# DeepSeek-V2.5 (Sep 2024) vs DeepSeek-V3.2-Exp

> DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.9 to 37.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v2-5-vs-deepseek-v3-2-exp
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 1 category and DeepSeek-V3.2-Exp in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where DeepSeek-V3.2-Exp leads 51.6 to 34.2.
- The biggest single-benchmark swing is Aider Polyglot: 17.8% for DeepSeek-V2.5 (Sep 2024) and 74.2% for DeepSeek-V3.2-Exp.

## Snapshot

| | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| Provider | DeepSeek | DeepSeek |
| Noometry Index | 37.0 | 44.9 |
| Rank | 197 | 68 |
| Context | — | 164K |
| Input $/M | — | $0.26 |
| Output $/M | — | $0.38 |
| Weights | Open | Open |

## Coding

- DeepSeek-V2.5 (Sep 2024): 31.3 (#274)
- DeepSeek-V3.2-Exp: 46.4 (#61)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| Aider Polyglot | 17.8% | 74.2% |
| LMArena Coding | 1310 | 1454 |
| SWE-bench Verified (bash only) | — | 70% |
| LMArena WebDev | — | 1362 |
| SWE-bench Multilingual | — | 59% |
| SciCode | — | 38.9% |
| WeirdML | — | 39.5% |
| BigCodeBench Instruct | 48.6% | — |
| BigCodeBench Complete | 53.2% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 74.1% | — |

## Agentic & Tool Use

- DeepSeek-V2.5 (Sep 2024): —
- DeepSeek-V3.2-Exp: 37.9 (#31)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| Terminal-Bench | — | 39.6% |
| Berkeley Function Calling Leaderboard | — | 56.7% |
| TheAgentCompany | — | 42.9% |
| Vending-Bench 2 | — | 1,034 |

## Reasoning

- DeepSeek-V2.5 (Sep 2024): 24.5 (#145)
- DeepSeek-V3.2-Exp: 22.0 (#185)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| LMArena Hard Prompts | 1289 | 1433 |
| ARC-AGI-2 | — | 4% |
| Kagi LLM Benchmark | — | 52.2% |
| NYT Connections (extended) | — | 36.7% |
| ARC-AGI-1 | — | 57% |
| CritPt | — | 2.9% |
| Chess Puzzles | — | 14% |
| Thematic Generalization | — | 65% |
| DTBench | — | 87.7% |
| LMCA | — | 29.1% |
| Epoch Capabilities Index | — | 146.28 |

## Math

- DeepSeek-V2.5 (Sep 2024): 33.3 (#177)
- DeepSeek-V3.2-Exp: 40.8 (#75)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| LMArena Math | 1289 | 1435 |
| MathArena Final-Answer Competitions | — | 57.7% |
| OTIS Mock AIME 2024-2025 | — | 87.8% |
| ProofBench | — | 8% |
| FrontierMath (Feb 2025 set) | — | 22.1% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- DeepSeek-V2.5 (Sep 2024): 34.2 (#190)
- DeepSeek-V3.2-Exp: 51.6 (#61)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| LMArena Expert | 1266 | 1436 |
| GPQA Diamond | — | 83.4% |
| Vectara Hallucination Rate | — | 5.3% |

## Multilingual

- DeepSeek-V2.5 (Sep 2024): 42.7 (#188)
- DeepSeek-V3.2-Exp: 52.4 (#85)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| LMArena Non-English | 1273 | 1409 |
| LMArena Chinese | 1317 | 1461 |
| LMArena French | 1288 | 1435 |
| LMArena German | 1258 | 1440 |
| LMArena Japanese | 1228 | 1377 |
| LMArena Korean | 1209 | 1372 |
| LMArena Russian | 1289 | 1423 |
| LMArena Spanish | 1248 | 1441 |

## Instruction Following

- DeepSeek-V2.5 (Sep 2024): 67.7 (#189)
- DeepSeek-V3.2-Exp: 74.7 (#89)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| LMArena Instruction Following | 1280 | 1413 |

## Long Context

- DeepSeek-V2.5 (Sep 2024): 39.5 (#169)
- DeepSeek-V3.2-Exp: 47.6 (#15)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| LMArena Longer Query | 1301 | 1428 |
| Fiction.LiveBench | — | 83.3% |
| CL-bench | — | 13.2% |
| CL-bench Life | — | 9.5% |

## Writing & Preference

- DeepSeek-V2.5 (Sep 2024): 50.0 (#182)
- DeepSeek-V3.2-Exp: 62.5 (#73)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | DeepSeek-V3.2-Exp |
|---|---|---|
| LMArena Text | 1294 | 1425 |
| LMArena Creative Writing | 1285 | 1403 |
| LMArena Multi-Turn | 1297 | 1427 |
| EQ-Bench Creative Writing | — | 1515 |

## FAQ

### Is DeepSeek-V2.5 (Sep 2024) better than DeepSeek-V3.2-Exp?

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.9 to 37.0 on the Noometry Index.

### Is DeepSeek-V2.5 (Sep 2024) or DeepSeek-V3.2-Exp better for coding?

DeepSeek-V3.2-Exp scores higher on coding benchmarks: 46.4 versus 31.3 in the Noometry coding category.

### How many benchmarks do DeepSeek-V2.5 (Sep 2024) and DeepSeek-V3.2-Exp share?

18 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and DeepSeek-V3.2-Exp has 48.