Noometry

Model comparison

Claude Opus 4.5 vs Nemotron 3 Super

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 39.6 on the Noometry Index. Nemotron 3 Super costs 58× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.

Last verified . 18 shared benchmarks.

Claude Opus 4.5 Anthropic

50.5

Rank #39 Confirmed

Nemotron 3 Super NVIDIA

39.6

Rank #147 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Claude Opus 4.5 scores higher in 8 categories and Nemotron 3 Super in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.5 leads 42.5 to 17.9.
  • The biggest single-benchmark swing is NYT Connections (extended): 52.5% for Claude Opus 4.5 and 15.4% for Nemotron 3 Super.
  • Nemotron 3 Super is cheaper at $0.08 / $0.45 per million input/output tokens, against $5 / $25 for Claude Opus 4.5.
  • Nemotron 3 Super accepts more context: 262K tokens versus 200K.
  • Nemotron 3 Super has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.5Nemotron 3 Super
ProviderAnthropicNVIDIA
Noometry Index50.539.6
Released2025-11-012026-03-11
WeightsProprietaryOpen
Context window200K262K
Max output64K131K
Input $ / M tokens$5$0.08
Output $ / M tokens$25$0.45
Results tracked6921

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Category by category

Coding Claude Opus 4.5 leads

Claude Opus 4.5: 55.4 (#21), Nemotron 3 Super: 38.9 (#153)

BenchmarkClaude Opus 4.5Nemotron 3 Super
WeirdML63.7%38%
LMArena Coding15041403
ALE-Bench1,025213.9
SWE-bench Verified76.7%—
SWE-bench Verified (bash only)76.8%—
LMArena WebDev1493—
SWE-bench Multilingual70.7%—
SciCode—36%
GSO26.5%—
AlgoTune1.77—

Agentic & Tool Use Not comparable

Claude Opus 4.5: 47.2 (#11), Nemotron 3 Super: —

BenchmarkClaude Opus 4.5Nemotron 3 Super
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: 42.5 (#43), Nemotron 3 Super: 17.9 (#274)

BenchmarkClaude Opus 4.5Nemotron 3 Super
NYT Connections (extended)52.5%15.4%
LMArena Hard Prompts14761386
ARC-AGI-237.6%—
SimpleBench62%—
Kagi LLM Benchmark80.2%—
ARC-AGI-180%—
CritPt—3.1%
Chess Puzzles12%—
EnigmaEval11.9%—
EBR-Bench14.3%—
Mystery Game Puzzles22%—
DTBench89.9%—
LMCA44.5%—
Epoch Capabilities Index150.1—
ForecastBench60.7—

Math Too close to call

Claude Opus 4.5: 38.5 (#85), Nemotron 3 Super: 37.6 (#95)

BenchmarkClaude Opus 4.5Nemotron 3 Super
LMArena Math14631381
FrontierMath (Tiers 1-3)34.4%—
FrontierMath Tier 44.9%—
MathArena Final-Answer Competitions—60.4%
OTIS Mock AIME 2024-202586.1%—
ProofBench36%—
FrontierMath (Feb 2025 set)20.7%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4.5 leads

Claude Opus 4.5: 56.4 (#38), Nemotron 3 Super: 38.2 (#136)

BenchmarkClaude Opus 4.5Nemotron 3 Super
LMArena Expert14881397
GPQA Diamond86%—
Humanity's Last Exam25.2%—
SimpleQA Verified45.7%—
Vectara Hallucination Rate10.9%—

Multimodal Not comparable

Claude Opus 4.5: 31.1 (#99), Nemotron 3 Super: —

BenchmarkClaude Opus 4.5Nemotron 3 Super
GeoBench75%—
VPCT40%—
Furniture Assembly28.3%—
LMArena Document1462—

Multilingual Claude Opus 4.5 leads

Claude Opus 4.5: 54.5 (#45), Nemotron 3 Super: 48.6 (#139)

BenchmarkClaude Opus 4.5Nemotron 3 Super
LMArena Non-English14381356
LMArena Chinese14701430
LMArena French14711404
LMArena German14491341
LMArena Russian14481336
LMArena Spanish14551417
LMArena Japanese1415—
LMArena Korean1424—

Instruction Following Claude Opus 4.5 leads

Claude Opus 4.5: 77.7 (#20), Nemotron 3 Super: 71.4 (#149)

BenchmarkClaude Opus 4.5Nemotron 3 Super
LMArena Instruction Following14781347

Long Context Claude Opus 4.5 leads

Claude Opus 4.5: 46.4 (#21), Nemotron 3 Super: 41.5 (#134)

BenchmarkClaude Opus 4.5Nemotron 3 Super
LMArena Longer Query14801362
CL-bench21.1%—

Writing & Preference Claude Opus 4.5 leads

Claude Opus 4.5: 68.2 (#28), Nemotron 3 Super: 56.1 (#135)

BenchmarkClaude Opus 4.5Nemotron 3 Super
LMArena Text14511378
LMArena Creative Writing14451317
LMArena Multi-Turn14661369
EQ-Bench Creative Writing1687—

Frequently asked questions

Is Claude Opus 4.5 better than Nemotron 3 Super?

Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 39.6 on the Noometry Index. Nemotron 3 Super costs 58× 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 Nemotron 3 Super?

Nemotron 3 Super is cheaper. It lists at $0.08 per million input tokens and $0.45 per million output tokens; Claude Opus 4.5 lists at $5 and $25.

Is Claude Opus 4.5 or Nemotron 3 Super better for coding?

Claude Opus 4.5 scores higher on coding benchmarks: 55.4 versus 38.9 in the Noometry coding category.

Which has the bigger context window?

Nemotron 3 Super does, with 262K tokens against 200K.

How many benchmarks do Claude Opus 4.5 and Nemotron 3 Super share?

18 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Nemotron 3 Super has 21.

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