# LFM3-Audio-2B vs Nemotron Ultra 253B

> Side-by-side benchmark comparison for LFM3-Audio-2B and Nemotron Ultra 253B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/lfm3-audio-2b-vs-nemotron-ultra-253b
- Last updated: October 27, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for LFM3-Audio-2B and Nemotron Ultra 253B.

## Summary

- LFM3-Audio-2B and Nemotron Ultra 253B 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 | LFM3-Audio-2B | Nemotron Ultra 253B |
|----------|----------|----------|
| Creator | LiquidAI | NVIDIA |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 32K | 32K |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 0 | 5 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- LFM3-Audio-2B public-lane score: Coming soon
- Nemotron Ultra 253B public-lane score: Coming soon

| Benchmark | LFM3-Audio-2B | Nemotron Ultra 253B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench | Coming soon | 66.3% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- LFM3-Audio-2B public-lane score: Coming soon
- Nemotron Ultra 253B public-lane score: Coming soon

| Benchmark | LFM3-Audio-2B | Nemotron Ultra 253B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 76.0% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- LFM3-Audio-2B public-lane score: Coming soon
- Nemotron Ultra 253B public-lane score: 0 (#151/156)

| Benchmark | LFM3-Audio-2B | Nemotron Ultra 253B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 89.5% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- LFM3-Audio-2B public-lane score: Coming soon
- Nemotron Ultra 253B public-lane score: Coming soon

| Benchmark | LFM3-Audio-2B | Nemotron Ultra 253B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | Coming soon | 72.5% | Coming soon |
| MATH-500 | Coming soon | 97% | Coming soon |

## FAQ

### Can I compare LFM3-Audio-2B and Nemotron Ultra 253B 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

- [LFM3-Audio-2B vs LFM3-1.7B](/compare/lfm3-1-7b-vs-lfm3-audio-2b)
- [Nemotron Ultra 253B vs LFM3-1.7B](/compare/lfm3-1-7b-vs-nemotron-ultra-253b)
- [LFM3-Audio-2B vs LFM3-1.7B-Base](/compare/lfm3-1-7b-base-vs-lfm3-audio-2b)
- [Nemotron Ultra 253B vs LFM3-1.7B-Base](/compare/lfm3-1-7b-base-vs-nemotron-ultra-253b)

## Explore More

- [LFM3-Audio-2B profile](/models/lfm3-audio-2b)
- [Nemotron Ultra 253B profile](/models/nemotron-ultra-253b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)