# Gemma 4 31B vs GPT-5.4

> Side-by-side benchmark comparison for Gemma 4 31B and GPT-5.4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-31b-vs-gpt-5-4
- Last updated: October 17, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

GPT-5.4 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- GPT-5.4 has the higher overall point estimate 66.7 to 39.89. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 19.7 for Gemma 4 31B and 52.1 for GPT-5.4.
- The biggest single benchmark swing is Gert Labs in Agentic, with scores of 35.26% and 64.89%.
- Gemma 4 31B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-5.4 also has the larger context window at 1.05M.

## Model Snapshot

| Property | Gemma 4 31B | GPT-5.4 |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1.05M |
| Overall Score | 39.89 | 66.7 |
| Benchmarks Covered | 10 | 42 |
| Pricing (input/output) | $0.00 / $0.00 | $2.50 / $15.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Gemma 4 31B public-lane score: 19.7 (Estimated · #109/128)
- GPT-5.4 public-lane score: 52.1 (Supported · #44/128)

| Benchmark | Gemma 4 31B | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 35.26% | 64.89% | GPT-5.4 |
| Terminal-Bench 2.0 | Coming soon | 75.1% | Coming soon |
| CyberGym | Coming soon | 79.0% | Coming soon |
| BrowseComp | Coming soon | 82.7% | Coming soon |
| OSWorld-Verified | Coming soon | 75% | Coming soon |
| MCP Atlas | Coming soon | 70.6% | Coming soon |
| Toolathlon | Coming soon | 54.6% | Coming soon |
| τ²-bench results | Coming soon | 98.9% | Coming soon |
| Claw-Eval | Coming soon | 60.3% | Coming soon |
| DeepSearchQA | Coming soon | 73.6% | Coming soon |
| ResearchClawBench | Coming soon | 15.3% | Coming soon |
| JobBench | Coming soon | 38.9% | Coming soon |
| ExploitGym | Coming soon | 6.0% | Coming soon |
| ApprenticeBench | Coming soon | 11% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: GPT-5.4
- Gemma 4 31B public-lane score: 31.7 (Supported · #89/150)
- GPT-5.4 public-lane score: 47.7 (Supported · #48/150)

| Benchmark | Gemma 4 31B | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 80.0% | Coming soon | Coming soon |
| SWE-Rebench | 41.6% | Coming soon | Coming soon |
| React Native Evals | 75.2% | 85.3% | GPT-5.4 |
| LiveCodeBench Pro | Coming soon | 87.5% | Coming soon |
| SWE-bench Pro | Coming soon | 57.7% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 75.1% | Coming soon |
| Vibe Code Bench | Coming soon | 67.42% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 19.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemma 4 31B public-lane score: 66.6 (Unranked · 3 rankable rows)
- GPT-5.4 public-lane score: 64.2 (#23/28)

| Benchmark | Gemma 4 31B | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 66.4% | Coming soon | Coming soon |
| ARC-AGI-2 | Coming soon | 74.0% | Coming soon |
| ARC-AGI-3 | Coming soon | 0.2% | Coming soon |
| ARC-AGI-1 | Coming soon | 93.67% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Gemma 4 31B public-lane score: 74.3 (#26/54)
- GPT-5.4 public-lane score: 73.1 (#30/54)

| Benchmark | Gemma 4 31B | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 76.9% | 81.2% | GPT-5.4 |
| OfficeQA Pro | Coming soon | 53.2% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 82.1% | Coming soon |
| CharXiv | Coming soon | 82.8% | Coming soon |
| ERQA | Coming soon | 65.4% | Coming soon |
| SimpleVQA | Coming soon | 61.1% | Coming soon |
| ScreenSpot Pro | Coming soon | 85.4% | Coming soon |
| ZeroBench | Coming soon | 41.0% | Coming soon |
| MedXpertQA (MM) | Coming soon | 77.1% | Coming soon |

### Knowledge

- Winner: GPT-5.4
- Gemma 4 31B public-lane score: 40.9 (Supported · #114/184)
- GPT-5.4 public-lane score: 69.1 (Supported · #20/184)

| Benchmark | Gemma 4 31B | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 84.3% | 92.8% | GPT-5.4 |
| MMLU-Pro | 85.2% | Coming soon | Coming soon |
| HLE | 26.5% | 52.1% | GPT-5.4 |
| HLE w/o tools | 19.5% | 39.8% | GPT-5.4 |
| GPQA-D | Coming soon | 92.8% | Coming soon |
| HealthBench Hard | Coming soon | 40.1% | Coming soon |
| MedXpertQA (Text) | Coming soon | 59.6% | Coming soon |
| HealthBench Professional | Coming soon | 48.1% | Coming soon |

### Instruction Following

- Winner: Directional only
- Gemma 4 31B public-lane score: 92.9 (#15/148)
- GPT-5.4 public-lane score: 90.7 (#23/148)

### Mathematics

- Winner: Not comparable
- Gemma 4 31B public-lane score: Coming soon
- GPT-5.4 public-lane score: 82 (Unranked · 2 rankable rows)

| Benchmark | Gemma 4 31B | GPT-5.4 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 78.596% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 49.000% | Coming soon |

## FAQ

### Which is better overall, Gemma 4 31B or GPT-5.4?

GPT-5.4 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Gemma 4 31B and GPT-5.4?

The widest category gap is in agentic, where the averages are 19.7 for Gemma 4 31B and 52.1 for GPT-5.4.

### How many benchmarks does Gemma 4 31B cover on BenchLM?

Gemma 4 31B currently has 10 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-5.4 cover on BenchLM?

GPT-5.4 currently has 42 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemma 4 31B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-31b)
- [GPT-5.4 vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gpt-5-4)
- [Gemma 4 31B vs Gemma 4 12B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [GPT-5.4 vs Gemma 4 12B](/compare/gemma-4-12b-vs-gpt-5-4)

## Explore More

- [Gemma 4 31B profile](/models/gemma-4-31b)
- [GPT-5.4 profile](/models/gpt-5-4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)