# Kimi K2.5 (Reasoning) vs Nemotron 3 Nano Omni 30B A3B

> Side-by-side benchmark comparison for Kimi K2.5 (Reasoning) and Nemotron 3 Nano Omni 30B A3B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-5-reasoning-vs-nemotron-3-nano-omni-30b-a3b
- Last updated: September 29, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Kimi K2.5 (Reasoning) and Nemotron 3 Nano Omni 30B A3B share only 3 sourced benchmark rows.

## Summary

- Only 3 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 Nano Omni 30B A3B has the lower published output-token price.
- Nemotron 3 Nano Omni 30B A3B has the larger published context window at 256K.

## Model Snapshot

| Property | Kimi K2.5 (Reasoning) | Nemotron 3 Nano Omni 30B A3B |
|----------|----------|----------|
| Creator | Moonshot AI | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 256K |
| Independent public score (not head-to-head) | null | 30.7 |
| Benchmarks Covered | 9 | 16 |
| Pricing (input/output) | $0.60 / $3.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 50.8% | Coming soon | Coming soon |
| BrowseComp | 60.6% | Coming soon | Coming soon |
| Gert Labs | 32.58% | Coming soon | Coming soon |
| OSWorld | Coming soon | 47.4% | Coming soon |
| τ²-bench results | Coming soon | 45.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 20.4 (Estimated · #121/143)

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 76.8% | Coming soon | Coming soon |
| Vibe Code Bench | 17.54% | Coming soon | Coming soon |
| LiveCodeBench v5 | Coming soon | 63.2% | Coming soon |
| SciCode | Coming soon | 32% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 49.5 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: 64.4 (Unranked · 1 rankable row)
- Nemotron 3 Nano Omni 30B A3B public-lane score: 40.3 (#44/50)

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 78.5% | Coming soon | Coming soon |
| MMMU | Coming soon | 70.8% | Coming soon |
| MMLongBench-Doc | Coming soon | 57.5% | Coming soon |
| CharXiv | Coming soon | 76.3% | Coming soon |
| ScreenSpot Pro | Coming soon | 57.8% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 72.2% | Coming soon |
| AI2D_TEST | Coming soon | 88.5% | Coming soon |
| RefCOCO (avg) | Coming soon | 90.5% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 32.1 (Supported · #131/169)

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.6% | 72.2% | Kimi K2.5 (Reasoning) |
| MMLU-Pro | 87.1% | 77.3% | Kimi K2.5 (Reasoning) |
| GPQA-D | Coming soon | 72.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: 72.4 (#62/124)

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 74.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3 Nano Omni 30B A3B public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3 Nano Omni 30B A3B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 96.1% | 82.1% | Kimi K2.5 (Reasoning) |

## FAQ

### Is there enough evidence to pick between Kimi K2.5 (Reasoning) and Nemotron 3 Nano Omni 30B A3B?

Not yet. The models share only 3 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

- [Kimi K2.5 (Reasoning) vs Kimi K2.5](/compare/kimi-k2-5-vs-kimi-k2-5-reasoning)
- [Nemotron 3 Nano Omni 30B A3B vs Kimi K2.5](/compare/kimi-k2-5-vs-nemotron-3-nano-omni-30b-a3b)
- [Kimi K2.5 (Reasoning) vs GPT-6 Astra](/compare/gpt-6-astra-vs-kimi-k2-5-reasoning)
- [Nemotron 3 Nano Omni 30B A3B vs GPT-6 Astra](/compare/gpt-6-astra-vs-nemotron-3-nano-omni-30b-a3b)

## Explore More

- [Kimi K2.5 (Reasoning) profile](/models/kimi-k2-5-reasoning)
- [Nemotron 3 Nano Omni 30B A3B profile](/models/nemotron-3-nano-omni-30b-a3b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)