# GPT-5.6 Sol vs Qwen3.8-Flash-Next

> Side-by-side benchmark comparison for GPT-5.6 Sol and Qwen3.8-Flash-Next across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-6-sol-vs-qwen3-8-flash-next
- Last updated: October 10, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

GPT-5.6 Sol leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- GPT-5.6 Sol has the higher overall point estimate 77.81 to 64.23. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 78.8 for GPT-5.6 Sol and 59.4 for Qwen3.8-Flash-Next.
- The biggest single benchmark swing is OSWorld 2.0 in Agentic, with scores of 62.6% and 19.4%.
- Qwen3.8-Flash-Next is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-5.6 Sol also has the larger context window at 1.05M.

## Model Snapshot

| Property | GPT-5.6 Sol | Qwen3.8-Flash-Next |
|----------|----------|----------|
| Creator | OpenAI | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 262K |
| Overall Score | 77.81 | 64.23 |
| Benchmarks Covered | 40 | 24 |
| Pricing (input/output) | $4.00 / $20.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- GPT-5.6 Sol public-lane score: 67.8 (Supported · #11/123)
- Qwen3.8-Flash-Next public-lane score: 59.5 (Estimated · #24/123)

| Benchmark | GPT-5.6 Sol | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 34.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 91.9% | Coming soon | Coming soon |
| BrowseComp | 92.2% | Coming soon | Coming soon |
| OSWorld 2.0 | 62.6% | 19.4% | GPT-5.6 Sol |
| CyberGym | 84.5% | Coming soon | Coming soon |
| ExploitGym | 33.7% | Coming soon | Coming soon |
| Toolathlon | 58% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 85.8% | Coming soon | Coming soon |
| ApprenticeBench | 26% | Coming soon | Coming soon |
| CoWorkBench | Coming soon | 73.9% | Coming soon |
| JobBench | Coming soon | 55.7% | Coming soon |
| Agents' Last Exam | Coming soon | 51.2% | Coming soon |
| Toolathlon-Verified | Coming soon | 73.5% | Coming soon |
| AndroidWorld | Coming soon | 84.5% | Coming soon |

### Coding

- Winner: GPT-5.6 Sol
- GPT-5.6 Sol public-lane score: 68.7 (Supported · #9/146)
- Qwen3.8-Flash-Next public-lane score: 52.4 (Supported · #37/146)

| Benchmark | GPT-5.6 Sol | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | 42.0 fixes | Coming soon | Coming soon |
| SWE-bench Pro | 64.6% | 62.5% | GPT-5.6 Sol |
| Terminal-Bench 2.1 | 91.9% | Coming soon | Coming soon |
| DeepSWE | 72.7% | 58.7% | GPT-5.6 Sol |
| FrontierCode 1.1 Extended | 60.6% | Coming soon | Coming soon |
| FrontierSWE v2 | 32.2% | Coming soon | Coming soon |
| CursorBench 3.2 | 67.2% | Coming soon | Coming soon |
| VulcanBench v3 | 87.0% | Coming soon | Coming soon |
| VulcanBench CII v1 | 86.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.6% | Coming soon | Coming soon |
| SWE-bench (Vals) | 96.2% | Coming soon | Coming soon |
| CursorBench 4.0 | 41.7% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 36.2% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 81% | Coming soon |
| NL2Repo | Coming soon | 48.1% | Coming soon |
| LiveCodeBench v6 | Coming soon | 91.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- GPT-5.6 Sol public-lane score: 75.8 (#15/28)
- Qwen3.8-Flash-Next public-lane score: 80.9 (Unranked · 2 rankable rows)

| Benchmark | GPT-5.6 Sol | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 92.5% | Coming soon | Coming soon |
| ARC-AGI-3 | 7.8% | Coming soon | Coming soon |
| GeneBench-Pro | 28.7% | Coming soon | Coming soon |
| ARC-AGI-1 | 96.50% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- GPT-5.6 Sol public-lane score: 89.8 (#6/54)
- Qwen3.8-Flash-Next public-lane score: 87.7 (#8/54)

| Benchmark | GPT-5.6 Sol | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 83% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 84.6% | Coming soon | Coming soon |
| 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: GPT-5.6 Sol
- GPT-5.6 Sol public-lane score: 78.8 (Supported · #9/177)
- Qwen3.8-Flash-Next public-lane score: 59.4 (Supported · #47/177)

| Benchmark | GPT-5.6 Sol | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.6% | 91.7% | GPT-5.6 Sol |
| GPQA-D | 94.6% | 91.7% | GPT-5.6 Sol |
| HLE-Verified | 54.5% | Coming soon | Coming soon |
| LABBench2 | 82.1% | Coming soon | Coming soon |
| HealthBench Professional | 60.5% | Coming soon | Coming soon |
| HealthBench Hard | 33.1% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 95.2% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.1% | Coming soon | Coming soon |
| HLE | Coming soon | 35.9% | Coming soon |
| HLE w/o tools | Coming soon | 35.9% | Coming soon |

### Instruction Following

- Winner: Directional only
- GPT-5.6 Sol public-lane score: 89.1 (#30/127)
- Qwen3.8-Flash-Next public-lane score: 91.2 (#22/127)

| Benchmark | GPT-5.6 Sol | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 27.0% | Coming soon | Coming soon |
| IFBench | Coming soon | 81.3% | Coming soon |

### Mathematics

- Winner: Not comparable
- GPT-5.6 Sol public-lane score: 97.3 (Unranked · 3 rankable rows)
- Qwen3.8-Flash-Next public-lane score: Coming soon

| Benchmark | GPT-5.6 Sol | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | 89% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 89.000% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 83.000% | Coming soon | Coming soon |

## FAQ

### Which is better overall, GPT-5.6 Sol or Qwen3.8-Flash-Next?

GPT-5.6 Sol has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GPT-5.6 Sol and Qwen3.8-Flash-Next?

The widest category gap is in knowledge, where the averages are 78.8 for GPT-5.6 Sol and 59.4 for Qwen3.8-Flash-Next.

### How many benchmarks does GPT-5.6 Sol cover on BenchLM?

GPT-5.6 Sol currently has 40 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

- [GPT-5.6 Sol vs GPT-5.6 Terra](/compare/gpt-5-6-sol-vs-gpt-5-6-terra)
- [Qwen3.8-Flash-Next vs GPT-5.6 Terra](/compare/gpt-5-6-terra-vs-qwen3-8-flash-next)
- [GPT-5.6 Sol vs GPT-5.6 Luna](/compare/gpt-5-6-luna-vs-gpt-5-6-sol)
- [Qwen3.8-Flash-Next vs GPT-5.6 Luna](/compare/gpt-5-6-luna-vs-qwen3-8-flash-next)

## Explore More

- [GPT-5.6 Sol profile](/models/gpt-5-6-sol)
- [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)