# Nemotron 3 Ultra vs Ornith-1.0-397B

> Side-by-side benchmark comparison for Nemotron 3 Ultra and Ornith-1.0-397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-ultra-vs-ornith-1-0-397b
- Last updated: September 27, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Ornith-1.0-397B if you want the stronger benchmark profile. Nemotron 3 Ultra only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Ornith-1.0-397B leads overall 58 to 43.3.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 56.4% and 77.5%.
- Nemotron 3 Ultra also has the larger context window at 1M.

## Model Snapshot

| Property | Nemotron 3 Ultra | Ornith-1.0-397B |
|----------|----------|----------|
| Creator | NVIDIA | DeepReinforce AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 43.3 | null |
| Benchmarks Covered | 24 | 7 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 25.5 (Supported · #77/105)
- Ornith-1.0-397B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ornith-1.0-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 56.4% | 77.5% | Ornith-1.0-397B |
| 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 |
| Claw-Eval | Coming soon | 77.1% | Coming soon |

### Coding

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 23.2 (Supported · #108/135)
- Ornith-1.0-397B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ornith-1.0-397B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 71.9% | 82.4% | Ornith-1.0-397B |
| SWE Multilingual | 67.7% | 78.9% | Ornith-1.0-397B |
| LiveCodeBench v6 | 89.0% | Coming soon | Coming soon |
| SciCode | 44.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 56.4% | 77.5% | Ornith-1.0-397B |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.0% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 62.2% | Coming soon |
| NL2Repo | Coming soon | 48.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 49.8 (Unranked · 1 rankable row)
- Ornith-1.0-397B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ornith-1.0-397B | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 3.1% | Coming soon | Coming soon |
| LongBench v2 | 61.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 45.9 (Estimated · #71/158)
- Ornith-1.0-397B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ornith-1.0-397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | Coming soon | Coming soon |
| 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% | 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: 47.4 (#7/12)
- Ornith-1.0-397B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ornith-1.0-397B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 83% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 88.1 (#26/124)
- Ornith-1.0-397B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ornith-1.0-397B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 81.7% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Nemotron 3 Ultra or Ornith-1.0-397B?

Ornith-1.0-397B is ahead overall on BenchLM right now.

### 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 Ornith-1.0-397B cover on BenchLM?

Ornith-1.0-397B currently has 7 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Nemotron 3 Ultra vs Ornith-1.0-35B](/compare/nemotron-3-ultra-vs-ornith-1-0-35b)
- [Ornith-1.0-397B vs Ornith-1.0-35B](/compare/ornith-1-0-35b-vs-ornith-1-0-397b)
- [Nemotron 3 Ultra vs Ornith-1.0-9B](/compare/nemotron-3-ultra-vs-ornith-1-0-9b)
- [Ornith-1.0-397B vs Ornith-1.0-9B](/compare/ornith-1-0-397b-vs-ornith-1-0-9b)

## Explore More

- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Ornith-1.0-397B profile](/models/ornith-1-0-397b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)