# Mellum2-12B-A2.5B-Instruct vs Nemotron 3.5 Super VL 120B A12B

> Side-by-side benchmark comparison for Mellum2-12B-A2.5B-Instruct and Nemotron 3.5 Super VL 120B A12B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/mellum2-12b-a2-5b-instruct-vs-nemotron-3-5-super-vl-120b-a12b
- Last updated: October 15, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Mellum2-12B-A2.5B-Instruct and Nemotron 3.5 Super VL 120B A12B 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 3.5 Super VL 120B A12B has the larger published context window at 1M.

## Model Snapshot

| Property | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B |
|----------|----------|----------|
| Creator | JetBrains | NVIDIA |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | null | 49.51 |
| Benchmarks Covered | 6 | 19 |
| Pricing (input/output) | N/A | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Instruct public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: 44.2 (Estimated · #61/127)

| Benchmark | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | 44.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 66.7% | Coming soon |
| τ²-bench Airline | Coming soon | 76.5% | Coming soon |
| τ³-bench results | Coming soon | 18.9% | Coming soon |
| BrowseComp | Coming soon | 78% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Instruct public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: Coming soon

| Benchmark | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 37.2% | 88.2% | Nemotron 3.5 Super VL 120B A12B |
| SWE-bench Verified | Coming soon | 71.1% | Coming soon |
| SWE Multilingual | Coming soon | 67.7% | Coming soon |
| SWE-bench Pro | Coming soon | 51.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Instruct public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: 73 (Unranked · 2 rankable rows)

| Benchmark | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 10.9% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Instruct public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: 62 (Unranked · 5 rankable rows)

| Benchmark | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| BabyVision | Coming soon | 29.6% | Coming soon |
| MMLongBench-Doc | Coming soon | 62.8% | Coming soon |
| V* | Coming soon | 85.6% | Coming soon |
| MathVision | Coming soon | 78.2% | Coming soon |
| CharXiv | Coming soon | 80.8% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Instruct public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: 51.8 (Estimated · #73/184)

| Benchmark | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Redux | 78.1% | Coming soon | Coming soon |
| GPQA | 40.9% | Coming soon | Coming soon |
| GPQA-D | 40.9% | 89.5% | Nemotron 3.5 Super VL 120B A12B |
| HLE w/o tools | Coming soon | 31.8% | Coming soon |
| HLE | Coming soon | 29.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Instruct public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: 66.6 (#72/146)

| Benchmark | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 75.8% | Coming soon | Coming soon |
| IFBench | Coming soon | 70.9% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Mellum2-12B-A2.5B-Instruct public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: Coming soon

| Benchmark | Mellum2-12B-A2.5B-Instruct | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| Apex Shortlist | Coming soon | 88.4% | Coming soon |

## FAQ

### Is there enough evidence to pick between Mellum2-12B-A2.5B-Instruct and Nemotron 3.5 Super VL 120B A12B?

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

- [Mellum2-12B-A2.5B-Instruct vs Mellum2-12B-A2.5B-Thinking](/compare/mellum2-12b-a2-5b-instruct-vs-mellum2-12b-a2-5b-thinking)
- [Nemotron 3.5 Super VL 120B A12B vs Mellum2-12B-A2.5B-Thinking](/compare/mellum2-12b-a2-5b-thinking-vs-nemotron-3-5-super-vl-120b-a12b)
- [Mellum2-12B-A2.5B-Instruct vs Nemotron 3.5 Super VL 120B A12B NVFP4](/compare/mellum2-12b-a2-5b-instruct-vs-nemotron-3-5-super-vl-120b-a12b-nvfp4)
- [Nemotron 3.5 Super VL 120B A12B vs Nemotron 3.5 Super VL 120B A12B NVFP4](/compare/nemotron-3-5-super-vl-120b-a12b-vs-nemotron-3-5-super-vl-120b-a12b-nvfp4)

## Explore More

- [Mellum2-12B-A2.5B-Instruct profile](/models/mellum2-12b-a2-5b-instruct)
- [Nemotron 3.5 Super VL 120B A12B profile](/models/nemotron-3-5-super-vl-120b-a12b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)