Model comparison
Amazon Nova Experimental Chat 10 20 vs Grok 3
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 39.9 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 4 categories and Grok 3 in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 20 leads 28.4 to 13.7.
Side by side
| Amazon Nova Experimental Chat 10 20 | Grok 3 | |
|---|---|---|
| Provider | Amazon | xAI |
| Noometry Index | 42.1 | 39.9 |
| Released | — | 2025-04-09 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 17 | 40 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Grok 3: 41.9 (#115)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Coding | 1412 | 1432 |
| Aider Polyglot | — | 53.3% |
| WeirdML | — | 37.2% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Grok 3: 30.5 (#76)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| BALROG | — | 29.5% |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Grok 3: 13.7 (#333)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1434 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 36.1% |
| Kagi LLM Benchmark | — | 61.3% |
| ARC-AGI-1 | — | 5.5% |
| Epoch Capabilities Index | — | 138.33 |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Grok 3: 38.0 (#145)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Math | 1425 | 1391 |
| OTIS Mock AIME 2024-2025 | — | 55.6% |
| Omni-MATH | — | 46.4% |
| MATH Level 5 | — | 88.7% |
| FrontierMath (Feb 2025 set) | — | 3.8% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Grok 3 leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Grok 3: 46.2 (#82)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Expert | 1386 | 1421 |
| GPQA Diamond | — | 75.8% |
| MMLU-Pro | — | 78.8% |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 5.8% |
| GPQA (HELM) | — | 65% |
Multilingual Grok 3 leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Grok 3: 52.3 (#87)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Non-English | 1372 | 1410 |
| LMArena Chinese | 1404 | 1448 |
| LMArena French | 1425 | 1460 |
| LMArena German | 1391 | 1431 |
| LMArena Japanese | 1360 | 1387 |
| LMArena Korean | 1324 | 1373 |
| LMArena Russian | 1371 | 1416 |
| LMArena Spanish | 1382 | 1417 |
Instruction Following Grok 3 leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Grok 3: 75.0 (#73)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Instruction Following | 1365 | 1409 |
| IFEval | — | 88.4% |
Long Context Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Grok 3: 38.7 (#192)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Longer Query | 1370 | 1439 |
| Fiction.LiveBench | — | 58.3% |
Writing & Preference Too close to call
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Grok 3: 55.8 (#141)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok 3 |
|---|---|---|
| LMArena Text | 1394 | 1426 |
| LMArena Creative Writing | 1318 | 1414 |
| LMArena Multi-Turn | 1364 | 1425 |
| Short-Story Creative Writing | — | 76.4% |
| EQ-Bench Creative Writing | — | 1186 |
| WildBench | — | 84.9% |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Grok 3?
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 39.9 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Grok 3 better for coding?
They score almost the same on coding (41.6 vs 41.9); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Grok 3 share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Grok 3 has 40.