# Beam 1.0 501B-A23B NVFP4 vs Solar Pro 4

> Side-by-side benchmark comparison for Beam 1.0 501B-A23B NVFP4 and Solar Pro 4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Beam 1.0 501B-A23B NVFP4 if you want the stronger benchmark profile. Solar Pro 4 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 0.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 75.6% and 49.2%.
- Beam 1.0 501B-A23B NVFP4 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Beam 1.0 501B-A23B NVFP4 also has the larger context window at 1M.

## Model Snapshot

| Property | Beam 1.0 501B-A23B NVFP4 | Solar Pro 4 |
|----------|----------|----------|
| Creator | Reflection AI | Upstage |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 512K |
| Overall Score | null | null |
| Benchmarks Covered | 19 | 10 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B NVFP4 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| τ³-bench results | 35.4% | Coming soon | Coming soon |
| HLE w/ tools | 51.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 78.4% | 57.0% | Beam 1.0 501B-A23B NVFP4 |
| MCP Atlas | 80.5% | 61.4% | Beam 1.0 501B-A23B NVFP4 |
| BrowseComp | 75.6% | 49.2% | Beam 1.0 501B-A23B NVFP4 |
| DeepSearchQA | 81.1% | Coming soon | Coming soon |
| APEX-Agents | Coming soon | 18.7% | Coming soon |

### Coding

- Winner: Not comparable
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B NVFP4 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 42.7% | Coming soon | Coming soon |
| SWE-bench Pro | 65.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 78.4% | 57.0% | Beam 1.0 501B-A23B NVFP4 |
| SWE-Atlas Codebase QnA | 31.4% | Coming soon | Coming soon |
| SWE Multilingual | 77.5% | Coming soon | Coming soon |
| SWE-bench Verified | 80.7% | 70.6% | Beam 1.0 501B-A23B NVFP4 |
| SciCode | 46.9% | Coming soon | Coming soon |
| LiveCodeBench | Coming soon | 87.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Beam 1.0 501B-A23B NVFP4 public-lane score: 85.5 (Unranked · 3 rankable rows)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B NVFP4 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 15.4% | Coming soon | Coming soon |
| LongBench v2 | 67.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B NVFP4 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 89.3% | 89.0% | Beam 1.0 501B-A23B NVFP4 |
| HLE w/o tools | 34.8% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.3% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Beam 1.0 501B-A23B NVFP4 public-lane score: 86.2 (#44/148)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B NVFP4 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Beam 1.0 501B-A23B NVFP4 public-lane score: 87.9 (Unranked · 1 rankable row)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam 1.0 501B-A23B NVFP4 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.5% | 95.3% | Beam 1.0 501B-A23B NVFP4 |

## FAQ

### Which is better overall, Beam 1.0 501B-A23B NVFP4 or Solar Pro 4?

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

### 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.

### How many benchmarks does Solar Pro 4 cover on BenchLM?

Solar Pro 4 currently has 10 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Beam 1.0 501B-A23B NVFP4 vs Beam 1.0 501B-A23B](/compare/reflection-beam-vs-reflection-beam-nvfp4)
- [Solar Pro 4 vs Beam 1.0 501B-A23B](/compare/reflection-beam-vs-solar-pro-4)
- [Beam 1.0 501B-A23B NVFP4 vs Beam 1.0 501B-A23B FP8](/compare/reflection-beam-fp8-vs-reflection-beam-nvfp4)
- [Solar Pro 4 vs Beam 1.0 501B-A23B FP8](/compare/reflection-beam-fp8-vs-solar-pro-4)

## Explore More

- [Beam 1.0 501B-A23B NVFP4 profile](/models/reflection-beam-nvfp4)
- [Solar Pro 4 profile](/models/solar-pro-4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)
