# Claude Sonnet 4.6 vs Laguna XS.2

> Side-by-side benchmark comparison for Claude Sonnet 4.6 and Laguna XS.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-4-6-vs-laguna-xs-2
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Claude Sonnet 4.6 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

- Claude Sonnet 4.6 leads overall 62.96 to 1.53.
- The clearest category separation is in knowledge, where the averages are 55.8 for Claude Sonnet 4.6 and 17.7 for Laguna XS.2.
- The biggest single benchmark swing is Terminal-Bench 2.1 (Vals) in Agentic, with scores of 57.3% and 25.8%.
- Laguna XS.2 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Laguna XS.2 also has the larger context window at 256K.

## Model Snapshot

| Property | Claude Sonnet 4.6 | Laguna XS.2 |
|----------|----------|----------|
| Creator | Anthropic | Poolside |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 256K |
| Overall Score | 62.96 | 1.53 |
| Benchmarks Covered | 25 | 10 |
| Pricing (input/output) | $3.00 / $15.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 44 (Supported · #93/152)
- Laguna XS.2 public-lane score: 22.4 (Estimated · #149/152)

| Benchmark | Claude Sonnet 4.6 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.1% | 35.7% | Claude Sonnet 4.6 |
| OSWorld-Verified | 72.1% | Coming soon | Coming soon |
| Claw-Eval | 67.8% | Coming soon | Coming soon |
| CyberGym | 65.2% | Coming soon | Coming soon |
| Gert Labs | 62.92% | Coming soon | Coming soon |
| OSWorld 2.0 | 8.3% | Coming soon | Coming soon |
| JobBench | 36.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 57.3% | 25.8% | Claude Sonnet 4.6 |

### Coding

- Winner: Claude Sonnet 4.6
- Claude Sonnet 4.6 public-lane score: 52.2 (Supported · #48/151)
- Laguna XS.2 public-lane score: 24.7 (Supported · #148/151)

| Benchmark | Claude Sonnet 4.6 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 79.6% | 69.9% | Claude Sonnet 4.6 |
| SWE-Rebench | 60.7% | Coming soon | Coming soon |
| React Native Evals | 80.6% | Coming soon | Coming soon |
| Vibe Code Bench | 51.48% | Coming soon | Coming soon |
| cursorBench31 | 48.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 24.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.1% | 67.8% | Claude Sonnet 4.6 |
| SWE-bench (Vals) | 77.4% | 55.2% | Claude Sonnet 4.6 |
| SWE Multilingual | Coming soon | 57.7% | Coming soon |
| SWE-bench Pro | Coming soon | 46.3% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 35.7% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 54.1 (#33/48)
- Laguna XS.2 public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.6 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 77.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 67.9 (Unranked · 2 rankable rows)
- Laguna XS.2 public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 55.8 (Supported · #51/183)
- Laguna XS.2 public-lane score: 17.7 (Estimated · #183/183)

| Benchmark | Claude Sonnet 4.6 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.9% | Coming soon | Coming soon |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 79.2% | Coming soon | Coming soon |
| HLE | 49% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 85.6% | 55.1% | Claude Sonnet 4.6 |
| MMLU-Pro (Vals) | 87.3% | 69.1% | Claude Sonnet 4.6 |

### Instruction Following

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 48.2 (#86/123)
- Laguna XS.2 public-lane score: Coming soon

### Mathematics

- Winner: Coming soon
- Claude Sonnet 4.6 public-lane score: 49 (Unranked · 2 rankable rows)
- Laguna XS.2 public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.6 | Laguna XS.2 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 32.400% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 8.300% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Sonnet 4.6 or Laguna XS.2?

Claude Sonnet 4.6 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Sonnet 4.6 and Laguna XS.2?

The widest category gap is in knowledge, where the averages are 55.8 for Claude Sonnet 4.6 and 17.7 for Laguna XS.2.

### How many benchmarks does Claude Sonnet 4.6 cover on BenchLM?

Claude Sonnet 4.6 currently has 25 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

- [Claude Sonnet 4.6 vs Laguna M.1](/compare/claude-sonnet-4-6-vs-laguna-m-1)
- [Laguna XS.2 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-xs-2)
- [Claude Sonnet 4.6 vs Laguna S 2.1](/compare/claude-sonnet-4-6-vs-laguna-s-2-1)
- [Laguna XS.2 vs Laguna S 2.1](/compare/laguna-s-2-1-vs-laguna-xs-2)

## Explore More

- [Claude Sonnet 4.6 profile](/models/claude-sonnet-4-6)
- [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)