# Gemini 2.0 Pro vs Gemini 3.5 Flash

> Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 38.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-0-pro-vs-gemini-3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Gemini 2.0 Pro scores higher in 0 categories and Gemini 3.5 Flash in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.7 to 21.6.
- The biggest single-benchmark swing is GPQA Diamond: 65.7% for Gemini 2.0 Pro and 92.8% for Gemini 3.5 Flash.

## Snapshot

| | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 38.6 | 54.1 |
| Rank | 171 | 29 |
| Context | — | 1.05M |
| Input $/M | — | $1.50 |
| Output $/M | — | $9 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.0 Pro: 37.4 (#182)
- Gemini 3.5 Flash: 49.1 (#46)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| SWE-bench Verified | — | 79.3% |
| DeepSWE | — | 37.4% |
| Aider Polyglot | 35.6% | — |
| LMArena WebDev | — | 1499 |
| SciCode | — | 53.1% |
| WeirdML | — | 62.6% |
| LiveBench Coding | 63.5% | — |
| LMArena Coding | — | 1492 |
| ALE-Bench | — | 911.02 |

## Agentic & Tool Use

- Gemini 2.0 Pro: —
- Gemini 3.5 Flash: 24.8 (#107)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| APEX-Agents | — | 27.5% |
| GBAEval | — | 6.7% |
| GDP.pdf | — | 14% |
| Vending-Bench 2 | — | 5,396 |

## Reasoning

- Gemini 2.0 Pro: 21.6 (#194)
- Gemini 3.5 Flash: 62.7 (#16)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| EnigmaEval | 0.7% | 25.4% |
| Epoch Capabilities Index | 135.06 | 154.55 |
| ARC-AGI-2 | — | 72.1% |
| SimpleBench | — | 76.7% |
| NYT Connections (extended) | — | 92.6% |
| ARC-AGI-1 | — | 92.5% |
| CritPt | — | 13.1% |
| Chess Puzzles | — | 50% |
| EBR-Bench | — | 4.8% |
| LiveBench Reasoning | 60.1% | — |
| LMArena Hard Prompts | — | 1488 |
| Mystery Game Puzzles | — | 32% |
| DTBench | — | 94.7% |
| LiveBench Data Analysis | 68% | — |
| LMCA | — | 47.1% |
| Surface Evolver Bench | — | 58.1% |
| ForecastBench | — | 59 |
| LiveBench | 65.1% | — |

## Math

- Gemini 2.0 Pro: 37.1 (#101)
- Gemini 3.5 Flash: 60.5 (#30)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 62.8% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 76.3% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 31% |
| LiveBench Math | 71% | — |
| LMArena Math | — | 1502 |
| MATH Level 5 | 83.5% | — |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |

## Knowledge

- Gemini 2.0 Pro: 36.5 (#156)
- Gemini 3.5 Flash: 66.3 (#10)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| GPQA Diamond | 65.7% | 92.8% |
| SimpleQA Verified | — | 66.2% |
| Confabulations | 18.4% | — |
| LMArena Expert | — | 1493 |

## Multimodal

- Gemini 2.0 Pro: —
- Gemini 3.5 Flash: 45.7 (#13)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| LMArena Vision | — | 1311 |
| Blueprint-Bench 2 | — | 33.6% |
| LMArena Document | — | 1463 |

## Multilingual

- Gemini 2.0 Pro: —
- Gemini 3.5 Flash: 57.1 (#12)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| LMArena Non-English | — | 1475 |
| LMArena Chinese | — | 1525 |
| LMArena French | — | 1490 |
| LMArena German | — | 1500 |
| LMArena Japanese | — | 1481 |
| LMArena Korean | — | 1453 |
| LMArena Russian | — | 1491 |
| LMArena Spanish | — | 1478 |

## Instruction Following

- Gemini 2.0 Pro: 75.6 (#57)
- Gemini 3.5 Flash: 77.2 (#29)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| LiveBench Instruction Following | 83.4% | — |
| LMArena Instruction Following | — | 1466 |

## Long Context

- Gemini 2.0 Pro: 29.1 (#287)
- Gemini 3.5 Flash: 45.3 (#39)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| Fiction.LiveBench | 41.7% | — |
| LMArena Longer Query | — | 1481 |

## Writing & Preference

- Gemini 2.0 Pro: 52.7 (#164)
- Gemini 3.5 Flash: 65.5 (#46)

| Benchmark | Gemini 2.0 Pro | Gemini 3.5 Flash |
|---|---|---|
| LMArena Text | — | 1481 |
| LMArena Creative Writing | — | 1467 |
| EQ-Bench 4 | — | 1087 |
| LMArena Multi-Turn | — | 1482 |
| LiveBench Language | 44.9% | — |

## FAQ

### Is Gemini 2.0 Pro better than Gemini 3.5 Flash?

Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 38.6 on the Noometry Index.

### Is Gemini 2.0 Pro or Gemini 3.5 Flash better for coding?

Gemini 3.5 Flash scores higher on coding benchmarks: 49.1 versus 37.4 in the Noometry coding category.

### How many benchmarks do Gemini 2.0 Pro and Gemini 3.5 Flash share?

3 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and Gemini 3.5 Flash has 54.
