# Gemini 1.5 Pro (May 2024) vs Gemini 2.0 Flash (Feb 2025)

> Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 35.1 to 32.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-pro-vs-gemini-2-0-flash
- Last updated: 2026-10-10
- Shared benchmarks: 38

## Summary

- They share 38 benchmarks with published results for both. Gemini 1.5 Pro (May 2024) scores higher in 4 categories and Gemini 2.0 Flash (Feb 2025) in 6 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.0 Flash (Feb 2025) leads 37.9 to 25.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 23.1% for Gemini 1.5 Pro (May 2024) and 57.8% for Gemini 2.0 Flash (Feb 2025).

## Snapshot

| | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 32.1 | 35.1 |
| Rank | 261 | 228 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Pro (May 2024): 34.2 (#241)
- Gemini 2.0 Flash (Feb 2025): 28.4 (#315)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| WeirdML | 22.2% | 25.8% |
| BigCodeBench Instruct | 43.8% | 45.9% |
| LMArena Coding | 1294 | 1350 |
| BigCodeBench Complete | 57.5% | 59.9% |
| CadEval | 34% | 30% |
| SWE-bench Verified (bash only) | — | 13.5% |
| Aider Polyglot | — | 38.2% |
| LiveBench Coding | — | 63.4% |
| HumanEval+ | 79.3% | — |
| MBPP+ | 74.6% | — |

## Agentic & Tool Use

- Gemini 1.5 Pro (May 2024): 17.9 (#145)
- Gemini 2.0 Flash (Feb 2025): 28.1 (#92)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| TheAgentCompany | 3.4% | 11.4% |
| Cybench | 7.5% | — |
| BALROG | 21% | — |

## Reasoning

- Gemini 1.5 Pro (May 2024): 12.3 (#338)
- Gemini 2.0 Flash (Feb 2025): 15.2 (#318)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| ARC-AGI-2 | 0.8% | 1.3% |
| SimpleBench | 27.1% | 31.1% |
| LMArena Hard Prompts | 1296 | 1346 |
| DTBench | 59% | 63.2% |
| Epoch Capabilities Index | 131.73 | 135.36 |
| Kagi LLM Benchmark | — | 37.8% |
| EnigmaEval | — | 1.1% |
| LiveBench Reasoning | — | 78.2% |
| LiveBench Data Analysis | — | 69.4% |
| BIG-Bench Hard | 89.2% | — |
| ForecastBench | 58.4 | — |
| LiveBench | — | 66.9% |

## Math

- Gemini 1.5 Pro (May 2024): 25.8 (#266)
- Gemini 2.0 Flash (Feb 2025): 37.9 (#146)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 23.1% | 57.8% |
| Omni-MATH | 36.4% | 45.9% |
| LMArena Math | 1315 | 1352 |
| MATH Level 5 | 70.4% | 82.2% |
| LiveBench Math | — | 75.8% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Gemini 1.5 Pro (May 2024): 29.4 (#239)
- Gemini 2.0 Flash (Feb 2025): 32.0 (#213)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | 57.2% | 64.1% |
| Humanity's Last Exam | 4.6% | 6.6% |
| MMLU-Pro | 73.7% | 73.7% |
| Confabulations | 13.5% | 12.4% |
| GPQA (HELM) | 53.4% | 55.6% |
| LMArena Expert | 1279 | 1339 |
| MMLU | 86.9% | 79.7% |

## Multimodal

- Gemini 1.5 Pro (May 2024): 36.8 (#77)
- Gemini 2.0 Flash (Feb 2025): 36.5 (#79)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | 1161 | 1158 |
| Video-MME | 75% | — |
| GeoBench | — | 77% |

## Multilingual

- Gemini 1.5 Pro (May 2024): 45.3 (#174)
- Gemini 2.0 Flash (Feb 2025): 47.4 (#149)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | 1312 | 1342 |
| LMArena Chinese | 1331 | 1373 |
| LMArena French | 1302 | 1391 |
| LMArena German | 1286 | 1353 |
| LMArena Japanese | 1292 | 1294 |
| LMArena Korean | 1298 | 1313 |
| LMArena Russian | 1320 | 1351 |
| LMArena Spanish | 1311 | 1363 |

## Instruction Following

- Gemini 1.5 Pro (May 2024): 68.6 (#185)
- Gemini 2.0 Flash (Feb 2025): 74.4 (#97)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| IFEval | 83.7% | 84.1% |
| LMArena Instruction Following | 1297 | 1336 |
| LiveBench Instruction Following | — | 85.8% |

## Long Context

- Gemini 1.5 Pro (May 2024): 39.8 (#169)
- Gemini 2.0 Flash (Feb 2025): 38.1 (#203)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Longer Query | 1308 | 1344 |
| Fiction.LiveBench | — | 61.1% |

## Writing & Preference

- Gemini 1.5 Pro (May 2024): 52.4 (#172)
- Gemini 2.0 Flash (Feb 2025): 49.5 (#190)

| Benchmark | Gemini 1.5 Pro (May 2024) | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | 1319 | 1354 |
| LMArena Creative Writing | 1333 | 1340 |
| WildBench | 81.3% | 80% |
| LMArena Multi-Turn | 1296 | 1350 |
| Short-Story Creative Writing | — | 73.8% |
| EQ-Bench Creative Writing | — | 1128 |
| LiveBench Language | — | 51.3% |

## FAQ

### Is Gemini 1.5 Pro (May 2024) better than Gemini 2.0 Flash (Feb 2025)?

Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 35.1 to 32.1 on the Noometry Index.

### Is Gemini 1.5 Pro (May 2024) or Gemini 2.0 Flash (Feb 2025) better for coding?

Gemini 1.5 Pro (May 2024) scores higher on coding benchmarks: 34.2 versus 28.4 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Pro (May 2024) and Gemini 2.0 Flash (Feb 2025) share?

38 benchmarks have published results for both models. Gemini 1.5 Pro (May 2024) has 45 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.