# Nemotron 3 Ultra vs Ternary Bonsai 2 27B

> Side-by-side benchmark comparison for Nemotron 3 Ultra and Ternary Bonsai 2 27B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-ultra-vs-ternary-bonsai-2-27b
- Last updated: September 18, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Ternary Bonsai 2 27B 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

- Ternary Bonsai 2 27B leads overall 50.78 to 40.5.
- The clearest category separation is in reasoning, where the averages are 48.7 for Nemotron 3 Ultra and 73.9 for Ternary Bonsai 2 27B.
- The biggest single benchmark swing is SWE-bench Verified in Coding, with scores of 71.9% and 60.8%.
- Nemotron 3 Ultra also has the larger context window at 1M.

## Model Snapshot

| Property | Nemotron 3 Ultra | Ternary Bonsai 2 27B |
|----------|----------|----------|
| Creator | NVIDIA | Prism ML |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 40.5 | 50.78 |
| Benchmarks Covered | 24 | 21 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 26.9 (Supported · #147/154)
- Ternary Bonsai 2 27B public-lane score: 49.9 (Estimated · #59/154)

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 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 |
| τ²-bench results | Coming soon | 80.2% | Coming soon |
| BFCL v3 | Coming soon | 74.9% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 52.8% | Coming soon |

### Coding

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 26.6 (Supported · #149/154)
- Ternary Bonsai 2 27B public-lane score: 49.9 (Estimated · #64/154)

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 71.9% | 60.8% | Nemotron 3 Ultra |
| SWE Multilingual | 67.7% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.0% | 90.1% | Ternary Bonsai 2 27B |
| SciCode | 44.6% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 56.4% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.0% | Coming soon | Coming soon |
| BigCodeBench | Coming soon | 58.1% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 52.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: Coming soon
- Ternary Bonsai 2 27B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| CharXiv (overall) | Coming soon | 80.0% | Coming soon |
| A-OKVQA | Coming soon | 86.8% | Coming soon |
| OmniDocBench 1.6 | Coming soon | 89.1% | Coming soon |
| RealWorldQA | Coming soon | 80.1% | Coming soon |
| OCRBench V2 | Coming soon | 56.9% | Coming soon |

### Reasoning

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 48.7 (Unranked · 1 rankable row)
- Ternary Bonsai 2 27B public-lane score: 73.9 (Unranked · 1 rankable row)

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 3.1% | Coming soon | Coming soon |
| LongBench v2 | 61.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 44.8 (Estimated · #113/184)
- Ternary Bonsai 2 27B public-lane score: 50.6 (Estimated · #78/184)

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | 85.8% | Nemotron 3 Ultra |
| GPQA-D | 87.0% | 85.8% | Nemotron 3 Ultra |
| 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 |
| MMLU-Redux | Coming soon | 89.1% | Coming soon |

### Instruction Following

- Winner: Nemotron 3 Ultra
- Nemotron 3 Ultra public-lane score: 88.1 (#26/124)
- Ternary Bonsai 2 27B public-lane score: 71 (#64/124)

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 81.7% | 74% | Nemotron 3 Ultra |
| IFEval | Coming soon | 91.3% | Coming soon |

### Multilingual

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 47.4 (#7/12)
- Ternary Bonsai 2 27B public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 83% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: Coming soon
- Ternary Bonsai 2 27B public-lane score: 76.8 (Unranked · 4 rankable rows)

| Benchmark | Nemotron 3 Ultra | Ternary Bonsai 2 27B | Winner |
|-----------|-----------|-----------|--------|
| GSM8K | Coming soon | 96.7% | Coming soon |
| MATH-500 | Coming soon | 98.8% | Coming soon |
| AIME 2025 | Coming soon | 95% | Coming soon |
| AIME26 | Coming soon | 95.8% | Coming soon |

## FAQ

### Which is better overall, Nemotron 3 Ultra or Ternary Bonsai 2 27B?

Ternary Bonsai 2 27B is ahead overall on BenchLM right now.

### Where is the biggest gap between Nemotron 3 Ultra and Ternary Bonsai 2 27B?

The widest category gap is in reasoning, where the averages are 48.7 for Nemotron 3 Ultra and 73.9 for Ternary Bonsai 2 27B.

### 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 Ternary Bonsai 2 27B cover on BenchLM?

Ternary Bonsai 2 27B currently has 21 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Nemotron 3 Ultra vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-nemotron-3-ultra)
- [Ternary Bonsai 2 27B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-ternary-bonsai-2-27b)
- [Nemotron 3 Ultra vs GPT-6 Astra](/compare/gpt-6-astra-vs-nemotron-3-ultra)
- [Ternary Bonsai 2 27B vs GPT-6 Astra](/compare/gpt-6-astra-vs-ternary-bonsai-2-27b)

## Explore More

- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Ternary Bonsai 2 27B profile](/models/ternary-bonsai-2-27b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)