# Gemma 4 31B vs Qwen3.8-Omni-Flash

> Side-by-side benchmark comparison for Gemma 4 31B and Qwen3.8-Omni-Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-31b-vs-qwen3-8-omni-flash
- Last updated: September 18, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemma 4 31B and Qwen3.8-Omni-Flash share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Qwen3.8-Omni-Flash has the lower published output-token price.
- Qwen3.8-Omni-Flash has the larger published context window at 1M.

## Model Snapshot

| Property | Gemma 4 31B | Qwen3.8-Omni-Flash |
|----------|----------|----------|
| Creator | Google | Alibaba |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | 52.4 | null |
| Benchmarks Covered | 8 | 19 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 45.4 (Estimated · #86/154)
- Qwen3.8-Omni-Flash public-lane score: Coming soon

| Benchmark | Gemma 4 31B | Qwen3.8-Omni-Flash | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 35.26% | Coming soon | Coming soon |
| CoWorkBench | Coming soon | 75.3% | Coming soon |
| AndroidWorld | Coming soon | 87.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 42.3 (Supported · #108/154)
- Qwen3.8-Omni-Flash public-lane score: 53.5 (Estimated · #45/154)

| Benchmark | Gemma 4 31B | Qwen3.8-Omni-Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-Rebench | 41.6% | Coming soon | Coming soon |
| React Native Evals | 75.2% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 63.3% | Coming soon |
| SWE Multilingual | Coming soon | 80.5% | Coming soon |
| NL2Repo | Coming soon | 48.9% | Coming soon |
| DeepSWE | Coming soon | 57.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 92.6% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 58.5 (#30/48)
- Qwen3.8-Omni-Flash public-lane score: 85.1 (Unranked · 7 rankable rows)

| Benchmark | Gemma 4 31B | Qwen3.8-Omni-Flash | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 76.9% | Coming soon | Coming soon |
| Vision2Web | Coming soon | 62.9% | Coming soon |
| ERQA | Coming soon | 71.0% | Coming soon |
| LVBench | Coming soon | 76.9% | Coming soon |
| RealWorldQA | Coming soon | 87.7% | Coming soon |
| MathVision | Coming soon | 91.8% | Coming soon |
| MathVision w/ Python | Coming soon | 96.2% | Coming soon |
| CharXiv w/o tools | Coming soon | 83.5% | Coming soon |
| CharXiv | Coming soon | 91.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 68.9 (Unranked · 2 rankable rows)
- Qwen3.8-Omni-Flash public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 45.7 (Supported · #108/184)
- Qwen3.8-Omni-Flash public-lane score: 54.9 (Estimated · #54/184)

| Benchmark | Gemma 4 31B | Qwen3.8-Omni-Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 84.3% | 91% | Qwen3.8-Omni-Flash |
| MMLU-Pro | 85.2% | Coming soon | Coming soon |
| HLE | 26.5% | 36.5% | Qwen3.8-Omni-Flash |
| HLE w/o tools | 19.5% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 91.0% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 91.5 (#12/124)
- Qwen3.8-Omni-Flash public-lane score: 87.7 (#29/124)

| Benchmark | Gemma 4 31B | Qwen3.8-Omni-Flash | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.5% | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemma 4 31B and Qwen3.8-Omni-Flash?

Not yet. The models share only 2 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

- [Gemma 4 31B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-31b)
- [Qwen3.8-Omni-Flash vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-qwen3-8-omni-flash)
- [Gemma 4 31B vs Gemma 4 12B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [Qwen3.8-Omni-Flash vs Gemma 4 12B](/compare/gemma-4-12b-vs-qwen3-8-omni-flash)

## Explore More

- [Gemma 4 31B profile](/models/gemma-4-31b)
- [Qwen3.8-Omni-Flash profile](/models/qwen3-8-omni-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)