# Nemotron 3 Ultra vs Beam

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

- Canonical page: https://benchlm.ai/compare/nemotron-3-ultra-vs-reflection-beam
- Last updated: October 5, 2026

- Shared sourced benchmarks: 10
- 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 45.26 to 0. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 44.4% and 77.4%.
- Beam 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 | Nemotron 3 Ultra | Beam |
|----------|----------|----------|
| Creator | NVIDIA | Reflection AI |
| Type | Open Weight | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | null |
| Overall Score | 45.26 | null |
| Benchmarks Covered | 24 | 16 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 26.2 (Supported · #90/119)
- Beam public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 56.4% | 80.1% | Beam |
| PinchBench | 90.0% | Coming soon | Coming soon |
| BrowseComp | 44.4% | 77.4% | Beam |
| 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 |
| MCP Atlas | Coming soon | 78.7% | Coming soon |
| DeepSearchQA | Coming soon | 80.1% | Coming soon |

### Coding

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 23.1 (Supported · #110/144)
- Beam public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Beam | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 71.9% | 80.9% | Beam |
| SWE Multilingual | 67.7% | 78% | Beam |
| LiveCodeBench v6 | 89.0% | Coming soon | Coming soon |
| SciCode | 44.6% | 49.7% | Beam |
| Terminal-Bench 2.1 | 56.4% | 80.1% | Beam |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.0% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 44.4% | Coming soon |
| SWE-bench Pro | Coming soon | 65.5% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 34.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 51.8 (#26/27)
- Beam public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Beam | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 3.1% | Coming soon | Coming soon |
| LongBench v2 | 61.9% | 65.5% | Beam |

### Knowledge

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 47.9 (Estimated · #75/171)
- Beam public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Beam | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | Coming soon | Coming soon |
| GPQA-D | 87.0% | 90.5% | Beam |
| HLE | 26.7% | Coming soon | Coming soon |
| HLE w/o tools | 26.7% | 36.2% | Beam |
| MMLU-Pro | 86.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 86.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.8% | Coming soon | Coming soon |

### Multilingual

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 89.2 (#7/16)
- Beam public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Beam | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 83% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 87.5 (#28/125)
- Beam public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Beam | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 81.7% | 79.7% | Nemotron 3 Ultra |

### Mathematics

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Beam | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 97.8% | Coming soon |

## FAQ

### Which is better overall, Nemotron 3 Ultra or Beam?

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

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

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

### How many benchmarks does Beam cover on BenchLM?

Beam currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Nemotron 3 Ultra vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-nemotron-3-ultra)
- [Beam vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-reflection-beam)
- [Nemotron 3 Ultra vs GPT-6 Astra](/compare/gpt-6-astra-vs-nemotron-3-ultra)
- [Beam vs GPT-6 Astra](/compare/gpt-6-astra-vs-reflection-beam)

## Explore More

- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Beam profile](/models/reflection-beam)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)