Model comparison
Gemini 2.5 Flash vs Nova 2.0 Pro Preview
Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 33.4 on the Noometry Index.
Last verified . 1 shared benchmarks.
GoogleSummary
- They share 1 benchmark with published results for both. Gemini 2.5 Flash scores higher in 1 category and Nova 2.0 Pro Preview in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where Gemini 2.5 Flash leads 30.8 to 21.9.
Side by side
| Gemini 2.5 Flash | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | Amazon | |
| Noometry Index | 39.3 | 33.4 |
| Released | 2025-04-17 | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 54 | 3 |
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Category by category
Coding Nova 2.0 Pro Preview leads
Gemini 2.5 Flash: 35.8 (#220), Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| SciCode | — | 42.7% |
| WeirdML | 41.9% | — |
| LMArena Coding | 1424 | — |
| ALE-Bench | 661.88 | — |
Agentic & Tool Use Gemini 2.5 Flash leads
Gemini 2.5 Flash: 30.8 (#74), Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| GDP.pdf | — | 2% |
| Vending-Bench 2 | 548.84 | — |
Reasoning Nova 2.0 Pro Preview leads
Gemini 2.5 Flash: 18.1 (#286), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | 1.1% | 0% |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| EnigmaEval | 2.7% | — |
| LMArena Hard Prompts | 1422 | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| Epoch Capabilities Index | 143.03 | — |
| ForecastBench | 60.6 | — |
Math Not comparable
Gemini 2.5 Flash: 39.9 (#98), Nova 2.0 Pro Preview: —
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| LMArena Math | 1415 | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Not comparable
Gemini 2.5 Flash: 36.4 (#168), Nova 2.0 Pro Preview: —
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |
| LMArena Expert | 1426 | — |
Multimodal Not comparable
Gemini 2.5 Flash: 41.8 (#32), Nova 2.0 Pro Preview: —
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Vision | 1253 | — |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |
Multilingual Not comparable
Gemini 2.5 Flash: 52.3 (#88), Nova 2.0 Pro Preview: —
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1409 | — |
| LMArena Chinese | 1450 | — |
| LMArena French | 1433 | — |
| LMArena German | 1418 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1385 | — |
| LMArena Russian | 1415 | — |
| LMArena Spanish | 1421 | — |
Instruction Following Not comparable
Gemini 2.5 Flash: 75.7 (#54), Nova 2.0 Pro Preview: —
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| IFEval | 89.8% | — |
| LMArena Instruction Following | 1405 | — |
Long Context Not comparable
Gemini 2.5 Flash: 47.5 (#17), Nova 2.0 Pro Preview: —
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| Fiction.LiveBench | 77.8% | — |
| LMArena Longer Query | 1419 | — |
Writing & Preference Not comparable
Gemini 2.5 Flash: 53.8 (#157), Nova 2.0 Pro Preview: —
| Benchmark | Gemini 2.5 Flash | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1417 | — |
| LMArena Creative Writing | 1400 | — |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |
| LMArena Multi-Turn | 1408 | — |
Frequently asked questions
Is Gemini 2.5 Flash better than Nova 2.0 Pro Preview?
Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 33.4 on the Noometry Index.
Is Gemini 2.5 Flash or Nova 2.0 Pro Preview better for coding?
Nova 2.0 Pro Preview scores higher on coding benchmarks: 40.8 versus 35.8 in the Noometry coding category.
How many benchmarks do Gemini 2.5 Flash and Nova 2.0 Pro Preview share?
1 benchmark has published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Nova 2.0 Pro Preview has 3.