Model comparison
Amazon Nova Experimental Chat 10 20 vs Llama 4 Maverick
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 30.9 on the Noometry Index.
Last verified . 17 shared benchmarks.
MetaSummary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 8 categories and Llama 4 Maverick in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 20 leads 28.4 to 10.1.
- Llama 4 Maverick has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick | |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 42.1 | 30.9 |
| Released | — | 2025-04-05 |
| Weights | Proprietary | Open |
| Context window | — | 128K |
| Max output | — | 4K |
| Input $ / M tokens | — | $0.19 |
| Output $ / M tokens | — | $0.65 |
| Results tracked | 17 | 54 |
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Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Llama 4 Maverick: 26.6 (#324)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Coding | 1412 | 1302 |
| SWE-bench Verified (bash only) | — | 21% |
| Aider Polyglot | — | 15.6% |
| SciCode | — | 33.1% |
| WeirdML | — | 24.5% |
| BigCodeBench Instruct | — | 49.7% |
| BigCodeBench Complete | — | 61.4% |
| ALE-Bench | — | 172.97 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Llama 4 Maverick: 28.2 (#91)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 37.3% |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Llama 4 Maverick: 10.1 (#342)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1281 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 27.7% |
| Kagi LLM Benchmark | — | 55.9% |
| NYT Connections (extended) | — | 8% |
| ARC-AGI-1 | — | 4.4% |
| CritPt | — | 0% |
| EnigmaEval | — | 0.6% |
| DTBench | — | 61.9% |
| LMCA | — | 15.9% |
| Epoch Capabilities Index | — | 132.2 |
| ForecastBench | — | 57.5 |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Llama 4 Maverick: 26.0 (#262)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Math | 1425 | 1299 |
| OTIS Mock AIME 2024-2025 | — | 20.6% |
| Omni-MATH | — | 42.2% |
| MATH Level 5 | — | 73% |
| FrontierMath (Feb 2025 set) | — | 0.7% |
Knowledge Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Llama 4 Maverick: 33.4 (#204)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Expert | 1386 | 1259 |
| GPQA Diamond | — | 67% |
| Humanity's Last Exam | — | 5.7% |
| MMLU-Pro | — | 81% |
| Confabulations | — | 22.6% |
| Vectara Hallucination Rate | — | 8.2% |
| GPQA (HELM) | — | 65% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, Llama 4 Maverick: 31.6 (#105)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Vision | — | 1142 |
| GeoBench | — | 52% |
| SpatialViz-Bench | — | 31.8% |
Multilingual Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Llama 4 Maverick: 42.2 (#195)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Non-English | 1372 | 1269 |
| LMArena Chinese | 1404 | 1277 |
| LMArena French | 1425 | 1259 |
| LMArena German | 1391 | 1291 |
| LMArena Japanese | 1360 | 1207 |
| LMArena Korean | 1324 | 1203 |
| LMArena Russian | 1371 | 1286 |
| LMArena Spanish | 1382 | 1293 |
Instruction Following Too close to call
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Llama 4 Maverick: 71.7 (#146)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Instruction Following | 1365 | 1267 |
| IFEval | — | 90.8% |
Long Context Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Llama 4 Maverick: 31.4 (#279)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Longer Query | 1370 | 1280 |
| Fiction.LiveBench | — | 46.2% |
Writing & Preference Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Llama 4 Maverick: 38.8 (#252)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Llama 4 Maverick |
|---|---|---|
| LMArena Text | 1394 | 1287 |
| LMArena Creative Writing | 1318 | 1267 |
| LMArena Multi-Turn | 1364 | 1289 |
| Short-Story Creative Writing | — | 62% |
| EQ-Bench Creative Writing | — | 860 |
| WildBench | — | 80% |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Llama 4 Maverick?
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 30.9 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Llama 4 Maverick better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 26.6 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Llama 4 Maverick share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Llama 4 Maverick has 54.