Model comparison
Gemma 3 27B vs GPT-5.6 Sol
GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 30.5 on the Noometry Index. Gemma 3 27B costs 80× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.
Last verified . 29 shared benchmarks.
GoogleSummary
- They share 29 benchmarks with published results for both. Gemma 3 27B scores higher in 0 categories and GPT-5.6 Sol in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.6 Sol leads 85.5 to 24.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 22.5% for Gemma 3 27B and 100% for GPT-5.6 Sol.
- Gemma 3 27B is cheaper at $0.08 / $0.16 per million input/output tokens, against $4 / $20 for GPT-5.6 Sol.
- GPT-5.6 Sol 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-5.6 Sol | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 30.5 | 64.4 |
| Released | 2025-03-11 | 2026-07-09 |
| Weights | Open | Proprietary |
| Context window | 131K | 1.05M |
| Max output | 8K | 128K |
| Input $ / M tokens | $0.08 | $4 |
| Output $ / M tokens | $0.16 | $20 |
| Results tracked | 43 | 64 |
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Category by category
Coding GPT-5.6 Sol leads
Gemma 3 27B: 22.1 (#329), GPT-5.6 Sol: 61.1 (#7)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| SciCode | 21.2% | 57.1% |
| LMArena Coding | 1322 | 1493 |
| DeepSWE | — | 72.7% |
| FrontierCode | — | 47.5% |
| Aider Polyglot | 4.9% | — |
| CursorBench | — | 41.7% |
| LMArena WebDev | — | 1619 |
| FrontierSWE | — | 32.2% |
| WeirdML | — | 89.4% |
| LiveBench Coding | 39.9% | — |
| MirrorCode | — | 20% |
| ALE-Bench | — | 2,177 |
Agentic & Tool Use GPT-5.6 Sol leads
Gemma 3 27B: 24.9 (#105), GPT-5.6 Sol: 50.2 (#7)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| APEX-Agents | — | 51.4% |
| Berkeley Function Calling Leaderboard | 29.5% | — |
| OSWorld 2.0 | — | 27.3% |
| τ²-bench Banking | — | 46.9% |
| PostTrainBench | — | 36.2% |
| BALROG | — | 60% |
| GBAEval | — | 52.6% |
| GDP.pdf | — | 30.7% |
| LMArena Search | — | 1257 |
| Vending-Bench 2 | — | 9,619 |
Reasoning GPT-5.6 Sol leads
Gemma 3 27B: 16.3 (#297), GPT-5.6 Sol: 74.7 (#6)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| Kagi LLM Benchmark | 40.4% | 67% |
| CritPt | 0% | 32.3% |
| Chess Puzzles | 0% | 64% |
| LMArena Hard Prompts | 1340 | 1481 |
| DTBench | 52.5% | 96% |
| LMCA | 12.3% | 59.2% |
| Epoch Capabilities Index | 130.04 | 161.99 |
| ARC-AGI-2 | — | 92.5% |
| SimpleBench | — | 71.7% |
| NYT Connections (extended) | — | 93.8% |
| ARC-AGI-1 | — | 97.5% |
| EnigmaEval | — | 37.1% |
| EBR-Bench | — | 44.8% |
| LiveBench Reasoning | 43.8% | — |
| Mystery Game Puzzles | — | 58% |
| LiveBench Data Analysis | 51.5% | — |
| Surface Evolver Bench | — | 93.1% |
| Bench to the Future 3 | — | 0.14 |
| LiveBench | 50% | — |
Math GPT-5.6 Sol leads
Gemma 3 27B: 24.4 (#261), GPT-5.6 Sol: 85.5 (#7)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 22.5% | 100% |
| LMArena Math | 1312 | 1472 |
| FrontierMath (Tiers 1-3) | — | 89.1% |
| FrontierMath Tier 4 | — | 82.9% |
| ProofBench | — | 83% |
| LiveBench Math | 55.4% | — |
| MATH Level 5 | 74% | — |
| FrontierMath Erdős | — | 0% |
Knowledge GPT-5.6 Sol leads
Gemma 3 27B: 25.4 (#256), GPT-5.6 Sol: 64.3 (#16)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| GPQA Diamond | 47.7% | 93.5% |
| Vectara Hallucination Rate | 7.4% | 12.4% |
| LMArena Expert | 1303 | 1517 |
| SimpleQA Verified | — | 69.7% |
| Confabulations | 40.3% | — |
Multimodal GPT-5.6 Sol leads
Gemma 3 27B: 32.0 (#94), GPT-5.6 Sol: 48.9 (#8)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| LMArena Vision | 1165 | 1281 |
| GeoBench | 52% | — |
| Blueprint-Bench 2 | — | 33.6% |
| Furniture Assembly | — | 56.7% |
| LMArena Document | — | 1483 |
Multilingual GPT-5.6 Sol leads
Gemma 3 27B: 47.0 (#150), GPT-5.6 Sol: 55.4 (#32)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| LMArena Non-English | 1334 | 1450 |
| LMArena Chinese | 1347 | 1523 |
| LMArena French | 1368 | 1475 |
| LMArena German | 1362 | 1476 |
| LMArena Japanese | 1287 | 1475 |
| LMArena Korean | 1308 | 1434 |
| LMArena Russian | 1349 | 1466 |
| LMArena Spanish | 1348 | 1449 |
Instruction Following GPT-5.6 Sol leads
Gemma 3 27B: 70.8 (#155), GPT-5.6 Sol: 77.8 (#16)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| LMArena Instruction Following | 1321 | 1480 |
| LiveBench Instruction Following | 74.9% | — |
Long Context GPT-5.6 Sol leads
Gemma 3 27B: 27.6 (#288), GPT-5.6 Sol: 45.3 (#42)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| LMArena Longer Query | 1333 | 1479 |
| Fiction.LiveBench | 33.3% | — |
Writing & Preference GPT-5.6 Sol leads
Gemma 3 27B: 52.7 (#161), GPT-5.6 Sol: 73.5 (#12)
| Benchmark | Gemma 3 27B | GPT-5.6 Sol |
|---|---|---|
| LMArena Text | 1358 | 1456 |
| LMArena Creative Writing | 1346 | 1450 |
| EQ-Bench Creative Writing | 1266 | 1972 |
| LMArena Multi-Turn | 1344 | 1456 |
| Short-Story Creative Writing | 79.9% | — |
| EQ-Bench 4 | — | 1250 |
| LiveBench Language | 34.6% | — |
Frequently asked questions
Is Gemma 3 27B better than GPT-5.6 Sol?
GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 30.5 on the Noometry Index. Gemma 3 27B costs 80× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.
Which is cheaper, Gemma 3 27B or GPT-5.6 Sol?
Gemma 3 27B is cheaper. It lists at $0.08 per million input tokens and $0.16 per million output tokens; GPT-5.6 Sol lists at $4 and $20.
Is Gemma 3 27B or GPT-5.6 Sol better for coding?
GPT-5.6 Sol scores higher on coding benchmarks: 61.1 versus 22.1 in the Noometry coding category.
Which has the bigger context window?
GPT-5.6 Sol does, with 1.05M tokens against 131K.
How many benchmarks do Gemma 3 27B and GPT-5.6 Sol share?
29 benchmarks have published results for both models. Gemma 3 27B has 43 scored results on Noometry and GPT-5.6 Sol has 64.