Model comparison
Chatgpt 4o Latest 20250326 vs Gemini 2.5 Pro
Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 43.8 on the Noometry Index.
Last verified . 21 shared benchmarks.
GoogleSummary
- They share 21 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 2 categories and Gemini 2.5 Pro in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 2.5 Pro leads 56.0 to 39.2.
- The biggest single-benchmark swing is Confabulations: 16.6% for Chatgpt 4o Latest 20250326 and 10.6% for Gemini 2.5 Pro.
Side by side
| Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 43.8 | 45.0 |
| Released | — | 2025-03-25 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $10 |
| Results tracked | 21 | 78 |
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Category by category
Coding Too close to call
Chatgpt 4o Latest 20250326: 41.6 (#122), Gemini 2.5 Pro: 42.4 (#101)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| LMArena Coding | 1413 | 1452 |
| SWE-bench Verified | — | 57.6% |
| SWE-bench Verified (bash only) | — | 53.6% |
| Aider Polyglot | — | 83.1% |
| LMArena WebDev | — | 1227 |
| SciCode | — | 42.8% |
| GSO | — | 3.9% |
| WeirdML | — | 54% |
| LiveBench Coding | — | 85.9% |
| CadEval | — | 64% |
| ALE-Bench | — | 785.52 |
| AlgoTune | — | 1.51 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, Gemini 2.5 Pro: 29.2 (#88)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| Terminal-Bench | — | 32.6% |
| GDPval | — | 23.3% |
| Remote Labor Index | — | 0.8% |
| TheAgentCompany | — | 30.3% |
| τ²-bench Banking | — | 13.7% |
| DeepResearch Bench | — | 42.8% |
| BALROG | — | 43.3% |
| LMArena Search | — | 1142 |
| METR Time Horizons | — | 55.4% |
| Vending-Bench 2 | — | 573.64 |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), Gemini 2.5 Pro: 28.8 (#99)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| Kagi LLM Benchmark | 75% | 70.3% |
| LMArena Hard Prompts | 1424 | 1455 |
| ARC-AGI-2 | — | 4.9% |
| SimpleBench | — | 62.4% |
| ARC-AGI-1 | — | 41% |
| CritPt | — | 2% |
| Chess Puzzles | — | 20% |
| EnigmaEval | — | 5.6% |
| LiveBench Reasoning | — | 89.8% |
| DTBench | — | 82.4% |
| LiveBench Data Analysis | — | 79.9% |
| LMCA | — | 34.8% |
| Epoch Capabilities Index | — | 145.32 |
| ForecastBench | — | 61.3 |
| LiveBench | — | 82.3% |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), Gemini 2.5 Pro: 32.5 (#213)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| LMArena Math | 1407 | 1450 |
| FrontierMath (Tiers 1-3) | — | 24.6% |
| FrontierMath Tier 4 | — | 0% |
| OTIS Mock AIME 2024-2025 | — | 84.7% |
| Omni-MATH | — | 41.6% |
| LiveBench Math | — | 90.2% |
| MATH Level 5 | — | 95.9% |
| FrontierMath (Feb 2025 set) | — | 14.1% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Gemini 2.5 Pro leads
Chatgpt 4o Latest 20250326: 39.2 (#137), Gemini 2.5 Pro: 56.0 (#46)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| Confabulations | 16.6% | 10.6% |
| LMArena Expert | 1401 | 1452 |
| GPQA Diamond | — | 85.3% |
| Humanity's Last Exam | — | 21.6% |
| MMLU-Pro | — | 86.3% |
| Vectara Hallucination Rate | — | 7% |
| GPQA (HELM) | — | 74.9% |
Multimodal Gemini 2.5 Pro leads
Chatgpt 4o Latest 20250326: 39.6 (#58), Gemini 2.5 Pro: 45.2 (#18)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| LMArena Vision | 1243 | 1263 |
| GeoBench | — | 86% |
| VPCT | — | 48% |
| LMArena Document | — | 1421 |
| SpatialViz-Bench | — | 44.7% |
Multilingual Gemini 2.5 Pro leads
Chatgpt 4o Latest 20250326: 52.9 (#76), Gemini 2.5 Pro: 55.3 (#31)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| LMArena Non-English | 1419 | 1451 |
| LMArena Chinese | 1457 | 1507 |
| LMArena French | 1446 | 1472 |
| LMArena German | 1423 | 1487 |
| LMArena Japanese | 1405 | 1461 |
| LMArena Korean | 1396 | 1434 |
| LMArena Russian | 1429 | 1461 |
| LMArena Spanish | 1434 | 1473 |
Instruction Following Gemini 2.5 Pro leads
Chatgpt 4o Latest 20250326: 74.0 (#107), Gemini 2.5 Pro: 75.0 (#75)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| LMArena Instruction Following | 1403 | 1437 |
| LiveBench Instruction Following | — | 80.6% |
| IFEval | — | 84% |
Long Context Gemini 2.5 Pro leads
Chatgpt 4o Latest 20250326: 43.1 (#107), Gemini 2.5 Pro: 59.8 (#5)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| LMArena Longer Query | 1413 | 1449 |
| Fiction.LiveBench | — | 91.7% |
Writing & Preference Gemini 2.5 Pro leads
Chatgpt 4o Latest 20250326: 62.6 (#72), Gemini 2.5 Pro: 63.7 (#62)
| Benchmark | Chatgpt 4o Latest 20250326 | Gemini 2.5 Pro |
|---|---|---|
| LMArena Text | 1429 | 1458 |
| LMArena Creative Writing | 1405 | 1454 |
| EQ-Bench Creative Writing | 1501 | 1421 |
| LMArena Multi-Turn | 1454 | 1453 |
| Short-Story Creative Writing | — | 83.8% |
| WildBench | — | 85.7% |
| LiveBench Language | — | 67.8% |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Gemini 2.5 Pro?
Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 43.8 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Gemini 2.5 Pro better for coding?
They score almost the same on coding (41.6 vs 42.4); test both on your own repository before choosing.
How many benchmarks do Chatgpt 4o Latest 20250326 and Gemini 2.5 Pro share?
21 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Gemini 2.5 Pro has 78.