# Laguna S 2.1 vs Laguna XS.2

> Side-by-side benchmark comparison for Laguna S 2.1 and Laguna XS.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-s-2-1-vs-laguna-xs-2
- Last updated: September 4, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Laguna S 2.1 if you want the stronger benchmark profile. Laguna XS.2 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 56 to 1.91.
- The clearest category separation is in agentic, where the averages are 48.2 for Laguna S 2.1 and 23.9 for Laguna XS.2.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 70.2% and 35.7%.
- Laguna XS.2 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 | Laguna XS.2 |
|----------|----------|----------|
| Creator | Poolside | Poolside |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | null | 1.91 |
| Benchmarks Covered | 6 | 10 |
| Pricing (input/output) | $0.10 / $0.20 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Laguna S 2.1 public-lane score: 48.2 (Estimated · #77/151)
- Laguna XS.2 public-lane score: 23.9 (Estimated · #148/151)

| Benchmark | Laguna S 2.1 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | 35.7% | Laguna S 2.1 |
| Toolathlon-Verified | 49.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 25.8% | Coming soon |

### Coding

- Winner: Coming soon
- Laguna S 2.1 public-lane score: 47.8 (Estimated · #87/183)
- Laguna XS.2 public-lane score: 25.2 (Supported · #178/183)

| Benchmark | Laguna S 2.1 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | 35.7% | Laguna S 2.1 |
| SWE Multilingual | 78.5% | 57.7% | Laguna S 2.1 |
| SWE-bench Pro | 59.4% | 46.3% | Laguna S 2.1 |
| deepSwe | 40.4% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 69.9% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 67.8% | Coming soon |
| SWE-bench (Vals) | Coming soon | 55.2% | Coming soon |

### Knowledge

- Winner: Coming soon
- Laguna S 2.1 public-lane score: Coming soon
- Laguna XS.2 public-lane score: 18.8 (Estimated · #181/181)

| Benchmark | Laguna S 2.1 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | Coming soon | 55.1% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 69.1% | Coming soon |

## FAQ

### Which is better overall, Laguna S 2.1 or Laguna XS.2?

Laguna S 2.1 is ahead overall on BenchLM right now.

### Where is the biggest gap between Laguna S 2.1 and Laguna XS.2?

The widest category gap is in agentic, where the averages are 48.2 for Laguna S 2.1 and 23.9 for Laguna XS.2.

### 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 Laguna XS.2 cover on BenchLM?

Laguna XS.2 currently has 10 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Laguna XS.2 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-xs-2)
- [Laguna S 2.1 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-laguna-s-2-1)
- [Laguna XS.2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-laguna-xs-2)

## Explore More

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