Model comparison
Amazon Nova Experimental Chat 10 20 vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 41.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 27.3.
Side by side
| Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 41.5 | 58.8 |
| Released | — | 2026-03-05 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $30 |
| Output $ / M tokens | — | $180 |
| Results tracked | 17 | 16 |
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Category by category
Coding GPT-5.4 Pro leads
Amazon Nova Experimental Chat 10 20: 41.0 (#123), GPT-5.4 Pro: 42.6 (#89)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| WeirdML | — | 57.4% |
| LMArena Coding | 1413 | — |
Reasoning GPT-5.4 Pro leads
Amazon Nova Experimental Chat 10 20: 27.3 (#110), GPT-5.4 Pro: 71.0 (#10)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| ARC-AGI-1 | — | 94.5% |
| CritPt | — | 30% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| LMArena Hard Prompts | 1396 | — |
| Epoch Capabilities Index | — | 159.12 |
Math GPT-5.4 Pro leads
Amazon Nova Experimental Chat 10 20: 36.2 (#121), GPT-5.4 Pro: 72.0 (#17)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| LMArena Math | 1425 | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge GPT-5.4 Pro leads
Amazon Nova Experimental Chat 10 20: 37.8 (#142), GPT-5.4 Pro: 68.3 (#6)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | — | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Vectara Hallucination Rate | — | 8.3% |
| LMArena Expert | 1385 | — |
Multilingual Not comparable
Amazon Nova Experimental Chat 10 20: 49.7 (#127), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| LMArena Non-English | 1372 | — |
| LMArena Chinese | 1405 | — |
| LMArena French | 1426 | — |
| LMArena German | 1391 | — |
| LMArena Japanese | 1355 | — |
| LMArena Korean | 1327 | — |
| LMArena Russian | 1371 | — |
| LMArena Spanish | 1381 | — |
Instruction Following Not comparable
Amazon Nova Experimental Chat 10 20: 72.3 (#136), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| LMArena Instruction Following | 1365 | — |
Long Context Not comparable
Amazon Nova Experimental Chat 10 20: 41.7 (#128), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| LMArena Longer Query | 1370 | — |
Writing & Preference Not comparable
Amazon Nova Experimental Chat 10 20: 56.9 (#131), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1394 | — |
| LMArena Creative Writing | 1318 | — |
| LMArena Multi-Turn | 1364 | — |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 41.5 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or GPT-5.4 Pro better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 41.0 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and GPT-5.4 Pro share?
0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and GPT-5.4 Pro has 16.