# LFM2.5-24B-A2B vs Nemotron 3 Ultra

> Side-by-side benchmark comparison for LFM2.5-24B-A2B and Nemotron 3 Ultra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/lfm2-5-24b-a2b-vs-nemotron-3-ultra
- Last updated: October 13, 2026

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

## Quick Verdict

Nemotron 3 Ultra leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Nemotron 3 Ultra has the higher overall point estimate 47.2 to 37.8. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in instruction following, where the averages are 75.6 for LFM2.5-24B-A2B and 92.1 for Nemotron 3 Ultra.
- The biggest single benchmark swing is τ³-bench results in Agentic, with scores of 8.0% and 70.9%.
- Nemotron 3 Ultra is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Nemotron 3 Ultra also has the larger context window at 1M.

## Model Snapshot

| Property | LFM2.5-24B-A2B | Nemotron 3 Ultra |
|----------|----------|----------|
| Creator | LiquidAI | NVIDIA |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 131K | 1M |
| Overall Score | 37.8 | 47.2 |
| Benchmarks Covered | 13 | 24 |
| Pricing (input/output) | $0.10 / $1.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- LFM2.5-24B-A2B public-lane score: 30.2 (Estimated · #88/124)
- Nemotron 3 Ultra public-lane score: 27.2 (Supported · #95/124)

| Benchmark | LFM2.5-24B-A2B | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 27.7% | Coming soon | Coming soon |
| BFCL v4 | 65.0% | Coming soon | Coming soon |
| τ³-bench results | 8.0% | 70.9% | Nemotron 3 Ultra |
| PinchBench | 83.2% | 90.0% | Nemotron 3 Ultra |
| WebArena-Verified | 26.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |
| BrowseComp | Coming soon | 44.4% | Coming soon |
| HLE w/ tools | Coming soon | 37.4% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 50.9% | Coming soon |

### Coding

- Winner: Directional only
- LFM2.5-24B-A2B public-lane score: 28.5 (Estimated · #98/149)
- Nemotron 3 Ultra public-lane score: 22.4 (Supported · #115/149)

| Benchmark | LFM2.5-24B-A2B | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| SciCode | 32.7% | 44.6% | Nemotron 3 Ultra |
| SWE-bench Verified | 51% | 71.9% | Nemotron 3 Ultra |
| SWE Multilingual | Coming soon | 67.7% | Coming soon |
| LiveCodeBench v6 | Coming soon | 89.0% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 86.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 69.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- LFM2.5-24B-A2B public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 70.7 (#20/29)

| Benchmark | LFM2.5-24B-A2B | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 3.1% | Coming soon |
| LongBench v2 | Coming soon | 61.9% | Coming soon |

### Knowledge

- Winner: Directional only
- LFM2.5-24B-A2B public-lane score: 40.8 (Estimated · #112/181)
- Nemotron 3 Ultra public-lane score: 50.7 (Estimated · #77/181)

| Benchmark | LFM2.5-24B-A2B | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 74.4% | 87% | Nemotron 3 Ultra |
| GPQA-D | 74.4% | 87.0% | Nemotron 3 Ultra |
| HLE | 7.4% | 26.7% | Nemotron 3 Ultra |
| HLE w/o tools | Coming soon | 26.7% | Coming soon |
| MMLU-Pro | Coming soon | 86.8% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 86.1% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 85.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- LFM2.5-24B-A2B public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 89.2 (#7/17)

| Benchmark | LFM2.5-24B-A2B | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 83% | Coming soon |

### Instruction Following

- Winner: Nemotron 3 Ultra
- LFM2.5-24B-A2B public-lane score: 75.6 (#61/128)
- Nemotron 3 Ultra public-lane score: 92.1 (#20/128)

| Benchmark | LFM2.5-24B-A2B | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 96.8% | Coming soon | Coming soon |
| IFBench | 74.7% | 81.7% | Nemotron 3 Ultra |

### Mathematics

- Winner: Not comparable
- LFM2.5-24B-A2B public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: Coming soon

| Benchmark | LFM2.5-24B-A2B | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MATH-500 | 96.0% | Coming soon | Coming soon |

## FAQ

### Which is better overall, LFM2.5-24B-A2B or Nemotron 3 Ultra?

Nemotron 3 Ultra has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between LFM2.5-24B-A2B and Nemotron 3 Ultra?

The widest category gap is in instruction following, where the averages are 75.6 for LFM2.5-24B-A2B and 92.1 for Nemotron 3 Ultra.

### How many benchmarks does LFM2.5-24B-A2B cover on BenchLM?

LFM2.5-24B-A2B currently has 13 sourced benchmark scores on BenchLM.

### How many benchmarks does Nemotron 3 Ultra cover on BenchLM?

Nemotron 3 Ultra currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [LFM2.5-24B-A2B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-lfm2-5-24b-a2b)
- [Nemotron 3 Ultra vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-nemotron-3-ultra)
- [LFM2.5-24B-A2B vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-lfm2-5-24b-a2b)
- [Nemotron 3 Ultra vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-nemotron-3-ultra)

## Explore More

- [LFM2.5-24B-A2B profile](/models/lfm2-5-24b-a2b)
- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)