Model comparison
Gemma 3 27B vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 30.5 on the Noometry Index. Gemma 3 27B costs 675× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Last verified . 5 shared benchmarks.
GoogleSummary
- They share 5 benchmarks with published results for both. Gemma 3 27B scores higher in 0 categories and GPT-5.4 Pro in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 16.3.
- The biggest single-benchmark swing is Chess Puzzles: 0% for Gemma 3 27B and 58.6% for GPT-5.4 Pro.
- Gemma 3 27B is cheaper at $0.08 / $0.16 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 131K.
- Gemma 3 27B has downloadable open weights; the other is API-only.
Side by side
| Gemma 3 27B | GPT-5.4 Pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 30.5 | 58.8 |
| Released | 2025-03-11 | 2026-03-05 |
| Weights | Open | Proprietary |
| Context window | 131K | 1.05M |
| Max output | 8K | 128K |
| Input $ / M tokens | $0.08 | $30 |
| Output $ / M tokens | $0.16 | $180 |
| Results tracked | 43 | 16 |
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Category by category
Coding GPT-5.4 Pro leads
Gemma 3 27B: 22.1 (#329), GPT-5.4 Pro: 42.6 (#89)
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| Aider Polyglot | 4.9% | — |
| SciCode | 21.2% | — |
| WeirdML | — | 57.4% |
| LiveBench Coding | 39.9% | — |
| LMArena Coding | 1322 | — |
Agentic & Tool Use Not comparable
Gemma 3 27B: 24.9 (#105), GPT-5.4 Pro: —
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | 29.5% | — |
Reasoning GPT-5.4 Pro leads
Gemma 3 27B: 16.3 (#297), GPT-5.4 Pro: 71.0 (#10)
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| CritPt | 0% | 30% |
| Chess Puzzles | 0% | 58.6% |
| Epoch Capabilities Index | 130.04 | 159.12 |
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| Kagi LLM Benchmark | 40.4% | — |
| ARC-AGI-1 | — | 94.5% |
| EnigmaEval | — | 23.8% |
| LiveBench Reasoning | 43.8% | — |
| LMArena Hard Prompts | 1340 | — |
| DTBench | 52.5% | — |
| LiveBench Data Analysis | 51.5% | — |
| LMCA | 12.3% | — |
| LiveBench | 50% | — |
Math GPT-5.4 Pro leads
Gemma 3 27B: 24.4 (#261), GPT-5.4 Pro: 72.0 (#17)
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| OTIS Mock AIME 2024-2025 | 22.5% | — |
| LiveBench Math | 55.4% | — |
| LMArena Math | 1312 | — |
| MATH Level 5 | 74% | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge GPT-5.4 Pro leads
Gemma 3 27B: 25.4 (#256), GPT-5.4 Pro: 68.3 (#6)
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | 47.7% | 94.6% |
| Vectara Hallucination Rate | 7.4% | 8.3% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Confabulations | 40.3% | — |
| LMArena Expert | 1303 | — |
Multimodal Not comparable
Gemma 3 27B: 32.0 (#94), GPT-5.4 Pro: —
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| LMArena Vision | 1165 | — |
| GeoBench | 52% | — |
Multilingual Not comparable
Gemma 3 27B: 47.0 (#150), GPT-5.4 Pro: —
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| LMArena Non-English | 1334 | — |
| LMArena Chinese | 1347 | — |
| LMArena French | 1368 | — |
| LMArena German | 1362 | — |
| LMArena Japanese | 1287 | — |
| LMArena Korean | 1308 | — |
| LMArena Russian | 1349 | — |
| LMArena Spanish | 1348 | — |
Instruction Following Not comparable
Gemma 3 27B: 70.8 (#155), GPT-5.4 Pro: —
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| LiveBench Instruction Following | 74.9% | — |
| LMArena Instruction Following | 1321 | — |
Long Context Not comparable
Gemma 3 27B: 27.6 (#288), GPT-5.4 Pro: —
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| Fiction.LiveBench | 33.3% | — |
| LMArena Longer Query | 1333 | — |
Writing & Preference Not comparable
Gemma 3 27B: 52.7 (#161), GPT-5.4 Pro: —
| Benchmark | Gemma 3 27B | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1358 | — |
| LMArena Creative Writing | 1346 | — |
| Short-Story Creative Writing | 79.9% | — |
| EQ-Bench Creative Writing | 1266 | — |
| LMArena Multi-Turn | 1344 | — |
| LiveBench Language | 34.6% | — |
Frequently asked questions
Is Gemma 3 27B better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 30.5 on the Noometry Index. Gemma 3 27B costs 675× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Which is cheaper, Gemma 3 27B or GPT-5.4 Pro?
Gemma 3 27B is cheaper. It lists at $0.08 per million input tokens and $0.16 per million output tokens; GPT-5.4 Pro lists at $30 and $180.
Is Gemma 3 27B or GPT-5.4 Pro better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 22.1 in the Noometry coding category.
Which has the bigger context window?
GPT-5.4 Pro does, with 1.05M tokens against 131K.
How many benchmarks do Gemma 3 27B and GPT-5.4 Pro share?
5 benchmarks have published results for both models. Gemma 3 27B has 43 scored results on Noometry and GPT-5.4 Pro has 16.