# Gemini 3.1 Flash-Lite vs Gemma 4 31B

> Side-by-side benchmark comparison for Gemini 3.1 Flash-Lite and Gemma 4 31B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-flash-lite-vs-gemma-4-31b
- Last updated: October 17, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 3.1 Flash-Lite and Gemma 4 31B share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Gemma 4 31B has the lower published output-token price.
- Gemini 3.1 Flash-Lite has the larger published context window at 1M.

## Model Snapshot

| Property | Gemini 3.1 Flash-Lite | Gemma 4 31B |
|----------|----------|----------|
| Creator | Google | Google |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 256K |
| Independent public score (not head-to-head) | 46.96 | 39.89 |
| Benchmarks Covered | 11 | 10 |
| Pricing (input/output) | $0.25 / $1.50 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 27.4 (Estimated · #100/128)
- Gemma 4 31B public-lane score: 19.7 (Estimated · #109/128)

| Benchmark | Gemini 3.1 Flash-Lite | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 38.46% | 35.26% | Gemini 3.1 Flash-Lite |
| Terminal-Bench 2.1 (Vals) | 34.1% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 27.2 (Estimated · #101/150)
- Gemma 4 31B public-lane score: 31.7 (Supported · #89/150)

| Benchmark | Gemini 3.1 Flash-Lite | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 0.00% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 80.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 62.8% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 80.0% | Coming soon |
| SWE-Rebench | Coming soon | 41.6% | Coming soon |
| React Native Evals | Coming soon | 75.2% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: Coming soon
- Gemma 4 31B public-lane score: 66.6 (Unranked · 3 rankable rows)

| Benchmark | Gemini 3.1 Flash-Lite | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | 14.26 | Coming soon | Coming soon |
| JevBench 1.5 | 19.58 | Coming soon | Coming soon |
| MRCRv2 | Coming soon | 66.4% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 42 (Unranked · 1 rankable row)
- Gemma 4 31B public-lane score: 74.3 (#26/54)

| Benchmark | Gemini 3.1 Flash-Lite | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 73.2% | Coming soon | Coming soon |
| MMMU-Pro | Coming soon | 76.9% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 46.9 (Estimated · #89/184)
- Gemma 4 31B public-lane score: 40.9 (Supported · #114/184)

| Benchmark | Gemini 3.1 Flash-Lite | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 81.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.2% | Coming soon | Coming soon |
| GPQA | Coming soon | 84.3% | Coming soon |
| MMLU-Pro | Coming soon | 85.2% | Coming soon |
| HLE | Coming soon | 26.5% | Coming soon |
| HLE w/o tools | Coming soon | 19.5% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: Coming soon
- Gemma 4 31B public-lane score: 92.9 (#15/148)

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 44 (Unranked · 1 rankable row)
- Gemma 4 31B public-lane score: Coming soon

| Benchmark | Gemini 3.1 Flash-Lite | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 27.719% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 3.1 Flash-Lite and Gemma 4 31B?

Not yet. The models share only 1 sourced benchmark row, 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

- [Gemini 3.1 Flash-Lite vs Gemma 4 26B A4B](/compare/gemini-3-1-flash-lite-vs-gemma-4-26b-a4b)
- [Gemma 4 31B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-31b)
- [Gemini 3.1 Flash-Lite vs Gemma 4 12B](/compare/gemini-3-1-flash-lite-vs-gemma-4-12b)
- [Gemma 4 31B vs Gemma 4 12B](/compare/gemma-4-12b-vs-gemma-4-31b)

## Explore More

- [Gemini 3.1 Flash-Lite profile](/models/gemini-3-1-flash-lite)
- [Gemma 4 31B profile](/models/gemma-4-31b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)