Model comparison
Chatgpt 4o Latest 20250326 vs Nova Premier 1.0
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 37.7 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Chatgpt 4o Latest 20250326 scores higher in 5 categories and Nova Premier 1.0 in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.8 to 51.0.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for Chatgpt 4o Latest 20250326 and 44.8% for Nova Premier 1.0.
Side by side
| Chatgpt 4o Latest 20250326 | Nova Premier 1.0 | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 43.2 | 37.7 |
| Released | — | 2025-04-30 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 10K |
| Input $ / M tokens | — | $2.50 |
| Output $ / M tokens | — | $12.50 |
| Results tracked | 21 | 6 |
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Category by category
Coding Not comparable
Chatgpt 4o Latest 20250326: 41.0 (#122), Nova Premier 1.0: —
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| LMArena Coding | 1413 | — |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 32.8 (#64), Nova Premier 1.0: 22.3 (#182)
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | 75% | 44.8% |
| LMArena Hard Prompts | 1424 | — |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 35.8 (#134), Nova Premier 1.0: 31.5 (#194)
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| Omni-MATH | — | 35% |
| LMArena Math | 1407 | — |
Knowledge Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.7 (#131), Nova Premier 1.0: 35.4 (#176)
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| MMLU-Pro | — | 72.6% |
| Confabulations | 16.6% | — |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1400 | — |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 38.9 (#54), Nova Premier 1.0: —
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Not comparable
Chatgpt 4o Latest 20250326: 53.1 (#72), Nova Premier 1.0: —
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1419 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1447 | — |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |
| LMArena Russian | 1429 | — |
| LMArena Spanish | 1435 | — |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.2 (#102), Nova Premier 1.0: 66.9 (#201)
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1403 | — |
Long Context Not comparable
Chatgpt 4o Latest 20250326: 43.1 (#104), Nova Premier 1.0: —
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| LMArena Longer Query | 1413 | — |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.8 (#68), Nova Premier 1.0: 51.0 (#174)
| Benchmark | Chatgpt 4o Latest 20250326 | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1429 | — |
| LMArena Creative Writing | 1406 | — |
| EQ-Bench Creative Writing | 1501 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1454 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Nova Premier 1.0?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 37.7 on the Noometry Index.
How many benchmarks do Chatgpt 4o Latest 20250326 and Nova Premier 1.0 share?
1 benchmark has published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Nova Premier 1.0 has 6.