Model comparison
Amazon Nova Pro vs Gemini 3 Flash Preview
Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 31.0 on the Noometry Index.
Last verified . 20 shared benchmarks.
GoogleSummary
- They share 20 benchmarks with published results for both. Amazon Nova Pro scores higher in 0 categories and Gemini 3 Flash Preview in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3 Flash Preview leads 58.8 to 27.4.
- The biggest single-benchmark swing is Vectara Hallucination Rate: 5.1% for Amazon Nova Pro and 13.5% for Gemini 3 Flash Preview.
- Gemini 3 Flash Preview is cheaper at $0.50 / $3 per million input/output tokens, against $0.80 / $3.20 for Amazon Nova Pro.
- Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 300K.
Side by side
| Amazon Nova Pro | Gemini 3 Flash Preview | |
|---|---|---|
| Provider | Amazon | |
| Noometry Index | 31.0 | 52.3 |
| Released | 2024-12-03 | 2025-12-17 |
| Weights | Proprietary | Proprietary |
| Context window | 300K | 1.05M |
| Max output | 10K | 66K |
| Input $ / M tokens | $0.80 | $0.50 |
| Output $ / M tokens | $3.20 | $3 |
| Results tracked | 38 | 59 |
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Category by category
Coding Gemini 3 Flash Preview leads
Amazon Nova Pro: 35.1 (#229), Gemini 3 Flash Preview: 50.9 (#42)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Coding | 1270 | 1460 |
| SWE-bench Verified | — | 75.4% |
| SWE-bench Verified (bash only) | — | 75.8% |
| LMArena WebDev | — | 1439 |
| SWE-bench Multilingual | — | 72.7% |
| GSO | — | 9.8% |
| WeirdML | — | 61.6% |
| LiveBench Coding | 38.1% | — |
| ALE-Bench | — | 1,367 |
Agentic & Tool Use Gemini 3 Flash Preview leads
Amazon Nova Pro: 16.7 (#147), Gemini 3 Flash Preview: 38.7 (#29)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| Terminal-Bench | — | 64.3% |
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
| τ²-bench Airline | — | 82.5% |
| τ²-bench Banking | — | 27.3% |
| τ²-bench Retail | — | 76.8% |
| τ²-bench Telecom | — | 91.2% |
| DeepResearch Bench | — | 49.8% |
| BALROG | — | 48.1% |
| GDP.pdf | — | 10% |
| LMArena Search | — | 1198 |
| Vending-Bench 2 | — | 3,635 |
Reasoning Gemini 3 Flash Preview leads
Amazon Nova Pro: 20.0 (#243), Gemini 3 Flash Preview: 49.2 (#37)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1465 |
| Epoch Capabilities Index | 123.8 | 151.8 |
| ARC-AGI-2 | — | 33.6% |
| SimpleBench | — | 61.1% |
| NYT Connections (extended) | — | 83.1% |
| ARC-AGI-1 | — | 84.7% |
| Chess Puzzles | — | 40% |
| LiveBench Reasoning | 32.6% | — |
| Mystery Game Puzzles | — | 26% |
| DTBench | — | 89.1% |
| LiveBench Data Analysis | 48.3% | — |
| LMCA | — | 43.1% |
| ForecastBench | — | 58.5 |
| LiveBench | 43.5% | — |
Math Gemini 3 Flash Preview leads
Amazon Nova Pro: 28.5 (#243), Gemini 3 Flash Preview: 51.7 (#55)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Math | 1252 | 1473 |
| FrontierMath (Tiers 1-3) | — | 51.2% |
| FrontierMath Tier 4 | — | 17.1% |
| MathArena Final-Answer Competitions | — | 67.6% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 15% |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |
| FrontierMath (Feb 2025 set) | — | 35.6% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Gemini 3 Flash Preview leads
Amazon Nova Pro: 27.4 (#250), Gemini 3 Flash Preview: 58.8 (#33)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| Vectara Hallucination Rate | 5.1% | 13.5% |
| LMArena Expert | 1211 | 1462 |
| GPQA Diamond | — | 89.4% |
| Humanity's Last Exam | 4.4% | — |
| SimpleQA Verified | — | 66.8% |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| GPQA (HELM) | 44.6% | — |
| MMLU | 82% | — |
Multimodal Gemini 3 Flash Preview leads
Amazon Nova Pro: 25.0 (#126), Gemini 3 Flash Preview: 45.5 (#16)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Vision | 980 | 1285 |
| GeoBench | — | 88% |
| VPCT | — | 72.6% |
| Blueprint-Bench 2 | — | 0% |
| LMArena Document | — | 1413 |
Multilingual Gemini 3 Flash Preview leads
Amazon Nova Pro: 39.7 (#223), Gemini 3 Flash Preview: 55.7 (#27)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Non-English | 1234 | 1458 |
| LMArena Chinese | 1244 | 1511 |
| LMArena French | 1271 | 1477 |
| LMArena German | 1243 | 1497 |
| LMArena Japanese | 1200 | 1489 |
| LMArena Korean | 1203 | 1443 |
| LMArena Russian | 1240 | 1480 |
| LMArena Spanish | 1182 | 1469 |
Instruction Following Gemini 3 Flash Preview leads
Amazon Nova Pro: 64.9 (#226), Gemini 3 Flash Preview: 75.7 (#56)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Instruction Following | 1235 | 1437 |
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |
Long Context Gemini 3 Flash Preview leads
Amazon Nova Pro: 38.1 (#205), Gemini 3 Flash Preview: 44.4 (#67)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Longer Query | 1255 | 1452 |
Writing & Preference Gemini 3 Flash Preview leads
Amazon Nova Pro: 43.9 (#226), Gemini 3 Flash Preview: 65.5 (#45)
| Benchmark | Amazon Nova Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Text | 1259 | 1466 |
| LMArena Creative Writing | 1212 | 1457 |
| LMArena Multi-Turn | 1246 | 1471 |
| Short-Story Creative Writing | 60.5% | — |
| WildBench | 77.7% | — |
| LiveBench Language | 37% | — |
Frequently asked questions
Is Amazon Nova Pro better than Gemini 3 Flash Preview?
Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 31.0 on the Noometry Index.
Which is cheaper, Amazon Nova Pro or Gemini 3 Flash Preview?
Gemini 3 Flash Preview is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Amazon Nova Pro lists at $0.80 and $3.20.
Is Amazon Nova Pro or Gemini 3 Flash Preview better for coding?
Gemini 3 Flash Preview scores higher on coding benchmarks: 50.9 versus 35.1 in the Noometry coding category.
Which has the bigger context window?
Gemini 3 Flash Preview does, with 1.05M tokens against 300K.
How many benchmarks do Amazon Nova Pro and Gemini 3 Flash Preview share?
20 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Gemini 3 Flash Preview has 59.