Model comparison
Chatgpt 4o Latest 20250326 vs GPT-4.1
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 35.9 on the Noometry Index.
Last verified . 20 shared benchmarks.
Summary
- They share 20 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 9 categories and GPT-4.1 in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 33.8 to 11.7.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for Chatgpt 4o Latest 20250326 and 52.3% for GPT-4.1.
Side by side
| Chatgpt 4o Latest 20250326 | GPT-4.1 | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 43.8 | 35.9 |
| Released | — | 2025-04-14 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 33K |
| Input $ / M tokens | — | $2 |
| Output $ / M tokens | — | $8 |
| Results tracked | 21 | 52 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), GPT-4.1: 34.4 (#238)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Coding | 1413 | 1391 |
| SWE-bench Verified | — | 48.5% |
| SWE-bench Verified (bash only) | — | 39.6% |
| Aider Polyglot | — | 52.4% |
| WeirdML | — | 39% |
| CadEval | — | 42% |
| ALE-Bench | — | 558.1 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, GPT-4.1: 34.7 (#43)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 54% |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), GPT-4.1: 11.7 (#339)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| Kagi LLM Benchmark | 75% | 52.3% |
| LMArena Hard Prompts | 1424 | 1384 |
| ARC-AGI-2 | — | 0.4% |
| SimpleBench | — | 27% |
| ARC-AGI-1 | — | 5.5% |
| Chess Puzzles | — | 6% |
| EnigmaEval | — | 2.2% |
| DTBench | — | 68.3% |
| LMCA | — | 25.6% |
| Epoch Capabilities Index | — | 136.78 |
| ForecastBench | — | 61.5 |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), GPT-4.1: 22.3 (#280)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Math | 1407 | 1370 |
| FrontierMath (Tiers 1-3) | — | 6% |
| OTIS Mock AIME 2024-2025 | — | 38.3% |
| Omni-MATH | — | 47.1% |
| MATH Level 5 | — | 83% |
| FrontierMath (Feb 2025 set) | — | 5.5% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.2 (#137), GPT-4.1: 37.1 (#160)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Expert | 1401 | 1364 |
| GPQA Diamond | — | 66.9% |
| Humanity's Last Exam | — | 5.4% |
| SimpleQA Verified | — | 31.1% |
| MMLU-Pro | — | 81.1% |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 5.6% |
| GPQA (HELM) | — | 65.9% |
Multimodal Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.6 (#58), GPT-4.1: 38.2 (#67)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Vision | 1243 | 1211 |
| GeoBench | — | 72% |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 52.9 (#76), GPT-4.1: 49.4 (#133)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Non-English | 1419 | 1370 |
| LMArena Chinese | 1457 | 1382 |
| LMArena French | 1446 | 1382 |
| LMArena German | 1423 | 1381 |
| LMArena Japanese | 1405 | 1319 |
| LMArena Korean | 1396 | 1339 |
| LMArena Russian | 1429 | 1377 |
| LMArena Spanish | 1434 | 1376 |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.0 (#107), GPT-4.1: 71.3 (#153)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Instruction Following | 1403 | 1367 |
| IFEval | — | 83.8% |
Long Context Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 43.1 (#107), GPT-4.1: 40.0 (#163)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Longer Query | 1413 | 1385 |
| Fiction.LiveBench | — | 63.9% |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.6 (#72), GPT-4.1: 57.6 (#125)
| Benchmark | Chatgpt 4o Latest 20250326 | GPT-4.1 |
|---|---|---|
| LMArena Text | 1429 | 1383 |
| LMArena Creative Writing | 1405 | 1363 |
| EQ-Bench Creative Writing | 1501 | 1420 |
| LMArena Multi-Turn | 1454 | 1398 |
| WildBench | — | 85.4% |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than GPT-4.1?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 35.9 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or GPT-4.1 better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 34.4 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and GPT-4.1 share?
20 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and GPT-4.1 has 52.