# Claude Opus 4.5 vs Nemotron 3 Nano Omni 30B A3B

> Side-by-side benchmark comparison for Claude Opus 4.5 and Nemotron 3 Nano Omni 30B A3B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-5-vs-nemotron-3-nano-omni-30b-a3b
- Last updated: September 10, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Opus 4.5 if you want the stronger benchmark profile. Nemotron 3 Nano Omni 30B A3B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 4.5 leads overall 58.41 to 40.6.
- The clearest category separation is in instruction following, where the averages are 39.5 for Claude Opus 4.5 and 75.9 for Nemotron 3 Nano Omni 30B A3B.
- The biggest single benchmark swing is OSWorld in Agentic, with scores of 66.3% and 47.4%.
- Nemotron 3 Nano Omni 30B A3B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Nemotron 3 Nano Omni 30B A3B also has the larger context window at 256K.

## Model Snapshot

| Property | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B |
|----------|----------|----------|
| Creator | Anthropic | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 256K |
| Overall Score | 58.41 | 40.6 |
| Benchmarks Covered | 45 | 16 |
| Pricing (input/output) | $5.00 / $25.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 43.2 (Estimated · #97/152)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 44.3 (Estimated · #90/152)

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.3% | Coming soon | Coming soon |
| OSWorld-Verified | 66.3% | Coming soon | Coming soon |
| OSWorld | 66.3% | 47.4% | Claude Opus 4.5 |
| Claw-Eval | 59.6% | Coming soon | Coming soon |
| QwenClawBench | 52.3% | Coming soon | Coming soon |
| τ³-bench results | 70.2% | Coming soon | Coming soon |
| VITA-Bench | 23.3% | Coming soon | Coming soon |
| DeepPlanning | 26.4% | Coming soon | Coming soon |
| Toolathlon | 43.5% | Coming soon | Coming soon |
| MCP Atlas | 42.3% | Coming soon | Coming soon |
| MCP-Tasks | 71.8% | Coming soon | Coming soon |
| WideResearch | 76.4% | Coming soon | Coming soon |
| CyberGym | 50.6% | Coming soon | Coming soon |
| Gert Labs | 64.23% | Coming soon | Coming soon |
| JobBench | 32.3% | Coming soon | Coming soon |
| τ²-bench results | Coming soon | 45.3% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 56.6 (Estimated · #36/151)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 40.2 (Estimated · #116/151)

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.9% | Coming soon | Coming soon |
| LiveCodeBench v6 | 84.8% | Coming soon | Coming soon |
| SWE-bench Pro | 57.1% | Coming soon | Coming soon |
| SWE Multilingual | 77.5% | Coming soon | Coming soon |
| NL2Repo | 43.2% | Coming soon | Coming soon |
| LiveCodeBench v5 | Coming soon | 63.2% | Coming soon |
| SciCode | Coming soon | 32% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 23.5 (#46/48)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 39.3 (#42/48)

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 70.6% | Coming soon | Coming soon |
| MathVision | 74.3% | Coming soon | Coming soon |
| CharXiv | 68.5% | 76.3% | Nemotron 3 Nano Omni 30B A3B |
| VideoMMMU | 84.4% | Coming soon | Coming soon |
| ScreenSpot Pro | 45.7% | 57.8% | Nemotron 3 Nano Omni 30B A3B |
| V* | 67.0% | Coming soon | Coming soon |
| MMMU | Coming soon | 70.8% | Coming soon |
| MMLongBench-Doc | Coming soon | 57.5% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 72.2% | Coming soon |
| AI2D_TEST | Coming soon | 88.5% | Coming soon |
| RefCOCO (avg) | Coming soon | 90.5% | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 72.1 (Unranked · 4 rankable rows)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 48.3 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 64.4% | Coming soon | Coming soon |
| AI-Needle | 74% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 53.9 (Estimated · #61/183)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 38.7 (Supported · #143/183)

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | 72.2% | Claude Opus 4.5 |
| SuperGPQA | 70.6% | Coming soon | Coming soon |
| MMLU-Pro | 89.5% | 77.3% | Claude Opus 4.5 |
| MMLU-Redux | 96.6% | Coming soon | Coming soon |
| C-Eval | 92.2% | Coming soon | Coming soon |
| HLE | 30.8% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 72.2% | Coming soon |

### Instruction Following

- Winner: Nemotron 3 Nano Omni 30B A3B
- Claude Opus 4.5 public-lane score: 39.5 (#105/123)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 75.9 (#59/123)

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 90.9% | Coming soon | Coming soon |
| IFBench | 58% | 74.2% | Nemotron 3 Nano Omni 30B A3B |

### Multilingual

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 82.9 (#2/12)
- Nemotron 3 Nano Omni 30B A3B public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 85.7% | Coming soon | Coming soon |
| NOVA-63 | 56.7% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 58.3 (#6/7)
- Nemotron 3 Nano Omni 30B A3B public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.1% | Coming soon | Coming soon |
| HMMT Feb 2025 | 92.9% | Coming soon | Coming soon |
| HMMT Nov 2025 | 93.3% | Coming soon | Coming soon |
| HMMT Feb 2026 | 85.3% | Coming soon | Coming soon |
| MMAnswerBench | 84.0% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 20.690% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.167% | Coming soon | Coming soon |
| AIME 2025 | Coming soon | 82.1% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.5 or Nemotron 3 Nano Omni 30B A3B?

Claude Opus 4.5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.5 and Nemotron 3 Nano Omni 30B A3B?

The widest category gap is in instruction following, where the averages are 39.5 for Claude Opus 4.5 and 75.9 for Nemotron 3 Nano Omni 30B A3B.

### How many benchmarks does Claude Opus 4.5 cover on BenchLM?

Claude Opus 4.5 currently has 45 sourced benchmark scores on BenchLM.

### How many benchmarks does Nemotron 3 Nano Omni 30B A3B cover on BenchLM?

Nemotron 3 Nano Omni 30B A3B currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.5 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-vs-claude-opus-4-5-thinking)
- [Nemotron 3 Nano Omni 30B A3B vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-thinking-vs-nemotron-3-nano-omni-30b-a3b)
- [Claude Opus 4.5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-opus-4-5)
- [Nemotron 3 Nano Omni 30B A3B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-nemotron-3-nano-omni-30b-a3b)

## Explore More

- [Claude Opus 4.5 profile](/models/claude-opus-4-5)
- [Nemotron 3 Nano Omni 30B A3B profile](/models/nemotron-3-nano-omni-30b-a3b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)