# Gemini 1.0 Pro vs Gemini 2.5 Pro

> Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 27.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-0-pro-vs-gemini-2-5-pro
- Last updated: 2026-10-12
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Gemini 1.0 Pro scores higher in 0 categories and Gemini 2.5 Pro in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 2.5 Pro leads 56.0 to 15.6.
- The biggest single-benchmark swing is MATH Level 5: 11.2% for Gemini 1.0 Pro and 95.9% for Gemini 2.5 Pro.

## Snapshot

| | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 27.3 | 45.0 |
| Rank | 332 | 75 |
| Context | — | 1.05M |
| Input $/M | — | $1.25 |
| Output $/M | — | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.0 Pro: 32.2 (#275)
- Gemini 2.5 Pro: 42.4 (#101)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| LMArena Coding | 1108 | 1452 |
| SWE-bench Verified | — | 57.6% |
| SWE-bench Verified (bash only) | — | 53.6% |
| Aider Polyglot | — | 83.1% |
| LMArena WebDev | — | 1227 |
| SciCode | — | 42.8% |
| GSO | — | 3.9% |
| WeirdML | — | 54% |
| LiveBench Coding | — | 85.9% |
| CadEval | — | 64% |
| ALE-Bench | — | 785.52 |
| AlgoTune | — | 1.51 |
| HumanEval+ | 55.5% | — |
| MBPP+ | 61.4% | — |

## Agentic & Tool Use

- Gemini 1.0 Pro: —
- Gemini 2.5 Pro: 29.2 (#88)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| Terminal-Bench | — | 32.6% |
| GDPval | — | 23.3% |
| Remote Labor Index | — | 0.8% |
| TheAgentCompany | — | 30.3% |
| τ²-bench Banking | — | 13.7% |
| DeepResearch Bench | — | 42.8% |
| BALROG | — | 43.3% |
| LMArena Search | — | 1142 |
| METR Time Horizons | — | 55.4% |
| Vending-Bench 2 | — | 573.64 |

## Reasoning

- Gemini 1.0 Pro: 17.1 (#296)
- Gemini 2.5 Pro: 28.8 (#99)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| LMArena Hard Prompts | 1109 | 1455 |
| DTBench | 45.9% | 82.4% |
| Epoch Capabilities Index | 117.04 | 145.32 |
| ARC-AGI-2 | — | 4.9% |
| SimpleBench | — | 62.4% |
| Kagi LLM Benchmark | — | 70.3% |
| ARC-AGI-1 | — | 41% |
| CritPt | — | 2% |
| Chess Puzzles | — | 20% |
| EnigmaEval | — | 5.6% |
| LiveBench Reasoning | — | 89.8% |
| LiveBench Data Analysis | — | 79.9% |
| LMCA | — | 34.8% |
| ForecastBench | — | 61.3 |
| LiveBench | — | 82.3% |

## Math

- Gemini 1.0 Pro: 9.3 (#321)
- Gemini 2.5 Pro: 32.5 (#213)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 84.7% |
| LMArena Math | 1132 | 1450 |
| MATH Level 5 | 11.2% | 95.9% |
| FrontierMath (Tiers 1-3) | — | 24.6% |
| FrontierMath Tier 4 | — | 0% |
| Omni-MATH | — | 41.6% |
| LiveBench Math | — | 90.2% |
| FrontierMath (Feb 2025 set) | — | 14.1% |
| FrontierMath Tier 4 (v1) | — | 4.2% |

## Knowledge

- Gemini 1.0 Pro: 15.6 (#291)
- Gemini 2.5 Pro: 56.0 (#46)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| GPQA Diamond | 34% | 85.3% |
| LMArena Expert | 1059 | 1452 |
| Humanity's Last Exam | — | 21.6% |
| MMLU-Pro | — | 86.3% |
| Confabulations | — | 10.6% |
| Vectara Hallucination Rate | — | 7% |
| GPQA (HELM) | — | 74.9% |
| MMLU | 70% | — |

## Multimodal

- Gemini 1.0 Pro: —
- Gemini 2.5 Pro: 45.2 (#18)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| LMArena Vision | — | 1263 |
| GeoBench | — | 86% |
| VPCT | — | 48% |
| LMArena Document | — | 1421 |
| SpatialViz-Bench | — | 44.7% |

## Multilingual

- Gemini 1.0 Pro: 33.4 (#252)
- Gemini 2.5 Pro: 55.3 (#31)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| LMArena Non-English | 1138 | 1451 |
| LMArena Chinese | 1124 | 1507 |
| LMArena French | 1145 | 1472 |
| LMArena German | 1125 | 1487 |
| LMArena Japanese | 1023 | 1461 |
| LMArena Russian | 1186 | 1461 |
| LMArena Spanish | 1119 | 1473 |
| LMArena Korean | — | 1434 |

## Instruction Following

- Gemini 1.0 Pro: 57.6 (#267)
- Gemini 2.5 Pro: 75.0 (#75)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| LMArena Instruction Following | 1114 | 1437 |
| LiveBench Instruction Following | — | 80.6% |
| IFEval | — | 84% |

## Long Context

- Gemini 1.0 Pro: 34.3 (#249)
- Gemini 2.5 Pro: 59.8 (#5)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| LMArena Longer Query | 1132 | 1449 |
| Fiction.LiveBench | — | 91.7% |

## Writing & Preference

- Gemini 1.0 Pro: 36.0 (#264)
- Gemini 2.5 Pro: 63.7 (#62)

| Benchmark | Gemini 1.0 Pro | Gemini 2.5 Pro |
|---|---|---|
| LMArena Text | 1149 | 1458 |
| LMArena Creative Writing | 1131 | 1454 |
| LMArena Multi-Turn | 1139 | 1453 |
| Short-Story Creative Writing | — | 83.8% |
| EQ-Bench Creative Writing | — | 1421 |
| WildBench | — | 85.7% |
| LiveBench Language | — | 67.8% |

## FAQ

### Is Gemini 1.0 Pro better than Gemini 2.5 Pro?

Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 27.3 on the Noometry Index.

### Is Gemini 1.0 Pro or Gemini 2.5 Pro better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.4 versus 32.2 in the Noometry coding category.

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

21 benchmarks have published results for both models. Gemini 1.0 Pro has 24 scored results on Noometry and Gemini 2.5 Pro has 78.