# DeepSeek Coder 1.3B vs GPT-5 Pro

> GPT-5 Pro has enough public results to be ranked (#64); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/deepseek-coder-1-3b-vs-gpt-5-pro
- Last updated: 2026-10-12
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and GPT-5 Pro in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where GPT-5 Pro leads 44.0 to 31.2.
- DeepSeek Coder 1.3B has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek Coder 1.3B | GPT-5 Pro |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Noometry Index | 35.0 | 46.4 |
| Rank | — | 64 |
| Context | — | 400K |
| Input $/M | — | $15 |
| Output $/M | — | $120 |
| Weights | Open | Proprietary |

## Coding

- DeepSeek Coder 1.3B: 31.2 (#287)
- GPT-5 Pro: 44.0 (#80)

| Benchmark | DeepSeek Coder 1.3B | GPT-5 Pro |
|---|---|---|
| WeirdML | — | 60.4% |
| BigCodeBench Instruct | 22.8% | — |
| BigCodeBench Complete | 29.6% | — |
| AlgoTune | — | 1.31 |
| HumanEval+ | 60.4% | — |
| MBPP+ | 54.8% | — |

## Reasoning

- DeepSeek Coder 1.3B: —
- GPT-5 Pro: 38.9 (#62)

| Benchmark | DeepSeek Coder 1.3B | GPT-5 Pro |
|---|---|---|
| Epoch Capabilities Index | 63.6 | 150.28 |
| ARC-AGI-2 | — | 18.3% |
| SimpleBench | — | 61.6% |
| Kagi LLM Benchmark | — | 76.8% |
| ARC-AGI-1 | — | 70.2% |
| EnigmaEval | — | 18.8% |
| WinoGrande | 53.3% | — |

## Math

- DeepSeek Coder 1.3B: —
- GPT-5 Pro: 48.5 (#63)

| Benchmark | DeepSeek Coder 1.3B | GPT-5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 55.8% |
| FrontierMath Tier 4 | — | 19.5% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
| GSM8K | 4.4% | — |

## Knowledge

- DeepSeek Coder 1.3B: —
- GPT-5 Pro: 56.7 (#42)

| Benchmark | DeepSeek Coder 1.3B | GPT-5 Pro |
|---|---|---|
| Humanity's Last Exam | — | 31.6% |
| ARC (AI2) Challenge | 25.4% | — |
| MMLU | 25.8% | — |

## FAQ

### Is DeepSeek Coder 1.3B better than GPT-5 Pro?

GPT-5 Pro has enough public results to be ranked (#64); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

### Is DeepSeek Coder 1.3B or GPT-5 Pro better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 31.2 in the Noometry coding category.

### How many benchmarks do DeepSeek Coder 1.3B and GPT-5 Pro share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and GPT-5 Pro has 12.