Model comparison
Chatgpt 4o Latest 20250326 vs Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 43.2 on the Noometry Index.
Last verified . 19 shared benchmarks.
Summary
- They share 19 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 1 category and Gemini 3.1 Pro Preview in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 32.8.
Side by side
| Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 43.2 | 56.7 |
| Released | — | 2026-02-19 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $2 |
| Output $ / M tokens | — | $12 |
| Results tracked | 21 | 71 |
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Category by category
Coding Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 41.0 (#122), Gemini 3.1 Pro Preview: 42.7 (#88)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Coding | 1413 | 1483 |
| SWE-bench Verified | — | 75.6% |
| DeepSWE | — | 11.7% |
| LMArena WebDev | — | 1446 |
| SciCode | — | 58.9% |
| GSO | — | 22.6% |
| WeirdML | — | 72.1% |
| MirrorCode | — | 8.9% |
| ALE-Bench | — | 1,161 |
| AlgoTune | — | 2.02 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, Gemini 3.1 Pro Preview: 37.7 (#33)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| Terminal-Bench | — | 80.2% |
| APEX-Agents | — | 35.3% |
| τ²-bench Banking | — | 26% |
| DeepResearch Bench | — | 47.8% |
| PostTrainBench | — | 22% |
| BALROG | — | 57% |
| ExploitBench | — | 26.1% |
| GBAEval | — | 0.8% |
| GDP.pdf | — | 17% |
| LMArena Search | — | 1211 |
| METR Time Horizons | — | 77% |
| Vending-Bench 2 | — | 3,774 |
Reasoning Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 32.8 (#64), Gemini 3.1 Pro Preview: 71.7 (#9)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1484 |
| ARC-AGI-2 | — | 77.1% |
| SimpleBench | — | 79.6% |
| Kagi LLM Benchmark | 75% | — |
| NYT Connections (extended) | — | 97.4% |
| ARC-AGI-1 | — | 98% |
| CritPt | — | 17.7% |
| Chess Puzzles | — | 55% |
| EnigmaEval | — | 36.8% |
| Thematic Generalization | — | 79.4% |
| EBR-Bench | — | 14.3% |
| Mystery Game Puzzles | — | 34% |
| DTBench | — | 97.1% |
| LMCA | — | 53.8% |
| Epoch Capabilities Index | — | 154.92 |
| ForecastBench | — | 59 |
Math Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 35.8 (#134), Gemini 3.1 Pro Preview: 61.8 (#28)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Math | 1407 | 1485 |
| FrontierMath (Tiers 1-3) | — | 59.6% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 86.5% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 26% |
| FrontierMath (Feb 2025 set) | — | 36.9% |
| FrontierMath Tier 4 (v1) | — | 16.7% |
Knowledge Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 38.7 (#131), Gemini 3.1 Pro Preview: 71.8 (#3)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Expert | 1400 | 1484 |
| GPQA Diamond | — | 94.4% |
| Humanity's Last Exam | — | 46.4% |
| SimpleQA Verified | — | 73.5% |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 10.4% |
Multimodal Too close to call
Chatgpt 4o Latest 20250326: 38.9 (#54), Gemini 3.1 Pro Preview: 38.1 (#60)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Vision | 1243 | 1296 |
| Blueprint-Bench 2 | — | 26.5% |
| Furniture Assembly | — | 26.7% |
| LMArena Document | — | 1444 |
Multilingual Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 53.1 (#72), Gemini 3.1 Pro Preview: 57.1 (#11)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Non-English | 1419 | 1475 |
| LMArena Chinese | 1456 | 1528 |
| LMArena French | 1447 | 1488 |
| LMArena German | 1424 | 1491 |
| LMArena Japanese | 1406 | 1494 |
| LMArena Korean | 1397 | 1458 |
| LMArena Russian | 1429 | 1496 |
| LMArena Spanish | 1435 | 1480 |
Instruction Following Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 74.2 (#102), Gemini 3.1 Pro Preview: 77.1 (#31)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1403 | 1465 |
Long Context Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 43.1 (#104), Gemini 3.1 Pro Preview: 47.3 (#17)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1413 | 1482 |
| CL-bench | — | 20.8% |
| CL-bench Life | — | 16.9% |
Writing & Preference Gemini 3.1 Pro Preview leads
Chatgpt 4o Latest 20250326: 62.8 (#68), Gemini 3.1 Pro Preview: 66.3 (#36)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Text | 1429 | 1480 |
| LMArena Creative Writing | 1406 | 1482 |
| EQ-Bench Creative Writing | 1501 | 1491 |
| LMArena Multi-Turn | 1454 | 1486 |
| EQ-Bench 4 | — | 1142 |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 43.2 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Gemini 3.1 Pro Preview better for coding?
Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.7 versus 41.0 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Gemini 3.1 Pro Preview share?
19 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Gemini 3.1 Pro Preview has 71.