# Grok 4.20 vs Nemotron 3.5 Super VL 120B A12B

> Side-by-side benchmark comparison for Grok 4.20 and Nemotron 3.5 Super VL 120B A12B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-20-beta-vs-nemotron-3-5-super-vl-120b-a12b
- Last updated: October 15, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Grok 4.20 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Grok 4.20 has the higher overall point estimate 57.64 to 49.51. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 44.9 for Grok 4.20 and 73 for Nemotron 3.5 Super VL 120B A12B.
- The biggest single benchmark swing is CharXiv in Multimodal & Grounded, with scores of 60.9% and 80.8%.
- Nemotron 3.5 Super VL 120B A12B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Grok 4.20 also has the larger context window at 2M.

## Model Snapshot

| Property | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B |
|----------|----------|----------|
| Creator | xAI | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 2M | 1M |
| Overall Score | 57.64 | 49.51 |
| Benchmarks Covered | 24 | 19 |
| Pricing (input/output) | $1.25 / $2.50 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Directional only
- Grok 4.20 public-lane score: 25.2 (Supported · #102/127)
- Nemotron 3.5 Super VL 120B A12B public-lane score: 44.2 (Estimated · #61/127)

| Benchmark | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 47.1% | Coming soon | Coming soon |
| DeepSearchQA | 62.8% | Coming soon | Coming soon |
| Gert Labs | 38.36% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 44.2% | Coming soon | Coming soon |
| MazeBench | 0% | 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: Not comparable
- Grok 4.20 public-lane score: 21.5 (Supported · #118/150)
- Nemotron 3.5 Super VL 120B A12B public-lane score: Coming soon

| Benchmark | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 74.2% | Coming soon | Coming soon |
| SWE-bench Verified | 76.7% | 71.1% | Grok 4.20 |
| SWE-bench Pro | 51.8% | 51.8% | Grok 4.20 |
| Vibe Code Bench | 4.06% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 84.3% | Coming soon | Coming soon |
| SWE-bench (Vals) | 72.2% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 88.2% | Coming soon |
| SWE Multilingual | Coming soon | 67.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Grok 4.20 public-lane score: 44.9 (Unranked · 2 rankable rows)
- Nemotron 3.5 Super VL 120B A12B public-lane score: 73 (Unranked · 2 rankable rows)

| Benchmark | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 53.3% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.1% | Coming soon | Coming soon |
| CritPt | Coming soon | 10.9% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Grok 4.20 public-lane score: 53.4 (#47/54)
- Nemotron 3.5 Super VL 120B A12B public-lane score: 62 (Unranked · 5 rankable rows)

| Benchmark | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 75.2% | Coming soon | Coming soon |
| CharXiv | 60.9% | 80.8% | Nemotron 3.5 Super VL 120B A12B |
| ERQA | 54.1% | Coming soon | Coming soon |
| SimpleVQA | 57.4% | Coming soon | Coming soon |
| MedXpertQA (MM) | 65.8% | Coming soon | Coming soon |
| 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 |

### Knowledge

- Winner: Directional only
- Grok 4.20 public-lane score: 52.9 (Supported · #69/184)
- Nemotron 3.5 Super VL 120B A12B public-lane score: 51.8 (Estimated · #73/184)

| Benchmark | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 88.5% | 89.5% | Nemotron 3.5 Super VL 120B A12B |
| HLE w/o tools | 31.6% | 31.8% | Nemotron 3.5 Super VL 120B A12B |
| HealthBench Hard | 20.3% | Coming soon | Coming soon |
| MedXpertQA (Text) | 50.2% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 88.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.3% | Coming soon | Coming soon |
| HLE | Coming soon | 29.2% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Grok 4.20 public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: 66.6 (#72/146)

| Benchmark | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 70.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- Grok 4.20 public-lane score: Coming soon
- Nemotron 3.5 Super VL 120B A12B public-lane score: Coming soon

| Benchmark | Grok 4.20 | Nemotron 3.5 Super VL 120B A12B | Winner |
|-----------|-----------|-----------|--------|
| Apex Shortlist | Coming soon | 88.4% | Coming soon |

## FAQ

### Which is better overall, Grok 4.20 or Nemotron 3.5 Super VL 120B A12B?

Grok 4.20 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Grok 4.20 and Nemotron 3.5 Super VL 120B A12B?

The widest category gap is in reasoning, where the averages are 44.9 for Grok 4.20 and 73 for Nemotron 3.5 Super VL 120B A12B.

### How many benchmarks does Grok 4.20 cover on BenchLM?

Grok 4.20 currently has 24 sourced benchmark scores on BenchLM.

### How many benchmarks does Nemotron 3.5 Super VL 120B A12B cover on BenchLM?

Nemotron 3.5 Super VL 120B A12B currently has 19 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Grok 4.20 vs Grok 4.20 Multi-agent](/compare/grok-4-20-beta-vs-grok-4-20-multi-agent-beta)
- [Nemotron 3.5 Super VL 120B A12B vs Grok 4.20 Multi-agent](/compare/grok-4-20-multi-agent-beta-vs-nemotron-3-5-super-vl-120b-a12b)
- [Grok 4.20 vs Nemotron 3.5 Super VL 120B A12B NVFP4](/compare/grok-4-20-beta-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

- [Grok 4.20 profile](/models/grok-4-20-beta)
- [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)