# Gemini 1.0 Pro vs Gemini 2.5 Flash-Lite

> Gemini 2.5 Flash-Lite is the stronger model overall, scoring 36.4 to 27.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-0-pro-vs-gemini-2-5-flash-lite
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Gemini 1.0 Pro scores higher in 1 category and Gemini 2.5 Flash-Lite in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.5 Flash-Lite leads 35.5 to 8.7.
- The biggest single-benchmark swing is DTBench: 45.9% for Gemini 1.0 Pro and 62.8% for Gemini 2.5 Flash-Lite.

## Snapshot

| | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 27.1 | 36.4 |
| Rank | 327 | 208 |
| Context | — | 1.05M |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.0 Pro: 31.6 (#270)
- Gemini 2.5 Flash-Lite: 38.0 (#167)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Coding | 1108 | 1373 |
| WeirdML | — | 35.2% |
| ALE-Bench | — | 325.9 |
| HumanEval+ | 55.5% | — |
| MBPP+ | 61.4% | — |

## Agentic & Tool Use

- Gemini 1.0 Pro: —
- Gemini 2.5 Flash-Lite: 27.8 (#89)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 36.9% |

## Reasoning

- Gemini 1.0 Pro: 16.4 (#292)
- Gemini 2.5 Flash-Lite: 21.5 (#196)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Hard Prompts | 1109 | 1377 |
| DTBench | 45.9% | 62.8% |
| Epoch Capabilities Index | 116.97 | 133.93 |
| Kagi LLM Benchmark | — | 40.5% |
| LMCA | — | 18.1% |

## Math

- Gemini 1.0 Pro: 8.7 (#315)
- Gemini 2.5 Flash-Lite: 35.5 (#144)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Math | 1132 | 1373 |
| OTIS Mock AIME 2024-2025 | 1.1% | — |
| Omni-MATH | — | 48% |
| MATH Level 5 | 11.2% | — |

## Knowledge

- Gemini 1.0 Pro: 15.5 (#286)
- Gemini 2.5 Flash-Lite: 32.1 (#206)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Expert | 1059 | 1373 |
| GPQA Diamond | 34% | — |
| MMLU-Pro | — | 53.7% |
| Vectara Hallucination Rate | — | 3.3% |
| GPQA (HELM) | — | 30.9% |
| MMLU | 70% | — |

## Multimodal

- Gemini 1.0 Pro: —
- Gemini 2.5 Flash-Lite: 28.6 (#109)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Vision | — | 1198 |
| VPCT | — | 30% |

## Multilingual

- Gemini 1.0 Pro: 33.5 (#247)
- Gemini 2.5 Flash-Lite: 49.5 (#129)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Non-English | 1138 | 1369 |
| LMArena Chinese | 1124 | 1404 |
| LMArena French | 1144 | 1388 |
| LMArena German | 1125 | 1390 |
| LMArena Japanese | 1023 | 1359 |
| LMArena Russian | 1186 | 1373 |
| LMArena Spanish | 1118 | 1396 |
| LMArena Korean | — | 1358 |

## Instruction Following

- Gemini 1.0 Pro: 57.9 (#262)
- Gemini 2.5 Flash-Lite: 70.2 (#163)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Instruction Following | 1114 | 1366 |
| IFEval | — | 81% |

## Long Context

- Gemini 1.0 Pro: 34.3 (#244)
- Gemini 2.5 Flash-Lite: 33.3 (#257)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Longer Query | 1132 | 1373 |
| Fiction.LiveBench | — | 47.2% |

## Writing & Preference

- Gemini 1.0 Pro: 36.2 (#259)
- Gemini 2.5 Flash-Lite: 57.0 (#130)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Text | 1149 | 1379 |
| LMArena Creative Writing | 1130 | 1366 |
| LMArena Multi-Turn | 1139 | 1367 |
| WildBench | — | 81.8% |

## FAQ

### Is Gemini 1.0 Pro better than Gemini 2.5 Flash-Lite?

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 36.4 to 27.1 on the Noometry Index.

### Is Gemini 1.0 Pro or Gemini 2.5 Flash-Lite better for coding?

Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.0 versus 31.6 in the Noometry coding category.

### How many benchmarks do Gemini 1.0 Pro and Gemini 2.5 Flash-Lite share?

18 benchmarks have published results for both models. Gemini 1.0 Pro has 24 scored results on Noometry and Gemini 2.5 Flash-Lite has 33.