# Nemotron 3 Ultra vs Phi-4-reasoning-plus

> Side-by-side benchmark comparison for Nemotron 3 Ultra and Phi-4-reasoning-plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-ultra-vs-phi-4-reasoning-plus
- Last updated: October 14, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Nemotron 3 Ultra and Phi-4-reasoning-plus 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 Ultra has the larger published context window at 1M.

## Model Snapshot

| Property | Nemotron 3 Ultra | Phi-4-reasoning-plus |
|----------|----------|----------|
| Creator | NVIDIA | Microsoft |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 32K |
| Independent public score (not head-to-head) | 47.34 | null |
| Benchmarks Covered | 24 | 6 |
| Pricing (input/output) | $0.00 / $0.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 28.3 (Supported · #95/124)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 56.4% | Coming soon | Coming soon |
| PinchBench | 90.0% | Coming soon | Coming soon |
| BrowseComp | 44.4% | Coming soon | Coming soon |
| τ³-bench results | 70.9% | Coming soon | Coming soon |
| HLE w/ tools | 37.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 50.9% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 22 (Supported · #114/148)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 71.9% | Coming soon | Coming soon |
| SWE Multilingual | 67.7% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.0% | Coming soon | Coming soon |
| SciCode | 44.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 56.4% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.0% | Coming soon | Coming soon |
| LiveCodeBench | Coming soon | 53.1% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 70.7 (#20/29)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 3.1% | Coming soon | Coming soon |
| LongBench v2 | 61.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 50.5 (Estimated · #77/181)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | 68.9% | Nemotron 3 Ultra |
| GPQA-D | 87.0% | Coming soon | Coming soon |
| HLE | 26.7% | Coming soon | Coming soon |
| HLE w/o tools | 26.7% | Coming soon | Coming soon |
| MMLU-Pro | 86.8% | 76% | Nemotron 3 Ultra |
| GPQA Diamond (Vals) | 86.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.8% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 89.2 (#7/17)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 83% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 92.1 (#20/128)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 81.7% | Coming soon | Coming soon |
| IFEval | Coming soon | 84.9% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: Coming soon
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | Coming soon | 81.3% | Coming soon |
| AIME 2025 | Coming soon | 78% | Coming soon |

## FAQ

### Is there enough evidence to pick between Nemotron 3 Ultra and Phi-4-reasoning-plus?

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

- [Nemotron 3 Ultra vs Phi-4-reasoning](/compare/nemotron-3-ultra-vs-phi-4-reasoning)
- [Phi-4-reasoning-plus vs Phi-4-reasoning](/compare/phi-4-reasoning-vs-phi-4-reasoning-plus)
- [Nemotron 3 Ultra vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-nemotron-3-ultra)
- [Phi-4-reasoning-plus vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-phi-4-reasoning-plus)

## Explore More

- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Phi-4-reasoning-plus profile](/models/phi-4-reasoning-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)