# Gemma 4 31B vs Gemma 4 E4B

> Side-by-side benchmark comparison for Gemma 4 31B and Gemma 4 E4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-31b-vs-gemma-4-e4b
- Last updated: September 30, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemma 4 31B and Gemma 4 E4B 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.
- Gemma 4 31B has the larger published context window at 256K.

## Model Snapshot

| Property | Gemma 4 31B | Gemma 4 E4B |
|----------|----------|----------|
| Creator | Google | Google |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 128K |
| Independent public score (not head-to-head) | 41.07 | 31.47 |
| Benchmarks Covered | 8 | 2 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 18.8 (Estimated · #100/119)
- Gemma 4 E4B public-lane score: Coming soon

| Benchmark | Gemma 4 31B | Gemma 4 E4B | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 35.26% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 34.4 (Supported · #84/144)
- Gemma 4 E4B public-lane score: 15.1 (Estimated · #131/144)

| Benchmark | Gemma 4 31B | Gemma 4 E4B | Winner |
|-----------|-----------|-----------|--------|
| SWE-Rebench | 41.6% | Coming soon | Coming soon |
| React Native Evals | 75.2% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 70.2 (Unranked · 2 rankable rows)
- Gemma 4 E4B public-lane score: 44.2 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 59.5 (#31/49)
- Gemma 4 E4B public-lane score: 36.9 (Unranked · 1 rankable row)

| Benchmark | Gemma 4 31B | Gemma 4 E4B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 76.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 38.5 (Supported · #104/170)
- Gemma 4 E4B public-lane score: 26.6 (Estimated · #147/170)

| Benchmark | Gemma 4 31B | Gemma 4 E4B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 84.3% | 58.6% | Gemma 4 31B |
| MMLU-Pro | 85.2% | 69.4% | Gemma 4 31B |
| HLE | 26.5% | Coming soon | Coming soon |
| HLE w/o tools | 19.5% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 91.5 (#13/124)
- Gemma 4 E4B public-lane score: 50.5 (#80/124)

## FAQ

### Is there enough evidence to pick between Gemma 4 31B and Gemma 4 E4B?

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)
- [Gemma 4 E4B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-e4b)
- [Gemma 4 31B vs Gemma 4 12B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [Gemma 4 E4B vs Gemma 4 12B](/compare/gemma-4-12b-vs-gemma-4-e4b)

## Explore More

- [Gemma 4 31B profile](/models/gemma-4-31b)
- [Gemma 4 E4B profile](/models/gemma-4-e4b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)