Model comparison
Chatgpt 4o Latest 20250326 vs o1
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 40.9 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 5 categories and o1 in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where o1 leads 50.3 to 43.1.
Side by side
| Chatgpt 4o Latest 20250326 | o1 | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 43.8 | 40.9 |
| Released | — | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | — | 200K |
| Max output | — | 100K |
| Input $ / M tokens | — | $15 |
| Output $ / M tokens | — | $60 |
| Results tracked | 21 | 52 |
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Category by category
Coding o1 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), o1: 46.1 (#70)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Coding | 1413 | 1367 |
| Aider Polyglot | — | 61.7% |
| WeirdML | — | 47.6% |
| LiveBench Coding | — | 69.7% |
| CadEval | — | 56% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, o1: 24.6 (#117)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| Cybench | — | 10% |
| METR Time Horizons | — | 51.1% |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), o1: 27.9 (#111)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1371 |
| SimpleBench | — | 41.7% |
| Kagi LLM Benchmark | 75% | — |
| ARC-AGI-1 | — | 30.7% |
| Chess Puzzles | — | 15% |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| DTBench | — | 74.7% |
| LiveBench Data Analysis | — | 65.5% |
| LMCA | — | 22.3% |
| Epoch Capabilities Index | — | 141.91 |
| LiveBench | — | 75.7% |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), o1: 36.1 (#175)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Math | 1407 | 1388 |
| FrontierMath (Tiers 1-3) | — | 14.7% |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| LiveBench Math | — | 80.3% |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |
Knowledge o1 leads
Chatgpt 4o Latest 20250326: 39.2 (#137), o1: 41.5 (#110)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| Confabulations | 16.6% | 11.7% |
| LMArena Expert | 1401 | 1361 |
| GPQA Diamond | — | 76.8% |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
Multimodal Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.6 (#58), o1: 34.2 (#93)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Vision | 1243 | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 52.9 (#76), o1: 48.6 (#142)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Non-English | 1419 | 1358 |
| LMArena Chinese | 1457 | 1394 |
| LMArena French | 1446 | 1344 |
| LMArena German | 1423 | 1337 |
| LMArena Japanese | 1405 | 1346 |
| LMArena Korean | 1396 | 1396 |
| LMArena Russian | 1429 | 1356 |
| LMArena Spanish | 1434 | 1345 |
Instruction Following Too close to call
Chatgpt 4o Latest 20250326: 74.0 (#107), o1: 74.8 (#86)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Instruction Following | 1403 | 1367 |
| LiveBench Instruction Following | — | 81.5% |
Long Context o1 leads
Chatgpt 4o Latest 20250326: 43.1 (#107), o1: 50.3 (#9)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Longer Query | 1413 | 1378 |
| Fiction.LiveBench | — | 83.3% |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.6 (#72), o1: 55.6 (#144)
| Benchmark | Chatgpt 4o Latest 20250326 | o1 |
|---|---|---|
| LMArena Text | 1429 | 1366 |
| LMArena Creative Writing | 1405 | 1348 |
| LMArena Multi-Turn | 1454 | 1369 |
| Short-Story Creative Writing | — | 70.2% |
| EQ-Bench Creative Writing | 1501 | — |
| LiveBench Language | — | 65.4% |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than o1?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 40.9 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or o1 better for coding?
o1 scores higher on coding benchmarks: 46.1 versus 41.6 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and o1 share?
19 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and o1 has 52.