# Gemini 3.5 Flash-Lite vs Laguna S 2.1

> Side-by-side benchmark comparison for Gemini 3.5 Flash-Lite and Laguna S 2.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-5-flash-lite-vs-laguna-s-2-1
- Last updated: September 4, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 3.5 Flash-Lite and Laguna S 2.1 share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are 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.

## Model Snapshot

| Property | Gemini 3.5 Flash-Lite | Laguna S 2.1 |
|----------|----------|----------|
| Creator | Google | Poolside |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 60.5 | null |
| Benchmarks Covered | 10 | 6 |
| Pricing (input/output) | $0.30 / $2.50 | $0.10 / $0.20 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3.5 Flash-Lite public-lane score: 43.4 (Estimated · #104/151)
- Laguna S 2.1 public-lane score: 48.2 (Estimated · #77/151)

| Benchmark | Gemini 3.5 Flash-Lite | Laguna S 2.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54% | 70.2% | Laguna S 2.1 |
| OSWorld-Verified | 74% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 50.2% | Coming soon | Coming soon |
| Toolathlon-Verified | Coming soon | 49.7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3.5 Flash-Lite public-lane score: 43.6 (Supported · #121/183)
- Laguna S 2.1 public-lane score: 47.8 (Estimated · #87/183)

| Benchmark | Gemini 3.5 Flash-Lite | Laguna S 2.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54.0% | 70.2% | Laguna S 2.1 |
| SWE-bench Pro | 54.2% | 59.4% | Laguna S 2.1 |
| LiveCodeBench (Vals) | 79.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 75.0% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 78.5% | Coming soon |
| deepSwe | Coming soon | 40.4% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3.5 Flash-Lite public-lane score: 76.1 (#16/48)
- Laguna S 2.1 public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3.5 Flash-Lite public-lane score: 60.8 (Unranked · 3 rankable rows)
- Laguna S 2.1 public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash-Lite | Laguna S 2.1 | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 72.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3.5 Flash-Lite public-lane score: 53 (Supported · #71/181)
- Laguna S 2.1 public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash-Lite | Laguna S 2.1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 83.8% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.8% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 3.5 Flash-Lite and Laguna S 2.1?

Not yet. The models share only 3 sourced benchmark rows, 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

- [Gemini 3.5 Flash-Lite vs Laguna M.1](/compare/gemini-3-5-flash-lite-vs-laguna-m-1)
- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Gemini 3.5 Flash-Lite vs Laguna XS.2](/compare/gemini-3-5-flash-lite-vs-laguna-xs-2)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)

## Explore More

- [Gemini 3.5 Flash-Lite profile](/models/gemini-3-5-flash-lite)
- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)