Model comparison
Gemini 2.0 Pro vs Gemini 2.5 Flash
Gemini 2.0 Pro and Gemini 2.5 Flash score almost the same on the Noometry Index (39.1 vs 39.3), so choose on price, context window or the category you care about most.
Last verified . 5 shared benchmarks.
GoogleSummary
- They share 5 benchmarks with published results for both. Gemini 2.0 Pro scores higher in 3 categories and Gemini 2.5 Flash in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemini 2.5 Flash leads 47.5 to 29.2.
- The biggest single-benchmark swing is Fiction.LiveBench: 41.7% for Gemini 2.0 Pro and 77.8% for Gemini 2.5 Flash.
Side by side
| Gemini 2.0 Pro | Gemini 2.5 Flash | |
|---|---|---|
| Provider | ||
| Noometry Index | 39.1 | 39.3 |
| Released | 2025-02-05 | 2025-04-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 14 | 54 |
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Category by category
Coding Gemini 2.0 Pro leads
Gemini 2.0 Pro: 37.8 (#187), Gemini 2.5 Flash: 35.8 (#220)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| Aider Polyglot | 35.6% | 55.1% |
| SWE-bench Verified (bash only) | — | 28.7% |
| WeirdML | — | 41.9% |
| LiveBench Coding | 63.5% | — |
| LMArena Coding | — | 1424 |
| ALE-Bench | — | 661.88 |
Agentic & Tool Use Not comparable
Gemini 2.0 Pro: —, Gemini 2.5 Flash: 30.8 (#74)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| Terminal-Bench | — | 17.1% |
| Berkeley Function Calling Leaderboard | — | 56.2% |
| TheAgentCompany | — | 41.1% |
| BALROG | — | 33.5% |
| Vending-Bench 2 | — | 548.84 |
Reasoning Gemini 2.0 Pro leads
Gemini 2.0 Pro: 22.3 (#198), Gemini 2.5 Flash: 18.1 (#286)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| EnigmaEval | 0.7% | 2.7% |
| Epoch Capabilities Index | 135.06 | 143.03 |
| ARC-AGI-2 | — | 2.5% |
| SimpleBench | — | 41.2% |
| Kagi LLM Benchmark | — | 56.8% |
| ARC-AGI-1 | — | 33.3% |
| CritPt | — | 1.1% |
| LiveBench Reasoning | 60.1% | — |
| LMArena Hard Prompts | — | 1422 |
| DTBench | — | 76.5% |
| LiveBench Data Analysis | 68% | — |
| LMCA | — | 27.5% |
| ForecastBench | — | 60.6 |
| LiveBench | 65.1% | — |
Math Too close to call
Gemini 2.0 Pro: 39.7 (#100), Gemini 2.5 Flash: 39.9 (#98)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 73.1% |
| Omni-MATH | — | 38.5% |
| LiveBench Math | 71% | — |
| LMArena Math | — | 1415 |
| MATH Level 5 | 83.5% | — |
| FrontierMath (Feb 2025 set) | — | 4.8% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Too close to call
Gemini 2.0 Pro: 36.5 (#167), Gemini 2.5 Flash: 36.4 (#168)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| Confabulations | 18.4% | 16.8% |
| GPQA Diamond | 65.7% | — |
| Humanity's Last Exam | — | 12.1% |
| MMLU-Pro | — | 63.9% |
| Vectara Hallucination Rate | — | 7.8% |
| GPQA (HELM) | — | 39% |
| LMArena Expert | — | 1426 |
Multimodal Not comparable
Gemini 2.0 Pro: —, Gemini 2.5 Flash: 41.8 (#32)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| LMArena Vision | — | 1253 |
| GeoBench | — | 76% |
| VPCT | — | 46.2% |
| SpatialViz-Bench | — | 36.9% |
Multilingual Not comparable
Gemini 2.0 Pro: —, Gemini 2.5 Flash: 52.3 (#88)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| 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 Too close to call
Gemini 2.0 Pro: 75.5 (#59), Gemini 2.5 Flash: 75.7 (#54)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| LiveBench Instruction Following | 83.4% | — |
| IFEval | — | 89.8% |
| LMArena Instruction Following | — | 1405 |
Long Context Gemini 2.5 Flash leads
Gemini 2.0 Pro: 29.2 (#292), Gemini 2.5 Flash: 47.5 (#17)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| Fiction.LiveBench | 41.7% | 77.8% |
| LMArena Longer Query | — | 1419 |
Writing & Preference Gemini 2.5 Flash leads
Gemini 2.0 Pro: 52.7 (#165), Gemini 2.5 Flash: 53.8 (#157)
| Benchmark | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| 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 |
| LiveBench Language | 44.9% | — |
Frequently asked questions
Is Gemini 2.0 Pro better than Gemini 2.5 Flash?
Gemini 2.0 Pro and Gemini 2.5 Flash score almost the same on the Noometry Index (39.1 vs 39.3), so choose on price, context window or the category you care about most.
Is Gemini 2.0 Pro or Gemini 2.5 Flash better for coding?
Gemini 2.0 Pro scores higher on coding benchmarks: 37.8 versus 35.8 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Pro and Gemini 2.5 Flash share?
5 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and Gemini 2.5 Flash has 54.