# Qwen3.8-27B vs Solar Open 2

> Side-by-side benchmark comparison for Qwen3.8-27B and Solar Open 2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-8-27b-vs-solar-open-2
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Qwen3.8-27B if you want the stronger benchmark profile. Solar Open 2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Qwen3.8-27B leads overall 64.52 to 0.
- The biggest single benchmark swing is GPQA-D in Knowledge, with scores of 89.2% and 86.3%.
- Solar Open 2 also has the larger context window at 1M.

## Model Snapshot

| Property | Qwen3.8-27B | Solar Open 2 |
|----------|----------|----------|
| Creator | Alibaba | Upstage |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | 1M |
| Overall Score | 64.52 | null |
| Benchmarks Covered | 33 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Qwen3.8-27B public-lane score: 63.4 (Supported · #13/152)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 73.0% | Coming soon | Coming soon |
| CoWorkBench | 70.7% | Coming soon | Coming soon |
| JobBench | 33.4% | Coming soon | Coming soon |
| Agents' Last Exam | 42.9% | Coming soon | Coming soon |
| OSWorld-Verified | 84.3% | Coming soon | Coming soon |
| WebArena-Verified | 64.8% | Coming soon | Coming soon |
| AndroidWorld | 81.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 58.4% | Coming soon | Coming soon |
| terminalBenchHard | Coming soon | 28.3% | Coming soon |
| APEX-Agents | Coming soon | 16.6% | Coming soon |
| MCP Atlas | Coming soon | 58.2% | Coming soon |

### Coding

- Winner: Coming soon
- Qwen3.8-27B public-lane score: 53.9 (Supported · #43/151)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 73.0% | Coming soon | Coming soon |
| SWE-bench Pro | 61.7% | Coming soon | Coming soon |
| NL2Repo | 42.3% | Coming soon | Coming soon |
| DeepSWE | 42.2% | Coming soon | Coming soon |
| LiveCodeBench v6 | 90.3% | 92.4% | Solar Open 2 |
| VulcanBench v3 | 82.6% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 84.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 70.4% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Qwen3.8-27B public-lane score: 80 (#11/48)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| MathVision | 90.0% | Coming soon | Coming soon |
| MathVision w/ Python | 94.6% | Coming soon | Coming soon |
| BabyVision | 65.7% | Coming soon | Coming soon |
| BabyVision w/ Python | 85.6% | Coming soon | Coming soon |
| Vision2Web | 62.9% | Coming soon | Coming soon |
| CharXiv w/o tools | 83.7% | Coming soon | Coming soon |
| CharXiv | 90.2% | Coming soon | Coming soon |
| OmniDocBench 1.5 | 91.1% | Coming soon | Coming soon |
| RealWorldQA | 85.9% | Coming soon | Coming soon |
| ERQA | 65.5% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Qwen3.8-27B public-lane score: 77.4 (#7/20)
- Solar Open 2 public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- Qwen3.8-27B public-lane score: 54.1 (Supported · #58/183)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.2% | Coming soon | Coming soon |
| GPQA-D | 89.2% | 86.3% | Qwen3.8-27B |
| HLE | 30.8% | Coming soon | Coming soon |
| HLE w/o tools | 30.8% | 28.8% | Qwen3.8-27B |
| GPQA Diamond (Vals) | 88.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 84.3% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.2% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Qwen3.8-27B public-lane score: 84.7 (#45/123)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.5% | 80% | Solar Open 2 |

### Mathematics

- Winner: Coming soon
- Qwen3.8-27B public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Qwen3.8-27B | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | Coming soon | 93.9% | Coming soon |
| AIME26 | Coming soon | 95.7% | Coming soon |

## FAQ

### Which is better overall, Qwen3.8-27B or Solar Open 2?

Qwen3.8-27B is ahead overall on BenchLM right now.

### How many benchmarks does Qwen3.8-27B cover on BenchLM?

Qwen3.8-27B currently has 33 sourced benchmark scores on BenchLM.

### How many benchmarks does Solar Open 2 cover on BenchLM?

Solar Open 2 currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Qwen3.8-27B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-8-27b)
- [Solar Open 2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-solar-open-2)
- [Qwen3.8-27B vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-8-27b)
- [Solar Open 2 vs GPT-6 Astra](/compare/gpt-6-astra-vs-solar-open-2)

## Explore More

- [Qwen3.8-27B profile](/models/qwen3-8-27b)
- [Solar Open 2 profile](/models/solar-open-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)