# Gemma 3 27B vs GPT-4o

> Side-by-side benchmark comparison for Gemma 3 27B and GPT-4o across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-3-27b-vs-gpt-4o
- Last updated: October 17, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemma 3 27B and GPT-4o.

## Summary

- Gemma 3 27B and GPT-4o do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Gemma 3 27B | GPT-4o |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 32K | 128K |
| Independent public score (not head-to-head) | 28.69 | 29.92 |
| Benchmarks Covered | 0 | 2 |
| Pricing (input/output) | $0.00 / $0.00 | $2.50 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: 6 (Estimated · #127/128)
- GPT-4o public-lane score: Coming soon

### Coding

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: 8.8 (Estimated · #148/150)
- GPT-4o public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: 30.9 (Unranked · 2 rankable rows)
- GPT-4o public-lane score: 59.7 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: 35.3 (Unranked · 1 rankable row)
- GPT-4o public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: 25 (Estimated · #173/184)
- GPT-4o public-lane score: 27.9 (Estimated · #162/184)

### Multilingual

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: Coming soon
- GPT-4o public-lane score: 30.2 (#16/17)

| Benchmark | Gemma 3 27B | GPT-4o | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 61.1% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: 35.7 (#125/148)
- GPT-4o public-lane score: 39 (#121/148)

### Mathematics

- Winner: Insufficient shared evidence
- Gemma 3 27B public-lane score: Coming soon
- GPT-4o public-lane score: 27 (Unranked · 1 rankable row)

| Benchmark | Gemma 3 27B | GPT-4o | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 0.351% | Coming soon |

## FAQ

### Can I compare Gemma 3 27B and GPT-4o on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Gemma 3 27B vs GPT-4o mini](/compare/gemma-3-27b-vs-gpt-4o-mini)
- [GPT-4o vs GPT-4o mini](/compare/gpt-4o-vs-gpt-4o-mini)
- [Gemma 3 27B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemma-3-27b)
- [GPT-4o vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gpt-4o)

## Explore More

- [Gemma 3 27B profile](/models/gemma-3-27b)
- [GPT-4o profile](/models/gpt-4o)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)