# Laguna S 2.1 vs Pareto 26.9

> Side-by-side benchmark comparison for Laguna S 2.1 and Pareto 26.9 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-s-2-1-vs-pareto-26-9
- Last updated: September 18, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Laguna S 2.1 and Pareto 26.9 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Laguna S 2.1 has the lower published output-token price.
- Laguna S 2.1 has the larger published context window at 1M.

## Model Snapshot

| Property | Laguna S 2.1 | Pareto 26.9 |
|----------|----------|----------|
| Creator | Poolside | Unbiased |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | N/A |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 6 | 4 |
| Pricing (input/output) | $0.10 / $0.20 | $2.50 / $7.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 47.3 (Estimated · #72/154)
- Pareto 26.9 public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Pareto 26.9 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | Coming soon | Coming soon |
| Toolathlon-Verified | 49.7% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 51.00% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 46.7 (Estimated · #84/154)
- Pareto 26.9 public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Pareto 26.9 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | Coming soon | Coming soon |
| SWE Multilingual | 78.5% | Coming soon | Coming soon |
| SWE-bench Pro | 59.4% | Coming soon | Coming soon |
| DeepSWE | 40.4% | 74.0% | Pareto 26.9 |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- Pareto 26.9 public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Pareto 26.9 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 78% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- Pareto 26.9 public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Pareto 26.9 | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | Coming soon | 49% | Coming soon |

## FAQ

### Is there enough evidence to pick between Laguna S 2.1 and Pareto 26.9?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Pareto 26.9 vs Laguna M.1](/compare/laguna-m-1-vs-pareto-26-9)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)
- [Pareto 26.9 vs Laguna XS.2](/compare/laguna-xs-2-vs-pareto-26-9)

## Explore More

- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [Pareto 26.9 profile](/models/pareto-26-9)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)