# Gemini 3.5 Flash vs Qwen3.8-Flash-Next

> Side-by-side benchmark comparison for Gemini 3.5 Flash and Qwen3.8-Flash-Next across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-5-flash-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 62.52. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 71 for Gemini 3.5 Flash and 80.9 for Qwen3.8-Flash-Next.
- The biggest single benchmark swing is SWE-bench Pro in Coding, with scores of 55.1% and 62.5%.
- Qwen3.8-Flash-Next is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.5 Flash also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.5 Flash | Qwen3.8-Flash-Next |
|----------|----------|----------|
| Creator | Google | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 62.52 | 64.23 |
| Benchmarks Covered | 28 | 24 |
| Pricing (input/output) | $1.50 / $9.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Gemini 3.5 Flash public-lane score: 50.6 (Supported · #43/123)
- Qwen3.8-Flash-Next public-lane score: 59.5 (Estimated · #24/123)

| Benchmark | Gemini 3.5 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 76.2% | Coming soon | Coming soon |
| MCP Atlas | 83.6% | Coming soon | Coming soon |
| Toolathlon | 56.5% | Coming soon | Coming soon |
| OSWorld-Verified | 78.4% | Coming soon | Coming soon |
| Finance Agent v2 | 57.9% | Coming soon | Coming soon |
| Gert Labs | 61.85% | Coming soon | Coming soon |
| ResearchClawBench | 18.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.2% | 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 |
| OSWorld 2.0 | Coming soon | 19.4% | Coming soon |

### Coding

- Winner: Qwen3.8-Flash-Next
- Gemini 3.5 Flash public-lane score: 50.6 (Supported · #39/146)
- Qwen3.8-Flash-Next public-lane score: 52.4 (Supported · #37/146)

| Benchmark | Gemini 3.5 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 76.2% | Coming soon | Coming soon |
| SWE-bench Pro | 55.1% | 62.5% | Qwen3.8-Flash-Next |
| Vibe Code Bench | 48.68% | Coming soon | Coming soon |
| cursorBench31 | 49.8% | Coming soon | Coming soon |
| CursorBench 3.2 | 48.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.6% | Coming soon | Coming soon |
| SWE-bench (Vals) | 78.8% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 81% | Coming soon |
| NL2Repo | Coming soon | 48.1% | Coming soon |
| DeepSWE | Coming soon | 58.7% | Coming soon |
| LiveCodeBench v6 | Coming soon | 91.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 71 (#18/28)
- Qwen3.8-Flash-Next public-lane score: 80.9 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.5 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 77.3% | Coming soon | Coming soon |
| MRCR 1M | 26.6% | Coming soon | Coming soon |
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-1 | 92.50% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Gemini 3.5 Flash public-lane score: 87.8 (#7/54)
- Qwen3.8-Flash-Next public-lane score: 87.7 (#8/54)

| Benchmark | Gemini 3.5 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 84.2% | 90.6% | Qwen3.8-Flash-Next |
| MMMU-Pro | 83.6% | Coming soon | Coming soon |
| Blueprint-Bench 2 | 33.6% | 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 |

### Knowledge

- Winner: Gemini 3.5 Flash
- Gemini 3.5 Flash public-lane score: 64.9 (Supported · #33/177)
- Qwen3.8-Flash-Next public-lane score: 59.4 (Supported · #47/177)

| Benchmark | Gemini 3.5 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 92.7% | 91.7% | Gemini 3.5 Flash |
| HLE | 40.2% | 35.9% | Gemini 3.5 Flash |
| GPQA Diamond (Vals) | 92.7% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.5% | Coming soon | Coming soon |
| GPQA | Coming soon | 91.7% | Coming soon |
| HLE w/o tools | Coming soon | 35.9% | Coming soon |

### Instruction Following

- Winner: Directional only
- Gemini 3.5 Flash public-lane score: 87.4 (#36/127)
- Qwen3.8-Flash-Next public-lane score: 91.2 (#22/127)

| Benchmark | Gemini 3.5 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.3% | Coming soon |

### Mathematics

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 55.6 (Unranked · 2 rankable rows)
- Qwen3.8-Flash-Next public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 38.966% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 14.583% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Gemini 3.5 Flash or Qwen3.8-Flash-Next?

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

### Where is the biggest gap between Gemini 3.5 Flash and Qwen3.8-Flash-Next?

The widest category gap is in reasoning, where the averages are 71 for Gemini 3.5 Flash and 80.9 for Qwen3.8-Flash-Next.

### How many benchmarks does Gemini 3.5 Flash cover on BenchLM?

Gemini 3.5 Flash currently has 28 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

- [Gemini 3.5 Flash vs Gemini 3.5 Flash Cyber](/compare/gemini-3-5-flash-vs-gemini-3-5-flash-cyber)
- [Qwen3.8-Flash-Next vs Gemini 3.5 Flash Cyber](/compare/gemini-3-5-flash-cyber-vs-qwen3-8-flash-next)
- [Gemini 3.5 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-5-flash)
- [Qwen3.8-Flash-Next vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-8-flash-next)

## Explore More

- [Gemini 3.5 Flash profile](/models/gemini-3-5-flash)
- [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)