# DeepSeek Coder 1.3B vs Gemini 3.1 Flash Lite

> Gemini 3.1 Flash Lite has enough public results to be ranked (#141); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/deepseek-coder-1-3b-vs-gemini-3-1-flash-lite
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and Gemini 3.1 Flash Lite in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where Gemini 3.1 Flash Lite leads 37.5 to 30.7.
- DeepSeek Coder 1.3B has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| Provider | DeepSeek | Google |
| Noometry Index | 34.5 | 40.4 |
| Rank | — | 141 |
| Context | — | 1.05M |
| Input $/M | — | $0.25 |
| Output $/M | — | $1.50 |
| Weights | Open | Proprietary |

## Coding

- DeepSeek Coder 1.3B: 30.7 (#282)
- Gemini 3.1 Flash Lite: 37.5 (#179)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena WebDev | — | 1256 |
| SciCode | — | 41.9% |
| WeirdML | — | 52.2% |
| BigCodeBench Instruct | 22.8% | — |
| LMArena Coding | — | 1400 |
| BigCodeBench Complete | 29.6% | — |
| ALE-Bench | — | 797.73 |
| HumanEval+ | 60.4% | — |
| MBPP+ | 54.8% | — |

## Agentic & Tool Use

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 29.9 (#72)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| DeepResearch Bench | — | 37.3% |

## Reasoning

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 22.3 (#181)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| Epoch Capabilities Index | 62.18 | 144.45 |
| Kagi LLM Benchmark | — | 67.2% |
| NYT Connections (extended) | — | 8.2% |
| CritPt | — | 1.1% |
| Chess Puzzles | — | 25% |
| EnigmaEval | — | 3% |
| Thematic Generalization | — | 63.3% |
| LMArena Hard Prompts | — | 1407 |
| DTBench | — | 76.8% |
| LMCA | — | 35% |
| ForecastBench | — | 54.4 |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 39.5 (#82)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 27.7% |
| OTIS Mock AIME 2024-2025 | — | 80% |
| LMArena Math | — | 1427 |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 41.7 (#95)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| GPQA Diamond | — | 81.8% |
| Humanity's Last Exam | — | 8.6% |
| Vectara Hallucination Rate | — | 8.2% |
| LMArena Expert | — | 1397 |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## Multimodal

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 38.7 (#57)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Vision | — | 1240 |

## Multilingual

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 52.5 (#82)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Non-English | — | 1410 |
| LMArena Chinese | — | 1461 |
| LMArena French | — | 1423 |
| LMArena German | — | 1429 |
| LMArena Japanese | — | 1411 |
| LMArena Korean | — | 1393 |
| LMArena Russian | — | 1420 |
| LMArena Spanish | — | 1420 |

## Instruction Following

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 72.9 (#126)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Instruction Following | — | 1376 |

## Long Context

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 42.5 (#117)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Longer Query | — | 1394 |

## Writing & Preference

- DeepSeek Coder 1.3B: —
- Gemini 3.1 Flash Lite: 61.0 (#90)

| Benchmark | DeepSeek Coder 1.3B | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Text | — | 1416 |
| LMArena Creative Writing | — | 1401 |
| LMArena Multi-Turn | — | 1417 |

## FAQ

### Is DeepSeek Coder 1.3B better than Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite has enough public results to be ranked (#141); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or Gemini 3.1 Flash Lite better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.5 versus 30.7 in the Noometry coding category.

### How many benchmarks do DeepSeek Coder 1.3B and Gemini 3.1 Flash Lite share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and Gemini 3.1 Flash Lite has 38.