# Claude 2 vs DeepSeek-V2.5 (Sep 2024)

> DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.6 to 25.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-vs-deepseek-v2-5
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Claude 2 scores higher in 0 categories and DeepSeek-V2.5 (Sep 2024) in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where DeepSeek-V2.5 (Sep 2024) leads 35.9 to 9.3.
- DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Noometry Index | 25.0 | 37.6 |
| Rank | 346 | 200 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2: —
- DeepSeek-V2.5 (Sep 2024): 31.7 (#281)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| HumanEval+ | 61.6% | 83.5% |
| Aider Polyglot | — | 17.8% |
| BigCodeBench Instruct | — | 48.6% |
| LMArena Coding | — | 1309 |
| BigCodeBench Complete | — | 53.2% |
| MBPP+ | — | 74.1% |

## Reasoning

- Claude 2: 21.7 (#216)
- DeepSeek-V2.5 (Sep 2024): 25.6 (#145)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Hard Prompts | — | 1289 |
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.13 | — |

## Math

- Claude 2: 9.3 (#320)
- DeepSeek-V2.5 (Sep 2024): 35.9 (#177)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LMArena Math | — | 1288 |
| MATH Level 5 | 11.7% | — |

## Knowledge

- Claude 2: 16.9 (#287)
- DeepSeek-V2.5 (Sep 2024): 34.8 (#193)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| LMArena Expert | — | 1266 |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |

## Multilingual

- Claude 2: —
- DeepSeek-V2.5 (Sep 2024): 42.5 (#193)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Non-English | — | 1273 |
| LMArena Chinese | — | 1318 |
| LMArena French | — | 1289 |
| LMArena German | — | 1258 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1209 |
| LMArena Russian | — | 1289 |
| LMArena Spanish | — | 1248 |

## Instruction Following

- Claude 2: —
- DeepSeek-V2.5 (Sep 2024): 67.5 (#194)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Instruction Following | — | 1280 |

## Long Context

- Claude 2: —
- DeepSeek-V2.5 (Sep 2024): 39.5 (#174)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Longer Query | — | 1301 |

## Writing & Preference

- Claude 2: —
- DeepSeek-V2.5 (Sep 2024): 49.8 (#187)

| Benchmark | Claude 2 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Text | — | 1294 |
| LMArena Creative Writing | — | 1285 |
| LMArena Multi-Turn | — | 1297 |

## FAQ

### Is Claude 2 better than DeepSeek-V2.5 (Sep 2024)?

DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.6 to 25.0 on the Noometry Index.

### How many benchmarks do Claude 2 and DeepSeek-V2.5 (Sep 2024) share?

1 benchmark has published results for both models. Claude 2 has 8 scored results on Noometry and DeepSeek-V2.5 (Sep 2024) has 22.