# Claude 2.1 vs Gemini 1.5 Flash (May 2024)

> Gemini 1.5 Flash (May 2024) is the stronger model overall, scoring 32.9 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-gemini-1-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 7

## Summary

- They share 7 benchmarks with published results for both. Claude 2.1 scores higher in 0 categories and Gemini 1.5 Flash (May 2024) in 4 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 1.5 Flash (May 2024) leads 20.8 to 9.6.
- The biggest single-benchmark swing is WeirdML: 7.1% for Claude 2.1 and 24.9% for Gemini 1.5 Flash (May 2024).

## Snapshot

| | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 24.9 | 32.9 |
| Rank | 340 | 240 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2.1: 25.8 (#322)
- Gemini 1.5 Flash (May 2024): 33.9 (#233)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| WeirdML | 7.1% | 24.9% |
| BigCodeBench Instruct | — | 43.5% |
| LMArena Coding | — | 1262 |
| BigCodeBench Complete | — | 55.1% |
| HumanEval+ | — | 75.6% |
| MBPP+ | — | 67.5% |

## Agentic & Tool Use

- Claude 2.1: —
- Gemini 1.5 Flash (May 2024): 26.3 (#97)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| BALROG | — | 14.6% |

## Reasoning

- Claude 2.1: 20.6 (#216)
- Gemini 1.5 Flash (May 2024): 20.8 (#212)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| DTBench | 51% | 53.8% |
| Epoch Capabilities Index | 119.22 | 129.37 |
| ForecastBench | 54.2 | 53.9 |
| LMArena Hard Prompts | — | 1257 |
| PIQA | — | 87.5% |

## Math

- Claude 2.1: 9.6 (#309)
- Gemini 1.5 Flash (May 2024): 20.8 (#274)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | 16.3% |
| Omni-MATH | — | 30.4% |
| LMArena Math | — | 1269 |
| MATH Level 5 | — | 61.9% |
| FrontierMath (Feb 2025 set) | — | 0% |
| GSM8K | — | 82.4% |

## Knowledge

- Claude 2.1: 15.5 (#287)
- Gemini 1.5 Flash (May 2024): 26.2 (#253)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| GPQA Diamond | 33% | 47.3% |
| MMLU | 73.5% | 77.9% |
| MMLU-Pro | — | 67.8% |
| GPQA (HELM) | — | 43.7% |
| LMArena Expert | — | 1233 |
| BoolQ | — | 85.8% |

## Multimodal

- Claude 2.1: —
- Gemini 1.5 Flash (May 2024): 35.3 (#76)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Vision | — | 1141 |
| Video-MME | — | 70.3% |
| GeoBench | — | 76% |

## Multilingual

- Claude 2.1: —
- Gemini 1.5 Flash (May 2024): 43.1 (#184)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Non-English | — | 1278 |
| LMArena Chinese | — | 1295 |
| LMArena French | — | 1257 |
| LMArena German | — | 1262 |
| LMArena Japanese | — | 1252 |
| LMArena Korean | — | 1220 |
| LMArena Russian | — | 1288 |
| LMArena Spanish | — | 1242 |

## Instruction Following

- Claude 2.1: —
- Gemini 1.5 Flash (May 2024): 67.0 (#199)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| IFEval | — | 83.1% |
| LMArena Instruction Following | — | 1258 |

## Long Context

- Claude 2.1: —
- Gemini 1.5 Flash (May 2024): 39.0 (#182)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Longer Query | — | 1284 |

## Writing & Preference

- Claude 2.1: —
- Gemini 1.5 Flash (May 2024): 48.9 (#190)

| Benchmark | Claude 2.1 | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Text | — | 1287 |
| LMArena Creative Writing | — | 1285 |
| WildBench | — | 79.2% |
| LMArena Multi-Turn | — | 1253 |

## FAQ

### Is Claude 2.1 better than Gemini 1.5 Flash (May 2024)?

Gemini 1.5 Flash (May 2024) is the stronger model overall, scoring 32.9 to 24.9 on the Noometry Index.

### Is Claude 2.1 or Gemini 1.5 Flash (May 2024) better for coding?

Gemini 1.5 Flash (May 2024) scores higher on coding benchmarks: 33.9 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Gemini 1.5 Flash (May 2024) share?

7 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Gemini 1.5 Flash (May 2024) has 42.