# Laguna S 2.1 vs Beam

> Side-by-side benchmark comparison for Laguna S 2.1 and Beam across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-s-2-1-vs-reflection-beam
- Last updated: October 5, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Laguna S 2.1 if you want the stronger benchmark profile. Beam only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Laguna S 2.1 leads overall 53 to 0.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 70.2% and 80.1%.
- Beam is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Laguna S 2.1 also has the larger context window at 1M.

## Model Snapshot

| Property | Laguna S 2.1 | Beam |
|----------|----------|----------|
| Creator | Poolside | Reflection AI |
| Type | Open Weight | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | null |
| Overall Score | null | null |
| Benchmarks Covered | 6 | 16 |
| Pricing (input/output) | $0.10 / $0.20 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.2% | 80.1% | Beam |
| Toolathlon-Verified | 49.7% | Coming soon | Coming soon |
| MCP Atlas | Coming soon | 78.7% | Coming soon |
| BrowseComp | Coming soon | 77.4% | Coming soon |
| DeepSearchQA | Coming soon | 80.1% | Coming soon |

### Coding

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.2% | 80.1% | Beam |
| SWE Multilingual | 78.5% | 78% | Laguna S 2.1 |
| SWE-bench Pro | 59.4% | 65.5% | Beam |
| DeepSWE | 40.4% | 44.4% | Beam |
| SWE-Atlas Codebase QnA | Coming soon | 34.6% | Coming soon |
| SWE-bench Verified | Coming soon | 80.9% | Coming soon |
| SciCode | Coming soon | 49.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Beam | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 65.5% | Coming soon |

### Knowledge

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Beam | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | Coming soon | 90.5% | Coming soon |
| HLE w/o tools | Coming soon | 36.2% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Beam | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Beam | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 97.8% | Coming soon |

## FAQ

### Which is better overall, Laguna S 2.1 or Beam?

Laguna S 2.1 is ahead overall on BenchLM right now.

### How many benchmarks does Laguna S 2.1 cover on BenchLM?

Laguna S 2.1 currently has 6 sourced benchmark scores on BenchLM.

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

Beam currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Beam vs Laguna M.1](/compare/laguna-m-1-vs-reflection-beam)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)
- [Beam vs Laguna XS.2](/compare/laguna-xs-2-vs-reflection-beam)

## Explore More

- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [Beam profile](/models/reflection-beam)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)