# Composer 2.5 vs Nemotron 3.5 Lightning 30B A3B NVFP4

> Side-by-side benchmark comparison for Composer 2.5 and Nemotron 3.5 Lightning 30B A3B NVFP4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/composer-2-5-vs-nemotron-3-5-lightning-30b-a3b-nvfp4
- Last updated: September 24, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Composer 2.5 and Nemotron 3.5 Lightning 30B A3B NVFP4 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Nemotron 3.5 Lightning 30B A3B NVFP4 has the lower published output-token price.
- Nemotron 3.5 Lightning 30B A3B NVFP4 has the larger published context window at 1M.

## Model Snapshot

| Property | Composer 2.5 | Nemotron 3.5 Lightning 30B A3B NVFP4 |
|----------|----------|----------|
| Creator | Cursor | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 1M |
| Independent public score (not head-to-head) | null | 19.1 |
| Benchmarks Covered | 7 | 13 |
| Pricing (input/output) | $0.50 / $2.50 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 7.3 (Estimated · #104/105)

| Benchmark | Composer 2.5 | Nemotron 3.5 Lightning 30B A3B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 58.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 23.5% | Coming soon |
| PinchBench | Coming soon | 83.4% | Coming soon |
| BrowseComp | Coming soon | 36.8% | Coming soon |
| τ³-bench results | Coming soon | 9.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 11.4 (Estimated · #135/135)

| Benchmark | Composer 2.5 | Nemotron 3.5 Lightning 30B A3B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.3% | Coming soon | Coming soon |
| SWE Multilingual | 79.8% | 36.5% | Composer 2.5 |
| cursorBench31 | 63.2% | Coming soon | Coming soon |
| cursorBench32 | 56.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 79.6% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 52.8% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 23.5% | Coming soon |
| SciCode | Coming soon | 31.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 55.9 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 20.7 (Estimated · #154/158)

| Benchmark | Composer 2.5 | Nemotron 3.5 Lightning 30B A3B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 75.6% | Coming soon |
| GPQA-D | Coming soon | 75.6% | Coming soon |
| HLE w/o tools | Coming soon | 10.5% | Coming soon |
| MMLU-Pro | Coming soon | 81.6% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 68.5 (#67/124)

| Benchmark | Composer 2.5 | Nemotron 3.5 Lightning 30B A3B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 72.9% | Coming soon |

## FAQ

### Is there enough evidence to pick between Composer 2.5 and Nemotron 3.5 Lightning 30B A3B NVFP4?

Not yet. The models share only 1 sourced benchmark row, 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

- [Composer 2.5 vs Composer 2](/compare/composer-2-vs-composer-2-5)
- [Nemotron 3.5 Lightning 30B A3B NVFP4 vs Composer 2](/compare/composer-2-vs-nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Composer 2.5 vs Composer 2 Fast](/compare/composer-2-5-vs-composer-2-fast)
- [Nemotron 3.5 Lightning 30B A3B NVFP4 vs Composer 2 Fast](/compare/composer-2-fast-vs-nemotron-3-5-lightning-30b-a3b-nvfp4)

## Explore More

- [Composer 2.5 profile](/models/composer-2-5)
- [Nemotron 3.5 Lightning 30B A3B NVFP4 profile](/models/nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)