# Kimi K2.5 (Reasoning) vs Nemotron 3.5 Bolt E4B BF16

> Side-by-side benchmark comparison for Kimi K2.5 (Reasoning) and Nemotron 3.5 Bolt E4B BF16 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-5-reasoning-vs-nemotron-3-5-bolt-e4b-bf16
- Last updated: October 23, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Kimi K2.5 (Reasoning) and Nemotron 3.5 Bolt E4B BF16 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 Bolt E4B BF16 has the lower published output-token price.
- Kimi K2.5 (Reasoning) has the larger published context window at 128K.

## Model Snapshot

| Property | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 |
|----------|----------|----------|
| Creator | Moonshot AI | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 64K |
| Independent public score (not head-to-head) | 56.02 | null |
| Benchmarks Covered | 15 | 19 |
| Pricing (input/output) | $0.60 / $3.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: 38.5 (Estimated · #72/132)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 50.8% | Coming soon | Coming soon |
| BrowseComp | 60.6% | Coming soon | Coming soon |
| OSWorld-Verified | 63.3% | Coming soon | Coming soon |
| Gert Labs | 32.58% | Coming soon | Coming soon |
| BFCL v3 | Coming soon | 68.5% | Coming soon |
| When2Call Multi-Turn | Coming soon | 63.36% | Coming soon |
| ToolSandbox | Coming soon | 68.77% | Coming soon |
| τ²-bench results | Coming soon | 55.1% | Coming soon |
| RelyToolBench | Coming soon | 63.16% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 76.8% | Coming soon | Coming soon |
| LiveCodeBench v6 | 85.0% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 50.8% | Coming soon | Coming soon |
| Vibe Code Bench | 17.54% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: 66.3 (Unranked · 1 rankable row)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: 29 (Unranked · 1 rankable row)

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 61% | 50.5% | Kimi K2.5 (Reasoning) |
| RULER (64K) | Coming soon | 86.99% | Coming soon |
| LongMemEval | Coming soon | 72.10% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: 69 (#35/56)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 78.5% | Coming soon | Coming soon |
| CharXiv | 77.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: 48.2 (Estimated · #87/187)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.6% | Coming soon | Coming soon |
| MMLU-Pro | 87.1% | Coming soon | Coming soon |
| GaRAGe | Coming soon | 42.61% | Coming soon |
| RAGTruth (provider reports) | Coming soon | 77.59% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| MultiChallenge (provider reports) | Coming soon | 53.10% | Coming soon |
| Brevity Benchmark | Coming soon | 82.52% | Coming soon |
| RoleBench | Coming soon | 67.05% | Coming soon |
| RoleMRC | Coming soon | 80.63% | Coming soon |
| IHEval | Coming soon | 84.79% | Coming soon |
| AgentIF | Coming soon | 25.81% | Coming soon |
| InverseIFEval | Coming soon | 46.84% | Coming soon |
| StructEval-T | Coming soon | 80.40% | Coming soon |
| SysBench | Coming soon | 67.88% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 96.1% | Coming soon | Coming soon |
| HMMT Feb 2025 | 95.4% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Kimi K2.5 (Reasoning) and Nemotron 3.5 Bolt E4B BF16?

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

- [Kimi K2.5 (Reasoning) vs Kimi K2.5](/compare/kimi-k2-5-vs-kimi-k2-5-reasoning)
- [Nemotron 3.5 Bolt E4B BF16 vs Kimi K2.5](/compare/kimi-k2-5-vs-nemotron-3-5-bolt-e4b-bf16)
- [Kimi K2.5 (Reasoning) vs Nemotron 3.5 Bolt E4B](/compare/kimi-k2-5-reasoning-vs-nemotron-3-5-bolt-e4b)
- [Nemotron 3.5 Bolt E4B BF16 vs Nemotron 3.5 Bolt E4B](/compare/nemotron-3-5-bolt-e4b-vs-nemotron-3-5-bolt-e4b-bf16)

## Explore More

- [Kimi K2.5 (Reasoning) profile](/models/kimi-k2-5-reasoning)
- [Nemotron 3.5 Bolt E4B BF16 profile](/models/nemotron-3-5-bolt-e4b-bf16)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)