# Nemotron 3.5 Bolt E4B BF16 vs Nemotron Diffusion 8B (optimized vLLM)

> Side-by-side benchmark comparison for Nemotron 3.5 Bolt E4B BF16 and Nemotron Diffusion 8B (optimized vLLM) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-5-bolt-e4b-bf16-vs-nemotron-diffusion-8b
- Last updated: October 23, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Nemotron 3.5 Bolt E4B BF16 and Nemotron Diffusion 8B (optimized vLLM).

## Summary

- Nemotron 3.5 Bolt E4B BF16 and Nemotron Diffusion 8B (optimized vLLM) 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 Bolt E4B BF16 | Nemotron Diffusion 8B (optimized vLLM) |
|----------|----------|----------|
| Creator | NVIDIA | pst2154 |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 64K | null |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 19 | 1 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon
- Nemotron Diffusion 8B (optimized vLLM) public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Bolt E4B BF16 | Nemotron Diffusion 8B (optimized vLLM) | Winner |
|-----------|-----------|-----------|--------|
| BFCL v3 | 68.5% | Coming soon | Coming soon |
| When2Call Multi-Turn | 63.36% | Coming soon | Coming soon |
| ToolSandbox | 68.77% | Coming soon | Coming soon |
| τ²-bench results | 55.1% | Coming soon | Coming soon |
| RelyToolBench | 63.16% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Nemotron 3.5 Bolt E4B BF16 public-lane score: 29 (Unranked · 1 rankable row)
- Nemotron Diffusion 8B (optimized vLLM) public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Bolt E4B BF16 | Nemotron Diffusion 8B (optimized vLLM) | Winner |
|-----------|-----------|-----------|--------|
| RULER (64K) | 86.99% | Coming soon | Coming soon |
| LongMemEval | 72.10% | Coming soon | Coming soon |
| LongBench v2 | 50.5% | Coming soon | Coming soon |
| JevBench 1.5 | Coming soon | 25.68 | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon
- Nemotron Diffusion 8B (optimized vLLM) public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Bolt E4B BF16 | Nemotron Diffusion 8B (optimized vLLM) | Winner |
|-----------|-----------|-----------|--------|
| GaRAGe | 42.61% | Coming soon | Coming soon |
| RAGTruth (provider reports) | 77.59% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon
- Nemotron Diffusion 8B (optimized vLLM) public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Bolt E4B BF16 | Nemotron Diffusion 8B (optimized vLLM) | Winner |
|-----------|-----------|-----------|--------|
| MultiChallenge (provider reports) | 53.10% | Coming soon | Coming soon |
| Brevity Benchmark | 82.52% | Coming soon | Coming soon |
| RoleBench | 67.05% | Coming soon | Coming soon |
| RoleMRC | 80.63% | Coming soon | Coming soon |
| IHEval | 84.79% | Coming soon | Coming soon |
| AgentIF | 25.81% | Coming soon | Coming soon |
| InverseIFEval | 46.84% | Coming soon | Coming soon |
| StructEval-T | 80.40% | Coming soon | Coming soon |
| SysBench | 67.88% | Coming soon | Coming soon |

## FAQ

### Can I compare Nemotron 3.5 Bolt E4B BF16 and Nemotron Diffusion 8B (optimized vLLM) 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 Bolt E4B BF16 vs Nemotron 3.5 Bolt E4B](/compare/nemotron-3-5-bolt-e4b-vs-nemotron-3-5-bolt-e4b-bf16)
- [Nemotron Diffusion 8B (optimized vLLM) vs Nemotron 3.5 Bolt E4B](/compare/nemotron-3-5-bolt-e4b-vs-nemotron-diffusion-8b)
- [Nemotron 3.5 Bolt E4B BF16 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-nemotron-3-5-bolt-e4b-bf16)
- [Nemotron Diffusion 8B (optimized vLLM) vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-nemotron-diffusion-8b)

## Explore More

- [Nemotron 3.5 Bolt E4B BF16 profile](/models/nemotron-3-5-bolt-e4b-bf16)
- [Nemotron Diffusion 8B (optimized vLLM) profile](/models/nemotron-diffusion-8b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)