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

> Side-by-side benchmark comparison for Claude Mythos Preview 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-preview-vs-nemotron-3-nano-omni-30b-a3b
- Last updated: September 29, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Mythos Preview and Nemotron 3 Nano Omni 30B A3B.

## Summary

- Claude Mythos Preview and Nemotron 3 Nano Omni 30B A3B do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Mythos Preview | Nemotron 3 Nano Omni 30B A3B |
|----------|----------|----------|
| Creator | Anthropic | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | null | 256K |
| Independent public score (not head-to-head) | null | 30.7 |
| Benchmarks Covered | 2 | 16 |
| Pricing (input/output) | $25.00 / $125.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

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

| Benchmark | Claude Mythos Preview | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| CyberGym | 83.1% | Coming soon | Coming soon |
| ExploitGym | 17.5% | 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 Preview public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 20.4 (Estimated · #121/143)

| Benchmark | Claude Mythos Preview | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v5 | Coming soon | 63.2% | Coming soon |
| SciCode | Coming soon | 32% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 49.5 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 40.3 (#44/50)

| Benchmark | Claude Mythos Preview | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 70.8% | Coming soon |
| MMLongBench-Doc | Coming soon | 57.5% | Coming soon |
| CharXiv | Coming soon | 76.3% | 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 |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 32.1 (Supported · #131/169)

| Benchmark | Claude Mythos Preview | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | Coming soon | 77.3% | Coming soon |
| GPQA | Coming soon | 72.2% | Coming soon |
| GPQA-D | Coming soon | 72.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Mythos Preview public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 72.4 (#62/124)

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

### Mathematics

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

| Benchmark | Claude Mythos Preview | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | Coming soon | 82.1% | Coming soon |

## FAQ

### Can I compare Claude Mythos Preview and Nemotron 3 Nano Omni 30B A3B on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

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

## Explore More

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