Model comparison
Chatgpt 4o Latest 20250326 vs Nemotron 3 Ultra
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 42.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
NVIDIASummary
- They share 17 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 3 categories and Nemotron 3 Ultra in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 39.2.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra | |
|---|---|---|
| Provider | OpenAI | NVIDIA |
| Noometry Index | 43.8 | 42.5 |
| Released | — | 2026-06-04 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.50 |
| Output $ / M tokens | — | $2.20 |
| Results tracked | 21 | 30 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), Nemotron 3 Ultra: 38.1 (#182)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Coding | 1413 | 1468 |
| FrontierCode | — | 13.6% |
| SciCode | — | 40.3% |
| WeirdML | — | 43.5% |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, Nemotron 3 Ultra: 23.4 (#126)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| APEX-Agents | — | 22.7% |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), Nemotron 3 Ultra: 31.0 (#82)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1452 |
| Kagi LLM Benchmark | 75% | — |
| CritPt | — | 3.1% |
| Chess Puzzles | — | 12% |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 90.1% |
| LMCA | — | 36.9% |
| Epoch Capabilities Index | — | 146.17 |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), Nemotron 3 Ultra: 35.3 (#187)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Math | 1407 | 1457 |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| ProofBench | — | 2% |
Knowledge Nemotron 3 Ultra leads
Chatgpt 4o Latest 20250326: 39.2 (#137), Nemotron 3 Ultra: 52.5 (#61)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Expert | 1401 | 1472 |
| GPQA Diamond | — | 85.4% |
| Confabulations | 16.6% | — |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 39.6 (#58), Nemotron 3 Ultra: —
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Too close to call
Chatgpt 4o Latest 20250326: 52.9 (#76), Nemotron 3 Ultra: 53.5 (#64)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Non-English | 1419 | 1427 |
| LMArena Chinese | 1457 | 1497 |
| LMArena French | 1446 | 1472 |
| LMArena German | 1423 | 1471 |
| LMArena Korean | 1396 | 1386 |
| LMArena Russian | 1429 | 1417 |
| LMArena Spanish | 1434 | 1454 |
| LMArena Japanese | 1405 | — |
Instruction Following Too close to call
Chatgpt 4o Latest 20250326: 74.0 (#107), Nemotron 3 Ultra: 74.7 (#88)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Instruction Following | 1403 | 1418 |
Long Context Too close to call
Chatgpt 4o Latest 20250326: 43.1 (#107), Nemotron 3 Ultra: 43.9 (#81)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Longer Query | 1413 | 1437 |
Writing & Preference Nemotron 3 Ultra leads
Chatgpt 4o Latest 20250326: 62.6 (#72), Nemotron 3 Ultra: 66.3 (#36)
| Benchmark | Chatgpt 4o Latest 20250326 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Text | 1429 | 1445 |
| LMArena Creative Writing | 1405 | 1398 |
| EQ-Bench Creative Writing | 1501 | 1692 |
| LMArena Multi-Turn | 1454 | 1411 |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Nemotron 3 Ultra?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 42.5 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Nemotron 3 Ultra better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 38.1 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Nemotron 3 Ultra share?
17 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Nemotron 3 Ultra has 30.