# Gemma 2 27B vs GPT-5.1

> Side-by-side benchmark comparison for Gemma 2 27B and GPT-5.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-2-27b-vs-gpt-5-1
- Last updated: October 14, 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 2 27B and GPT-5.1.

## Summary

- Gemma 2 27B and GPT-5.1 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 2 27B | GPT-5.1 |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 8K | 200K |
| Independent public score (not head-to-head) | null | 57.05 |
| Benchmarks Covered | 1 | 3 |
| Pricing (input/output) | N/A | $1.25 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 2 27B public-lane score: Coming soon
- GPT-5.1 public-lane score: Coming soon

| Benchmark | Gemma 2 27B | GPT-5.1 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | Coming soon | 41.24% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemma 2 27B public-lane score: Coming soon
- GPT-5.1 public-lane score: 36.1 (Supported · #73/148)

| Benchmark | Gemma 2 27B | GPT-5.1 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | Coming soon | 24.61% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 2 27B public-lane score: Coming soon
- GPT-5.1 public-lane score: 80.8 (Unranked · 3 rankable rows)

| Benchmark | Gemma 2 27B | GPT-5.1 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 72.83% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 2 27B public-lane score: Coming soon
- GPT-5.1 public-lane score: 75.7 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 2 27B public-lane score: Coming soon
- GPT-5.1 public-lane score: 53.1 (Estimated · #67/181)

| Benchmark | Gemma 2 27B | GPT-5.1 | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 76.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 2 27B public-lane score: Coming soon
- GPT-5.1 public-lane score: 89.4 (#29/128)

## FAQ

### Can I compare Gemma 2 27B and GPT-5.1 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 2 27B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemma-2-27b)
- [GPT-5.1 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gpt-5-1)
- [Gemma 2 27B vs GPT-6.1 Sol](/compare/gemma-2-27b-vs-gpt-6-1-sol)
- [GPT-5.1 vs GPT-6.1 Sol](/compare/gpt-5-1-vs-gpt-6-1-sol)

## Explore More

- [Gemma 2 27B profile](/models/gemma-2-27b)
- [GPT-5.1 profile](/models/gpt-5-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)