# DeepSeek Coder 1.3B vs Qwen3.5-9B

> Qwen3.5-9B has enough public results to be ranked (#236); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/deepseek-coder-1-3b-vs-qwen3-5-9b
- Last updated: 2026-10-11
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and Qwen3.5-9B in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where Qwen3.5-9B leads 35.9 to 31.2.

## Snapshot

| | DeepSeek Coder 1.3B | Qwen3.5-9B |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 35.0 | 33.8 |
| Rank | — | 236 |
| Context | — | 262K |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.15 |
| Weights | Open | Open |

## Coding

- DeepSeek Coder 1.3B: 31.2 (#287)
- Qwen3.5-9B: 35.9 (#217)

| Benchmark | DeepSeek Coder 1.3B | Qwen3.5-9B |
|---|---|---|
| SciCode | — | 27.5% |
| BigCodeBench Instruct | 22.8% | — |
| BigCodeBench Complete | 29.6% | — |
| HumanEval+ | 60.4% | — |
| MBPP+ | 54.8% | — |

## Agentic & Tool Use

- DeepSeek Coder 1.3B: —
- Qwen3.5-9B: 14.5 (#151)

| Benchmark | DeepSeek Coder 1.3B | Qwen3.5-9B |
|---|---|---|
| Terminal-Bench | — | 9.2% |

## Reasoning

- DeepSeek Coder 1.3B: —
- Qwen3.5-9B: 23.1 (#182)

| Benchmark | DeepSeek Coder 1.3B | Qwen3.5-9B |
|---|---|---|
| Epoch Capabilities Index | 63.6 | 139.46 |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 12% |
| DTBench | — | 71.2% |
| LMCA | — | 24.5% |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- Qwen3.5-9B: 34.8 (#192)

| Benchmark | DeepSeek Coder 1.3B | Qwen3.5-9B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 48.5% |
| OTIS Mock AIME 2024-2025 | — | 61.7% |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- Qwen3.5-9B: 46.0 (#84)

| Benchmark | DeepSeek Coder 1.3B | Qwen3.5-9B |
|---|---|---|
| GPQA Diamond | — | 79% |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## FAQ

### Is DeepSeek Coder 1.3B better than Qwen3.5-9B?

Qwen3.5-9B has enough public results to be ranked (#236); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or Qwen3.5-9B better for coding?

Qwen3.5-9B scores higher on coding benchmarks: 35.9 versus 31.2 in the Noometry coding category.

### How many benchmarks do DeepSeek Coder 1.3B and Qwen3.5-9B share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and Qwen3.5-9B has 10.