Model comparison
Amazon Nova Experimental Chat 10 09 vs Gemini 3.8 Flash
Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.9 on the Noometry Index.
Last verified . 9 shared benchmarks.
GoogleSummary
- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and Gemini 3.8 Flash in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 27.3.
Side by side
| Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash | |
|---|---|---|
| Provider | Amazon | |
| Noometry Index | 41.9 | 61.8 |
| Released | — | 2026-09-02 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.75 |
| Output $ / M tokens | — | $3.75 |
| Results tracked | 9 | 50 |
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Category by category
Coding Gemini 3.8 Flash leads
Amazon Nova Experimental Chat 10 09: 40.2 (#145), Gemini 3.8 Flash: 59.2 (#15)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Coding | 1370 | 1510 |
| DeepSWE | — | 73.8% |
| FrontierCode | — | 41.2% |
| CursorBench | — | 39.6% |
| LMArena WebDev | — | 1584 |
| FrontierSWE | — | 19.6% |
| SciCode | — | 56.6% |
| WeirdML | — | 84.8% |
| ALE-Bench | — | 1,270 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 09: —, Gemini 3.8 Flash: 41.8 (#21)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| APEX-Agents | — | 64.3% |
| Remote Labor Index | — | 5.8% |
| GDP.pdf | — | 23.4% |
| Vending-Bench 2 | — | 5,094 |
Reasoning Gemini 3.8 Flash leads
Amazon Nova Experimental Chat 10 09: 27.3 (#120), Gemini 3.8 Flash: 76.9 (#5)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1508 |
| ARC-AGI-2 | — | 89.2% |
| NYT Connections (extended) | — | 97.4% |
| ARC-AGI-1 | — | 98.5% |
| CritPt | — | 18.3% |
| Chess Puzzles | — | 61% |
| Mystery Game Puzzles | — | 47% |
| DTBench | — | 95.7% |
| LMCA | — | 52.9% |
| Surface Evolver Bench | — | 76.9% |
| Epoch Capabilities Index | — | 156.71 |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Gemini 3.8 Flash: 65.3 (#28)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 68.4% |
| FrontierMath Tier 4 | — | 22% |
| OTIS Mock AIME 2024-2025 | — | 98.9% |
| ProofBench | — | 48% |
| LMArena Math | — | 1528 |
Knowledge Not comparable
Amazon Nova Experimental Chat 10 09: —, Gemini 3.8 Flash: 74.8 (#2)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| GPQA Diamond | — | 95.4% |
| Humanity's Last Exam | — | 44.5% |
| SimpleQA Verified | — | 69.7% |
| LMArena Expert | — | 1524 |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 09: —, Gemini 3.8 Flash: 40.7 (#45)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Vision | — | 1314 |
| Blueprint-Bench 2 | — | 38.6% |
| Furniture Assembly | — | 31.7% |
Multilingual Gemini 3.8 Flash leads
Amazon Nova Experimental Chat 10 09: 47.3 (#150), Gemini 3.8 Flash: 58.0 (#5)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Non-English | 1340 | 1491 |
| LMArena Chinese | 1341 | 1554 |
| LMArena French | — | 1498 |
| LMArena German | — | 1493 |
| LMArena Japanese | — | 1502 |
| LMArena Korean | — | 1459 |
| LMArena Russian | — | 1515 |
| LMArena Spanish | — | 1485 |
Instruction Following Gemini 3.8 Flash leads
Amazon Nova Experimental Chat 10 09: 69.4 (#172), Gemini 3.8 Flash: 78.0 (#13)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Instruction Following | 1315 | 1490 |
Long Context Gemini 3.8 Flash leads
Amazon Nova Experimental Chat 10 09: 40.5 (#152), Gemini 3.8 Flash: 46.3 (#24)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Longer Query | 1333 | 1508 |
Writing & Preference Gemini 3.8 Flash leads
Amazon Nova Experimental Chat 10 09: 54.7 (#149), Gemini 3.8 Flash: 72.2 (#15)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Text | 1364 | 1499 |
| LMArena Creative Writing | 1307 | 1492 |
| LMArena Multi-Turn | 1355 | 1501 |
| EQ-Bench Creative Writing | — | 1748 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Gemini 3.8 Flash?
Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.9 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 09 or Gemini 3.8 Flash better for coding?
Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 40.2 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Gemini 3.8 Flash share?
9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Gemini 3.8 Flash has 50.