# Nemotron 3.5 Lightning 30B A3B NVFP4 vs Voxtral 4B TTS 2603

> Side-by-side benchmark comparison for Nemotron 3.5 Lightning 30B A3B NVFP4 and Voxtral 4B TTS 2603 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-5-lightning-30b-a3b-nvfp4-vs-voxtral-4b-tts-2603
- Last updated: September 24, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Nemotron 3.5 Lightning 30B A3B NVFP4 and Voxtral 4B TTS 2603.

## Summary

- Nemotron 3.5 Lightning 30B A3B NVFP4 and Voxtral 4B TTS 2603 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Nemotron 3.5 Lightning 30B A3B NVFP4 | Voxtral 4B TTS 2603 |
|----------|----------|----------|
| Creator | NVIDIA | Mistral AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | N/A |
| Independent public score (not head-to-head) | 19.1 | null |
| Benchmarks Covered | 13 | 0 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 7.3 (Estimated · #104/105)
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 23.5% | Coming soon | Coming soon |
| PinchBench | 83.4% | Coming soon | Coming soon |
| BrowseComp | 36.8% | Coming soon | Coming soon |
| τ³-bench results | 9.5% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 11.4 (Estimated · #135/135)
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 52.8% | Coming soon | Coming soon |
| SWE Multilingual | 36.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 23.5% | Coming soon | Coming soon |
| SciCode | 31.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 55.9 (Unranked · 1 rankable row)
- Voxtral 4B TTS 2603 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 20.7 (Estimated · #154/158)
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 75.6% | Coming soon | Coming soon |
| GPQA-D | 75.6% | Coming soon | Coming soon |
| HLE w/o tools | 10.5% | Coming soon | Coming soon |
| MMLU-Pro | 81.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 68.5 (#67/124)
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 72.9% | Coming soon | Coming soon |

## FAQ

### Can I compare Nemotron 3.5 Lightning 30B A3B NVFP4 and Voxtral 4B TTS 2603 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Nemotron 3.5 Lightning 30B A3B NVFP4 vs GPT-6 Astra](/compare/gpt-6-astra-vs-nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Voxtral 4B TTS 2603 vs GPT-6 Astra](/compare/gpt-6-astra-vs-voxtral-4b-tts-2603)
- [Nemotron 3.5 Lightning 30B A3B NVFP4 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Voxtral 4B TTS 2603 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-voxtral-4b-tts-2603)

## Explore More

- [Nemotron 3.5 Lightning 30B A3B NVFP4 profile](/models/nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Voxtral 4B TTS 2603 profile](/models/voxtral-4b-tts-2603)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)