# DeepSeek V4 Flash vs Gemini 1.5 Flash 8B

> DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v4-flash-vs-gemini-1-5-flash-8b
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 8 categories and Gemini 1.5 Flash 8B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where DeepSeek V4 Flash leads 60.0 to 13.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 94.4% for DeepSeek V4 Flash and 4.6% for Gemini 1.5 Flash 8B.
- DeepSeek V4 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| Provider | DeepSeek | Google |
| Noometry Index | 53.6 | 29.7 |
| Rank | 32 | 292 |
| Context | 1M | — |
| Input $/M | $0.15 | — |
| Output $/M | $0.60 | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek V4 Flash: 47.6 (#56)
- Gemini 1.5 Flash 8B: 34.9 (#221)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Coding | 1457 | 1218 |
| FrontierCode | 18.8% | — |
| LMArena WebDev | 1581 | — |
| SciCode | 49.9% | — |
| WeirdML | 63% | — |
| ALE-Bench | 1,306 | — |

## Reasoning

- DeepSeek V4 Flash: 53.7 (#25)
- Gemini 1.5 Flash 8B: 19.2 (#242)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1210 |
| DTBench | 90.9% | 50% |
| ARC-AGI-2 | 61.4% | — |
| SimpleBench | 61.1% | — |
| Kagi LLM Benchmark | 52.2% | — |
| NYT Connections (extended) | 89.6% | — |
| ARC-AGI-1 | 89% | — |
| CritPt | 16.6% | — |
| Chess Puzzles | 33% | — |
| Mystery Game Puzzles | 34% | — |
| LMCA | 41.7% | — |
| Epoch Capabilities Index | 154.51 | — |

## Math

- DeepSeek V4 Flash: 60.0 (#31)
- Gemini 1.5 Flash 8B: 13.3 (#296)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 94.4% | 4.6% |
| LMArena Math | 1427 | 1207 |
| FrontierMath (Tiers 1-3) | 57.5% | — |
| FrontierMath Tier 4 | 24.4% | — |
| MathArena Final-Answer Competitions | 76.5% | — |
| ProofBench | 56% | — |

## Knowledge

- DeepSeek V4 Flash: 55.5 (#43)
- Gemini 1.5 Flash 8B: 16.0 (#285)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| GPQA Diamond | 91% | 33% |
| LMArena Expert | 1441 | 1185 |
| SimpleQA Verified | 33.6% | — |

## Multimodal

- DeepSeek V4 Flash: —
- Gemini 1.5 Flash 8B: 27.6 (#110)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Vision | — | 1044 |

## Multilingual

- DeepSeek V4 Flash: 53.2 (#71)
- Gemini 1.5 Flash 8B: 38.6 (#224)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Non-English | 1420 | 1215 |
| LMArena Chinese | 1467 | 1231 |
| LMArena French | 1438 | 1233 |
| LMArena German | 1418 | 1206 |
| LMArena Japanese | 1403 | 1150 |
| LMArena Korean | 1383 | 1140 |
| LMArena Russian | 1428 | 1236 |
| LMArena Spanish | 1437 | 1212 |

## Instruction Following

- DeepSeek V4 Flash: 75.1 (#76)
- Gemini 1.5 Flash 8B: 63.1 (#231)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Instruction Following | 1421 | 1199 |

## Long Context

- DeepSeek V4 Flash: 43.8 (#81)
- Gemini 1.5 Flash 8B: 36.9 (#220)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Longer Query | 1435 | 1219 |

## Writing & Preference

- DeepSeek V4 Flash: 64.0 (#59)
- Gemini 1.5 Flash 8B: 43.0 (#227)

| Benchmark | DeepSeek V4 Flash | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Text | 1432 | 1226 |
| LMArena Creative Writing | 1403 | 1218 |
| LMArena Multi-Turn | 1449 | 1185 |
| EQ-Bench Creative Writing | 1559 | — |

## FAQ

### Is DeepSeek V4 Flash better than Gemini 1.5 Flash 8B?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 29.7 on the Noometry Index.

### Is DeepSeek V4 Flash or Gemini 1.5 Flash 8B better for coding?

DeepSeek V4 Flash scores higher on coding benchmarks: 47.6 versus 34.9 in the Noometry coding category.

### How many benchmarks do DeepSeek V4 Flash and Gemini 1.5 Flash 8B share?

20 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Gemini 1.5 Flash 8B has 21.