# Claude 3 Opus vs Gemini 3.1 Flash Lite

> Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-gemini-3-1-flash-lite
- Last updated: 2026-10-10
- Shared benchmarks: 27

## Summary

- They share 27 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Gemini 3.1 Flash Lite in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 3.1 Flash Lite leads 39.5 to 13.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 80% for Gemini 3.1 Flash Lite.

## Snapshot

| | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 29.3 | 40.4 |
| Rank | 300 | 141 |
| Context | — | 1.05M |
| Input $/M | — | $0.25 |
| Output $/M | — | $1.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Opus: 32.4 (#261)
- Gemini 3.1 Flash Lite: 37.5 (#179)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| WeirdML | 19.2% | 52.2% |
| LMArena Coding | 1264 | 1400 |
| LMArena WebDev | — | 1256 |
| SciCode | — | 41.9% |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| ALE-Bench | — | 797.73 |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- Claude 3 Opus: 24.3 (#110)
- Gemini 3.1 Flash Lite: 29.9 (#72)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| Cybench | 10% | — |
| DeepResearch Bench | — | 37.3% |
| METR Time Horizons | 29.5% | — |

## Reasoning

- Claude 3 Opus: 14.2 (#318)
- Gemini 3.1 Flash Lite: 22.3 (#181)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| Chess Puzzles | 5% | 25% |
| EnigmaEval | 0.8% | 3% |
| LMArena Hard Prompts | 1246 | 1407 |
| DTBench | 61.6% | 76.8% |
| LMCA | 17% | 35% |
| Epoch Capabilities Index | 126.91 | 144.45 |
| ForecastBench | 58.4 | 54.4 |
| SimpleBench | 23.5% | — |
| Kagi LLM Benchmark | — | 67.2% |
| NYT Connections (extended) | — | 8.2% |
| CritPt | — | 1.1% |
| Thematic Generalization | — | 63.3% |
| LiveBench Reasoning | 40.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |

## Math

- Claude 3 Opus: 13.9 (#293)
- Gemini 3.1 Flash Lite: 39.5 (#82)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 80% |
| LMArena Math | 1273 | 1427 |
| FrontierMath (Tiers 1-3) | — | 27.7% |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |

## Knowledge

- Claude 3 Opus: 24.5 (#262)
- Gemini 3.1 Flash Lite: 41.7 (#95)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| GPQA Diamond | 47.2% | 81.8% |
| LMArena Expert | 1223 | 1397 |
| Humanity's Last Exam | — | 8.6% |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| Vectara Hallucination Rate | — | 8.2% |
| MMLU | 84.6% | — |

## Multimodal

- Claude 3 Opus: 26.6 (#112)
- Gemini 3.1 Flash Lite: 38.7 (#57)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Vision | 1023 | 1240 |

## Multilingual

- Claude 3 Opus: 41.6 (#202)
- Gemini 3.1 Flash Lite: 52.5 (#82)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Non-English | 1258 | 1410 |
| LMArena Chinese | 1248 | 1461 |
| LMArena French | 1274 | 1423 |
| LMArena German | 1258 | 1429 |
| LMArena Japanese | 1204 | 1411 |
| LMArena Korean | 1187 | 1393 |
| LMArena Russian | 1280 | 1420 |
| LMArena Spanish | 1246 | 1420 |

## Instruction Following

- Claude 3 Opus: 64.3 (#223)
- Gemini 3.1 Flash Lite: 72.9 (#126)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1248 | 1376 |
| LiveBench Instruction Following | 63.9% | — |

## Long Context

- Claude 3 Opus: 38.2 (#197)
- Gemini 3.1 Flash Lite: 42.5 (#117)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1259 | 1394 |

## Writing & Preference

- Claude 3 Opus: 47.4 (#208)
- Gemini 3.1 Flash Lite: 61.0 (#90)

| Benchmark | Claude 3 Opus | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Text | 1262 | 1416 |
| LMArena Creative Writing | 1235 | 1401 |
| LMArena Multi-Turn | 1275 | 1417 |
| LiveBench Language | 50.4% | — |

## FAQ

### Is Claude 3 Opus better than Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 29.3 on the Noometry Index.

### Is Claude 3 Opus or Gemini 3.1 Flash Lite better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.5 versus 32.4 in the Noometry coding category.

### How many benchmarks do Claude 3 Opus and Gemini 3.1 Flash Lite share?

27 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Gemini 3.1 Flash Lite has 38.