# Claude Mythos 5 vs Nemotron 3 Nano Omni 30B A3B

> Side-by-side benchmark comparison for Claude Mythos 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-mythos-5-vs-nemotron-3-nano-omni-30b-a3b
- Last updated: September 4, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Mythos 5 and Nemotron 3 Nano Omni 30B A3B share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Nemotron 3 Nano Omni 30B A3B has the lower published output-token price.
- Claude Mythos 5 has the larger published context window at 1M+.

## Model Snapshot

| Property | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B |
|----------|----------|----------|
| Creator | Anthropic | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 256K |
| Independent public score (not head-to-head) | null | 43.97 |
| Benchmarks Covered | 15 | 16 |
| Pricing (input/output) | $10.00 / $50.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Mythos 5 public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 47 (Estimated · #83/151)

| Benchmark | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 88% | Coming soon | Coming soon |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| BrowseComp | 88% | Coming soon | Coming soon |
| CyberGym | 83.8% | Coming soon | Coming soon |
| OSWorld | Coming soon | 47.4% | Coming soon |
| τ²-bench results | Coming soon | 45.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Mythos 5 public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 42.6 (Estimated · #129/183)

| Benchmark | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95.5% | Coming soon | Coming soon |
| SWE-bench Pro | 80.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 88.0% | Coming soon | Coming soon |
| LiveCodeBench v5 | Coming soon | 63.2% | Coming soon |
| SciCode | Coming soon | 32% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Mythos 5 public-lane score: 85.1 (Unranked · 3 rankable rows)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 39.3 (#42/48)

| Benchmark | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Multimodal | 54.9% | Coming soon | Coming soon |
| CharXiv | 93.5% | 76.3% | Claude Mythos 5 |
| CharXiv w/o tools | 88.9% | Coming soon | Coming soon |
| MMMU | Coming soon | 70.8% | Coming soon |
| MMLongBench-Doc | Coming soon | 57.5% | Coming soon |
| ScreenSpot Pro | Coming soon | 57.8% | 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: Insufficient shared evidence
- Claude Mythos 5 public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 50.3 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- Claude Mythos 5 public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 39.9 (Supported · #140/181)

| Benchmark | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.1% | 72.2% | Claude Mythos 5 |
| HLE | 64.5% | Coming soon | Coming soon |
| HLE w/o tools | 59% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 77.3% | Coming soon |
| GPQA-D | Coming soon | 72.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Mythos 5 public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 75.9 (#57/120)

| Benchmark | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 74.2% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Claude Mythos 5 public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 92.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Mythos 5 public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 97.6% | Coming soon | Coming soon |
| AIME 2025 | Coming soon | 82.1% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Mythos 5 and Nemotron 3 Nano Omni 30B A3B?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude Mythos 5 vs Claude Mythos 5.1](/compare/claude-mythos-5-vs-claude-mythos-5-1)
- [Nemotron 3 Nano Omni 30B A3B vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-nemotron-3-nano-omni-30b-a3b)
- [Claude Mythos 5 vs Claude Mythos Preview](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [Nemotron 3 Nano Omni 30B A3B vs Claude Mythos Preview](/compare/claude-mythos-preview-vs-nemotron-3-nano-omni-30b-a3b)

## Explore More

- [Claude Mythos 5 profile](/models/claude-mythos-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)