# Claude 4 Opus Thinking vs Gemma 4 31B

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

- Canonical page: https://benchlm.ai/compare/claude-4-opus-thinking-vs-gemma-4-31b
- Last updated: October 14, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude 4 Opus Thinking 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 larger published context window at 256K.

## Model Snapshot

| Property | Claude 4 Opus Thinking | Gemma 4 31B |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 256K |
| Independent public score (not head-to-head) | null | 40 |
| Benchmarks Covered | 4 | 10 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Gemma 4 31B public-lane score: 20.3 (Estimated · #104/124)

| Benchmark | Claude 4 Opus Thinking | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | Coming soon | 35.26% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Gemma 4 31B public-lane score: 31.8 (Supported · #88/148)

| Benchmark | Claude 4 Opus Thinking | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| 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
- Claude 4 Opus Thinking public-lane score: Coming soon
- Gemma 4 31B public-lane score: 66.6 (Unranked · 3 rankable rows)

| Benchmark | Claude 4 Opus Thinking | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 66.4% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Gemma 4 31B public-lane score: 74.3 (#26/54)

| Benchmark | Claude 4 Opus Thinking | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 76.5% | Coming soon | Coming soon |
| MMMU-Pro | Coming soon | 76.9% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Gemma 4 31B public-lane score: 41 (Supported · #111/181)

| Benchmark | Claude 4 Opus Thinking | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 79.6% | 84.3% | Gemma 4 31B |
| MMMLU | 88.8% | Coming soon | 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
- Claude 4 Opus Thinking public-lane score: Coming soon
- Gemma 4 31B public-lane score: 92.9 (#15/128)

### Mathematics

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Gemma 4 31B public-lane score: Coming soon

| Benchmark | Claude 4 Opus Thinking | Gemma 4 31B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 75.5% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude 4 Opus Thinking 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

- [Claude 4 Opus Thinking vs Claude 4 Opus](/compare/claude-4-opus-vs-claude-4-opus-thinking)
- [Gemma 4 31B vs Claude 4 Opus](/compare/claude-4-opus-vs-gemma-4-31b)
- [Claude 4 Opus Thinking vs Gemma 4 26B A4B](/compare/claude-4-opus-thinking-vs-gemma-4-26b-a4b)
- [Gemma 4 31B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-31b)

## Explore More

- [Claude 4 Opus Thinking profile](/models/claude-4-opus-thinking)
- [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)