# Beam vs Solar Pro 4

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

- Canonical page: https://benchlm.ai/compare/reflection-beam-vs-solar-pro-4
- Last updated: October 5, 2026

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

## Quick Verdict

Treat this as a split decision: use the category and benchmark breakdown to decide which profile better matches your workload.

## Summary

- Beam and Solar Pro 4 are tied on overall score, so the decision depends on category fit rather than the headline number.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 77.4% and 49.2%.
- Beam is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Solar Pro 4 also has the larger context window at 512K.

## Model Snapshot

| Property | Beam | Solar Pro 4 |
|----------|----------|----------|
| Creator | Reflection AI | Upstage |
| Type | Pending | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | null | 512K |
| Overall Score | null | null |
| Benchmarks Covered | 16 | 10 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Beam public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.1% | 57.0% | Beam |
| MCP Atlas | 78.7% | 61.4% | Beam |
| BrowseComp | 77.4% | 49.2% | Beam |
| DeepSearchQA | 80.1% | Coming soon | Coming soon |
| APEX-Agents | Coming soon | 18.7% | Coming soon |

### Coding

- Winner: Not comparable
- Beam public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 44.4% | Coming soon | Coming soon |
| SWE-bench Pro | 65.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 80.1% | 57.0% | Beam |
| SWE-Atlas Codebase QnA | 34.6% | Coming soon | Coming soon |
| SWE Multilingual | 78% | Coming soon | Coming soon |
| SWE-bench Verified | 80.9% | 70.6% | Beam |
| SciCode | 49.7% | Coming soon | Coming soon |
| LiveCodeBench | Coming soon | 87.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Beam public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 65.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Beam public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 90.5% | 89.0% | Beam |
| HLE w/o tools | 36.2% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.3% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Beam public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.7% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Beam public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Beam | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.8% | 95.3% | Beam |

## FAQ

### Which is better overall, Beam or Solar Pro 4?

Beam and Solar Pro 4 are tied on overall score in the current BenchLM data.

### How many benchmarks does Beam cover on BenchLM?

Beam currently has 16 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 vs Solar Pro 3](/compare/reflection-beam-vs-solar-pro-3)
- [Solar Pro 4 vs Solar Pro 3](/compare/solar-pro-3-vs-solar-pro-4)
- [Beam vs Solar Pro 2](/compare/reflection-beam-vs-solar-pro-2)
- [Solar Pro 4 vs Solar Pro 2](/compare/solar-pro-2-vs-solar-pro-4)

## Explore More

- [Beam profile](/models/reflection-beam)
- [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)