# Claude Opus 4.5 vs Nemotron 3.5 Bolt E4B BF16

> Side-by-side benchmark comparison for Claude Opus 4.5 and Nemotron 3.5 Bolt E4B BF16 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-5-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: Claude Opus 4.5 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.
- Claude Opus 4.5 has the larger published context window at 200K.

## Model Snapshot

| Property | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 |
|----------|----------|----------|
| Creator | Anthropic | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 64K |
| Independent public score (not head-to-head) | 53.97 | null |
| Benchmarks Covered | 61 | 19 |
| Pricing (input/output) | $5.00 / $25.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Opus 4.5 public-lane score: 32.4 (Estimated · #92/132)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.3% | Coming soon | Coming soon |
| OSWorld-Verified | 66.3% | Coming soon | Coming soon |
| OSWorld | 66.3% | Coming soon | Coming soon |
| Claw-Eval | 59.6% | Coming soon | Coming soon |
| QwenClawBench | 52.3% | Coming soon | Coming soon |
| τ³-bench results | 70.2% | Coming soon | Coming soon |
| VITA-Bench | 23.3% | Coming soon | Coming soon |
| DeepPlanning | 26.4% | Coming soon | Coming soon |
| Toolathlon | 43.5% | Coming soon | Coming soon |
| MCP Atlas | 42.3% | Coming soon | Coming soon |
| MCP-Tasks | 71.8% | Coming soon | Coming soon |
| WideResearch | 76.4% | Coming soon | Coming soon |
| CyberGym | 50.6% | Coming soon | Coming soon |
| Gert Labs | 64.23% | Coming soon | Coming soon |
| JobBench | 32.3% | 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
- Claude Opus 4.5 public-lane score: 40.4 (Estimated · #66/153)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.9% | Coming soon | Coming soon |
| LiveCodeBench v6 | 84.8% | Coming soon | Coming soon |
| SWE-bench Pro | 57.1% | Coming soon | Coming soon |
| SWE Multilingual | 77.5% | Coming soon | Coming soon |
| NL2Repo | 43.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 59.3% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Opus 4.5 public-lane score: 77.5 (Unranked · 4 rankable rows)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: 29 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 64.4% | 50.5% | Claude Opus 4.5 |
| AI-Needle | 74% | Coming soon | Coming soon |
| RULER (64K) | Coming soon | 86.99% | Coming soon |
| LongMemEval | Coming soon | 72.10% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Opus 4.5 public-lane score: 49.6 (#51/56)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 80.7% | Coming soon | Coming soon |
| MMMU-Pro | 70.6% | Coming soon | Coming soon |
| RealWorldQA | 77.0% | Coming soon | Coming soon |
| OmniDocBench 1.5 | 87.7% | Coming soon | Coming soon |
| Video-MME (with subtitle) | 77.6% | Coming soon | Coming soon |
| Video-MME (w/o subtitle) | 81.4% | Coming soon | Coming soon |
| MathVision | 74.3% | Coming soon | Coming soon |
| We-Math | 70.0% | Coming soon | Coming soon |
| DynaMath | 79.7% | Coming soon | Coming soon |
| SimpleVQA | 65.7% | Coming soon | Coming soon |
| CharXiv | 68.5% | Coming soon | Coming soon |
| CountBench | 90.6% | Coming soon | Coming soon |
| AI2D_TEST | 87.7% | Coming soon | Coming soon |
| ERQA | 46.8% | Coming soon | Coming soon |
| VideoMMMU | 84.4% | Coming soon | Coming soon |
| MLVU (M-Avg) | 81.7% | Coming soon | Coming soon |
| ScreenSpot Pro | 45.7% | Coming soon | Coming soon |
| V* | 67.0% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Opus 4.5 public-lane score: 50.5 (Estimated · #79/187)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | Coming soon | Coming soon |
| SuperGPQA | 70.6% | Coming soon | Coming soon |
| MMLU-Pro | 89.5% | Coming soon | Coming soon |
| MMLU-Redux | 96.6% | Coming soon | Coming soon |
| C-Eval | 92.2% | Coming soon | Coming soon |
| HLE | 30.8% | Coming soon | Coming soon |
| GaRAGe | Coming soon | 42.61% | Coming soon |
| RAGTruth (provider reports) | Coming soon | 77.59% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Claude Opus 4.5 public-lane score: 96.5 (#2/17)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 85.7% | Coming soon | Coming soon |
| NOVA-63 | 56.7% | Coming soon | Coming soon |
| INCLUDE | 86.2% | Coming soon | Coming soon |
| PolyMath | 79.0% | Coming soon | Coming soon |
| MAXIFE | 79.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Opus 4.5 public-lane score: 31.9 (#135/153)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 90.9% | Coming soon | Coming soon |
| IFBench | 58% | Coming soon | Coming soon |
| 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
- Claude Opus 4.5 public-lane score: 61.3 (#9/12)
- Nemotron 3.5 Bolt E4B BF16 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | Nemotron 3.5 Bolt E4B BF16 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.1% | Coming soon | Coming soon |
| HMMT Feb 2025 | 92.9% | Coming soon | Coming soon |
| HMMT Nov 2025 | 93.3% | Coming soon | Coming soon |
| HMMT Feb 2026 | 85.3% | Coming soon | Coming soon |
| MMAnswerBench | 84.0% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 34.386% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.878% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Opus 4.5 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

- [Claude Opus 4.5 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-vs-claude-opus-4-5-thinking)
- [Nemotron 3.5 Bolt E4B BF16 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-thinking-vs-nemotron-3-5-bolt-e4b-bf16)
- [Claude Opus 4.5 vs Nemotron 3.5 Bolt E4B](/compare/claude-opus-4-5-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

- [Claude Opus 4.5 profile](/models/claude-opus-4-5)
- [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)