Model comparison
Gemini 2.0 Pro vs GPT-5.1
GPT-5.1 is the stronger model overall, scoring 48.8 to 38.6 on the Noometry Index.
Last verified . 10 shared benchmarks.
GoogleSummary
- They share 10 benchmarks with published results for both. Gemini 2.0 Pro scores higher in 0 categories and GPT-5.1 in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in long context, where GPT-5.1 leads 47.6 to 29.1.
- The biggest single-benchmark swing is LiveBench Reasoning: 60.1% for Gemini 2.0 Pro and 95.8% for GPT-5.1.
Side by side
| Gemini 2.0 Pro | GPT-5.1 | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 38.6 | 48.8 |
| Released | 2025-02-05 | 2025-11-13 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $10 |
| Results tracked | 14 | 63 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5.1 leads
Gemini 2.0 Pro: 37.4 (#182), GPT-5.1: 46.9 (#59)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| LiveBench Coding | 63.5% | 72.5% |
| SWE-bench Verified | — | 68% |
| SWE-bench Verified (bash only) | — | 66% |
| Aider Polyglot | 35.6% | — |
| LMArena WebDev | — | 1395 |
| SciCode | — | 43.3% |
| GSO | — | 13.7% |
| WeirdML | — | 60.8% |
| LMArena Coding | — | 1454 |
| ALE-Bench | — | 1,192 |
Agentic & Tool Use Not comparable
Gemini 2.0 Pro: —, GPT-5.1: 32.5 (#55)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| Terminal-Bench | — | 47.6% |
| DeepResearch Bench | — | 42.8% |
| LMArena Search | — | 1199 |
| Vending-Bench 2 | — | 1,473 |
Reasoning GPT-5.1 leads
Gemini 2.0 Pro: 21.6 (#194), GPT-5.1: 39.9 (#50)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| EnigmaEval | 0.7% | 11.2% |
| LiveBench Reasoning | 60.1% | 95.8% |
| LiveBench Data Analysis | 68% | 72.1% |
| Epoch Capabilities Index | 135.06 | 149.66 |
| LiveBench | 65.1% | 78.8% |
| ARC-AGI-2 | — | 17.6% |
| SimpleBench | — | 53.2% |
| ARC-AGI-1 | — | 72.8% |
| CritPt | — | 4.9% |
| Chess Puzzles | — | 32% |
| LMArena Hard Prompts | — | 1457 |
| Mystery Game Puzzles | — | 19% |
| DTBench | — | 90.1% |
| LMCA | — | 43.9% |
| ForecastBench | — | 58.1 |
Math GPT-5.1 leads
Gemini 2.0 Pro: 37.1 (#101), GPT-5.1: 50.3 (#45)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| LiveBench Math | 71% | 94.5% |
| OTIS Mock AIME 2024-2025 | — | 88.6% |
| Omni-MATH | — | 46.4% |
| LMArena Math | — | 1446 |
| MATH Level 5 | 83.5% | — |
| FrontierMath (Feb 2025 set) | — | 31% |
| FrontierMath Tier 4 (v1) | — | 12.5% |
Knowledge GPT-5.1 leads
Gemini 2.0 Pro: 36.5 (#156), GPT-5.1: 50.5 (#65)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| GPQA Diamond | 65.7% | 87.6% |
| Humanity's Last Exam | — | 23.7% |
| SimpleQA Verified | — | 48% |
| MMLU-Pro | — | 57.9% |
| Confabulations | 18.4% | — |
| Vectara Hallucination Rate | — | 10.9% |
| GPQA (HELM) | — | 44.2% |
| LMArena Expert | — | 1470 |
Multimodal Not comparable
Gemini 2.0 Pro: —, GPT-5.1: 44.0 (#17)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| LMArena Vision | — | 1250 |
| VPCT | — | 58.7% |
| LMArena Document | — | 1403 |
Multilingual Not comparable
Gemini 2.0 Pro: —, GPT-5.1: 54.0 (#51)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| LMArena Non-English | — | 1431 |
| LMArena Chinese | — | 1495 |
| LMArena French | — | 1451 |
| LMArena German | — | 1439 |
| LMArena Japanese | — | 1453 |
| LMArena Korean | — | 1401 |
| LMArena Russian | — | 1435 |
| LMArena Spanish | — | 1430 |
Instruction Following GPT-5.1 leads
Gemini 2.0 Pro: 75.6 (#57), GPT-5.1: 84.0 (#1)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| LiveBench Instruction Following | 83.4% | 93.3% |
| IFEval | — | 93.5% |
| LMArena Instruction Following | — | 1442 |
Long Context GPT-5.1 leads
Gemini 2.0 Pro: 29.1 (#287), GPT-5.1: 47.6 (#14)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| Fiction.LiveBench | 41.7% | — |
| CL-bench | — | 23.7% |
| CL-bench Life | — | 17.3% |
| LMArena Longer Query | — | 1448 |
Writing & Preference GPT-5.1 leads
Gemini 2.0 Pro: 52.7 (#164), GPT-5.1: 64.7 (#53)
| Benchmark | Gemini 2.0 Pro | GPT-5.1 |
|---|---|---|
| LiveBench Language | 44.9% | 80.2% |
| LMArena Text | — | 1443 |
| LMArena Creative Writing | — | 1427 |
| WildBench | — | 86.3% |
| LMArena Multi-Turn | — | 1449 |
Frequently asked questions
Is Gemini 2.0 Pro better than GPT-5.1?
GPT-5.1 is the stronger model overall, scoring 48.8 to 38.6 on the Noometry Index.
Is Gemini 2.0 Pro or GPT-5.1 better for coding?
GPT-5.1 scores higher on coding benchmarks: 46.9 versus 37.4 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Pro and GPT-5.1 share?
10 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and GPT-5.1 has 63.