# Claude Opus 4.8 vs Beam 1.0 501B-A23B NVFP4

> Side-by-side benchmark comparison for Claude Opus 4.8 and Beam 1.0 501B-A23B NVFP4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-8-vs-reflection-beam-nvfp4
- Last updated: October 16, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Beam 1.0 501B-A23B NVFP4 if you want the stronger benchmark profile. Claude Opus 4.8 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Beam 1.0 501B-A23B NVFP4 leads overall 70 to 69.99.
- The clearest category separation is in reasoning, where the averages are 62.8 for Claude Opus 4.8 and 85.5 for Beam 1.0 501B-A23B NVFP4.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 49.8% and 34.8%.
- Beam 1.0 501B-A23B NVFP4 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 |
|----------|----------|----------|
| Creator | Anthropic | Reflection AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 69.99 | null |
| Benchmarks Covered | 41 | 19 |
| Pricing (input/output) | $5.00 / $25.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 63.4 (Supported · #19/128)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 21.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | 78.4% | Beam 1.0 501B-A23B NVFP4 |
| BrowseComp | 84.3% | 75.6% | Claude Opus 4.8 |
| DeepSearchQA | 93.1% | 81.1% | Claude Opus 4.8 |
| OSWorld-Verified | 83.4% | Coming soon | Coming soon |
| Finance Agent v2 | 53.9% | Coming soon | Coming soon |
| MCP Atlas | 82.2% | 80.5% | Claude Opus 4.8 |
| Toolathlon | 59.9% | Coming soon | Coming soon |
| Gert Labs | 72.97% | Coming soon | Coming soon |
| ResearchClawBench | 21.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 20.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 71.9% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 35.4% | Coming soon |
| HLE w/ tools | Coming soon | 51.1% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 60.7 (Supported · #19/150)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 88.6% | 80.7% | Claude Opus 4.8 |
| SWE-bench Pro | 69.2% | 65.6% | Claude Opus 4.8 |
| SWE Multilingual | 84.4% | 77.5% | Claude Opus 4.8 |
| SWE Multimodal | 38.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 74.6% | 78.4% | Beam 1.0 501B-A23B NVFP4 |
| cursorBench31 | 58.4% | Coming soon | Coming soon |
| CursorBench 3.2 | 62.3% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 46.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 88.6% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 32.9% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 42.7% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 31.4% | Coming soon |
| SciCode | Coming soon | 46.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 62.8 (#24/28)
- Beam 1.0 501B-A23B NVFP4 public-lane score: 85.5 (Unranked · 3 rankable rows)

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 1.5% | Coming soon | Coming soon |
| ARC-AGI-1 | 92.50% | Coming soon | Coming soon |
| CritPt | Coming soon | 15.4% | Coming soon |
| LongBench v2 | Coming soon | 67.2% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 91.2 (#5/54)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |
| ScreenSpot Pro | 87.9% | Coming soon | Coming soon |
| CharXiv | 89.9% | Coming soon | Coming soon |
| CharXiv w/o tools | 80.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 71.9 (Supported · #15/184)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 93.6% | Coming soon | Coming soon |
| GPQA-D | 93.6% | 89.3% | Claude Opus 4.8 |
| HLE | 57.9% | Coming soon | Coming soon |
| HLE w/o tools | 49.8% | 34.8% | Claude Opus 4.8 |
| GPQA Diamond (Vals) | 92.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.6% | Coming soon | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: Coming soon
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| INCLUDE | 87.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Opus 4.8 public-lane score: 75.4 (#65/148)
- Beam 1.0 501B-A23B NVFP4 public-lane score: 86.2 (#44/148)

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.2% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.8 public-lane score: 84.4 (#1/12)
- Beam 1.0 501B-A23B NVFP4 public-lane score: 87.9 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.8 | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 96.7% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 80.000% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 56.098% | Coming soon | Coming soon |
| AIME26 | Coming soon | 97.5% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.8 or Beam 1.0 501B-A23B NVFP4?

Beam 1.0 501B-A23B NVFP4 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.8 and Beam 1.0 501B-A23B NVFP4?

The widest category gap is in reasoning, where the averages are 62.8 for Claude Opus 4.8 and 85.5 for Beam 1.0 501B-A23B NVFP4.

### How many benchmarks does Claude Opus 4.8 cover on BenchLM?

Claude Opus 4.8 currently has 41 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam 1.0 501B-A23B NVFP4 cover on BenchLM?

Beam 1.0 501B-A23B NVFP4 currently has 19 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.8 vs Beam 1.0 501B-A23B](/compare/claude-opus-4-8-vs-reflection-beam)
- [Beam 1.0 501B-A23B NVFP4 vs Beam 1.0 501B-A23B](/compare/reflection-beam-vs-reflection-beam-nvfp4)
- [Claude Opus 4.8 vs Beam 1.0 501B-A23B FP8](/compare/claude-opus-4-8-vs-reflection-beam-fp8)
- [Beam 1.0 501B-A23B NVFP4 vs Beam 1.0 501B-A23B FP8](/compare/reflection-beam-fp8-vs-reflection-beam-nvfp4)

## Explore More

- [Claude Opus 4.8 profile](/models/claude-opus-4-8)
- [Beam 1.0 501B-A23B NVFP4 profile](/models/reflection-beam-nvfp4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)