# Claude 2.1 vs Gemini 3.5 Flash Lite

> Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 25.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-gemini-3-5-flash-lite
- Last updated: 2026-10-10
- Shared benchmarks: 5

## Summary

- They share 5 benchmarks with published results for both. Claude 2.1 scores higher in 0 categories and Gemini 3.5 Flash Lite in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.5 Flash Lite leads 50.1 to 15.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.9% for Claude 2.1 and 71.1% for Gemini 3.5 Flash Lite.

## Snapshot

| | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 25.2 | 41.5 |
| Rank | 345 | 133 |
| Context | — | 1.05M |
| Input $/M | — | $0.30 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2.1: 26.2 (#327)
- Gemini 3.5 Flash Lite: 42.4 (#104)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| WeirdML | 7.1% | 39% |
| LMArena WebDev | — | 1440 |
| SciCode | — | 41.3% |
| LMArena Coding | — | 1453 |
| ALE-Bench | — | 765.27 |

## Agentic & Tool Use

- Claude 2.1: —
- Gemini 3.5 Flash Lite: 25.7 (#107)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| APEX-Agents | — | 29.3% |
| GDP.pdf | — | 10% |

## Reasoning

- Claude 2.1: 21.4 (#221)
- Gemini 3.5 Flash Lite: 27.8 (#114)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| DTBench | 51% | 83.5% |
| Epoch Capabilities Index | 119.27 | 145.13 |
| ARC-AGI-2 | — | 10.3% |
| NYT Connections (extended) | — | 60.4% |
| ARC-AGI-1 | — | 53.5% |
| CritPt | — | 0% |
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | — | 1441 |
| Mystery Game Puzzles | — | 19% |
| LMCA | — | 37.6% |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 10.2 (#315)
- Gemini 3.5 Flash Lite: 25.9 (#264)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | 71.1% |
| FrontierMath (Tiers 1-3) | — | 26% |
| FrontierMath Tier 4 | — | 0% |
| ProofBench | — | 13% |
| LMArena Math | — | 1433 |

## Knowledge

- Claude 2.1: 15.4 (#292)
- Gemini 3.5 Flash Lite: 50.1 (#72)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| GPQA Diamond | 33% | 83.3% |
| LMArena Expert | — | 1435 |
| MMLU | 73.5% | — |

## Multimodal

- Claude 2.1: —
- Gemini 3.5 Flash Lite: 41.1 (#40)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Vision | — | 1268 |

## Multilingual

- Claude 2.1: —
- Gemini 3.5 Flash Lite: 53.5 (#63)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Non-English | — | 1427 |
| LMArena Chinese | — | 1469 |
| LMArena French | — | 1451 |
| LMArena German | — | 1454 |
| LMArena Japanese | — | 1427 |
| LMArena Korean | — | 1407 |
| LMArena Russian | — | 1443 |
| LMArena Spanish | — | 1442 |

## Instruction Following

- Claude 2.1: —
- Gemini 3.5 Flash Lite: 74.8 (#85)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Instruction Following | — | 1420 |

## Long Context

- Claude 2.1: —
- Gemini 3.5 Flash Lite: 43.9 (#84)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Longer Query | — | 1435 |

## Writing & Preference

- Claude 2.1: —
- Gemini 3.5 Flash Lite: 64.2 (#57)

| Benchmark | Claude 2.1 | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Text | — | 1435 |
| LMArena Creative Writing | — | 1420 |
| EQ-Bench Creative Writing | — | 1559 |
| LMArena Multi-Turn | — | 1445 |

## FAQ

### Is Claude 2.1 better than Gemini 3.5 Flash Lite?

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 25.2 on the Noometry Index.

### Is Claude 2.1 or Gemini 3.5 Flash Lite better for coding?

Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.4 versus 26.2 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Gemini 3.5 Flash Lite share?

5 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Gemini 3.5 Flash Lite has 39.