# 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.

- Canonical page: https://noometry.com/compare/gemini-2-0-pro-vs-gemini-2-5-flash
- Last updated: 2026-10-11
- Shared benchmarks: 5

## Summary

- 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.

## Snapshot

| | Gemini 2.0 Pro | Gemini 2.5 Flash |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 39.1 | 39.3 |
| Rank | 173 | 170 |
| Context | — | 1.05M |
| Input $/M | — | $0.30 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- 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

- 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: 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

- 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

- 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

- 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

- 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

- 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 2.0 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 2.0 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% | — |

## FAQ

### 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.
