# Laguna S 2.1 vs Qwen3.8-Flash-Next

> Side-by-side benchmark comparison for Laguna S 2.1 and Qwen3.8-Flash-Next across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-s-2-1-vs-qwen3-8-flash-next
- Last updated: October 10, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Qwen3.8-Flash-Next leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Qwen3.8-Flash-Next has the higher overall point estimate 64.23 to 57. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is Toolathlon-Verified in Agentic, with scores of 49.7% and 73.5%.
- Qwen3.8-Flash-Next 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 | Qwen3.8-Flash-Next |
|----------|----------|----------|
| Creator | Poolside | Alibaba |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | null | 64.23 |
| Benchmarks Covered | 6 | 24 |
| Pricing (input/output) | $0.10 / $0.20 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 59.5 (Estimated · #24/123)

| Benchmark | Laguna S 2.1 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.2% | Coming soon | Coming soon |
| Toolathlon-Verified | 49.7% | 73.5% | Qwen3.8-Flash-Next |
| CoWorkBench | Coming soon | 73.9% | Coming soon |
| JobBench | Coming soon | 55.7% | Coming soon |
| Agents' Last Exam | Coming soon | 51.2% | Coming soon |
| AndroidWorld | Coming soon | 84.5% | Coming soon |
| OSWorld 2.0 | Coming soon | 19.4% | Coming soon |

### Coding

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 52.4 (Supported · #37/146)

| Benchmark | Laguna S 2.1 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.2% | Coming soon | Coming soon |
| SWE Multilingual | 78.5% | 81% | Qwen3.8-Flash-Next |
| SWE-bench Pro | 59.4% | 62.5% | Qwen3.8-Flash-Next |
| DeepSWE | 40.4% | 58.7% | Qwen3.8-Flash-Next |
| NL2Repo | Coming soon | 48.1% | Coming soon |
| LiveCodeBench v6 | Coming soon | 91.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 80.9 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 87.7 (#8/54)

| Benchmark | Laguna S 2.1 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Vision2Web | Coming soon | 64.0% | Coming soon |
| ERQA | Coming soon | 72.3% | Coming soon |
| LVBench | Coming soon | 76.6% | Coming soon |
| RealWorldQA | Coming soon | 88.5% | Coming soon |
| MathVision | Coming soon | 90.6% | Coming soon |
| MathVision w/ Python | Coming soon | 95.7% | Coming soon |
| CharXiv w/o tools | Coming soon | 84.6% | Coming soon |
| CharXiv | Coming soon | 90.6% | Coming soon |

### Knowledge

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 59.4 (Supported · #47/177)

| Benchmark | Laguna S 2.1 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 91.7% | Coming soon |
| GPQA-D | Coming soon | 91.7% | Coming soon |
| HLE | Coming soon | 35.9% | Coming soon |
| HLE w/o tools | Coming soon | 35.9% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Laguna S 2.1 public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 91.2 (#22/127)

| Benchmark | Laguna S 2.1 | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.3% | Coming soon |

## FAQ

### Which is better overall, Laguna S 2.1 or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### 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 Qwen3.8-Flash-Next cover on BenchLM?

Qwen3.8-Flash-Next currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Qwen3.8-Flash-Next vs Laguna M.1](/compare/laguna-m-1-vs-qwen3-8-flash-next)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)
- [Qwen3.8-Flash-Next vs Laguna XS.2](/compare/laguna-xs-2-vs-qwen3-8-flash-next)

## Explore More

- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [Qwen3.8-Flash-Next profile](/models/qwen3-8-flash-next)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)