath (Tiers 1-3)66%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions78.5%—
OTIS Mock AIME 2024-202594.4%—
ProofBench50%—
LMArena Math1519—
FrontierMath (Feb 2025 set)40.7%—
FrontierMath Tier 4 (v1)22.9%—

Knowledge Not comparable

Claude Opus 4.6: 61.9 (#26), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
GPQA Diamond90.5%—
Humanity's Last Exam34.4%—
SimpleQA Verified47%—
Vectara Hallucination Rate12.2%—
LMArena Expert1546—

Multimodal Not comparable

Claude Opus 4.6: 37.3 (#74), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
LMArena Vision1316—
Furniture Assembly28.3%—
LMArena Document1507—

Multilingual Not comparable

Claude Opus 4.6: 57.9 (#6), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
LMArena Non-English1489—
LMArena Chinese1551—
LMArena French1513—
LMArena German1502—
LMArena Japanese1484—
LMArena Korean1464—
LMArena Russian1497—
LMArena Spanish1510—

Instruction Following Not comparable

Claude Opus 4.6: 79.5 (#4), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
LMArena Instruction Following1523—

Long Context Not comparable

Claude Opus 4.6: 48.1 (#13), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
CL-bench20.7%—
CL-bench Life17%—
LMArena Longer Query1520—

Writing & Preference Not comparable

Claude Opus 4.6: 73.5 (#10), Command A Plus: —

BenchmarkClaude Opus 4.6Command A Plus
LMArena Text1503—
LMArena Creative Writing1505—
EQ-Bench Creative Writing1809—
EQ-Bench 41223—
LMArena Multi-Turn1513—

Frequently asked questions

Is Claude Opus 4.6 better than Command A Plus?

Claude Opus 4.6 has enough public results to be ranked (#20); Command A Plus does not yet, so treat this comparison as directional.

Which is cheaper, Claude Opus 4.6 or Command A Plus?

Command A Plus is cheaper. It lists at $2.50 per million input tokens and $10 per million output tokens; Claude Opus 4.6 lists at $5 and $25.

Is Claude Opus 4.6 or Command A Plus better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.2 versus 39.3 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.6 does, with 1M tokens against 128K.

How many benchmarks do Claude Opus 4.6 and Command A Plus share?

0 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and Command A Plus has 2.

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