# GPT-5.4 Pro vs StarCoder 2 15B

> GPT-5.4 Pro has enough public results to be ranked (#18); StarCoder 2 15B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/gpt-5-4-pro-vs-starcoder-2-15b
- Last updated: 2026-10-12
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. GPT-5.4 Pro scores higher in 1 category and StarCoder 2 15B in 0 categories; one gap is clear of the uncertainty.
- The widest gap is in coding, where GPT-5.4 Pro leads 43.2 to 36.6.
- StarCoder 2 15B has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.4 Pro | StarCoder 2 15B |
|---|---|---|
| Provider | OpenAI | NVIDIA |
| Noometry Index | 58.9 | 38.1 |
| Rank | 18 | — |
| Context | 1.05M | — |
| Input $/M | $30 | — |
| Output $/M | $180 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.4 Pro: 43.2 (#90)
- StarCoder 2 15B: 36.6

| Benchmark | GPT-5.4 Pro | StarCoder 2 15B |
|---|---|---|
| WeirdML | 57.4% | — |
| BigCodeBench Complete | — | 38.4% |
| HumanEval+ | — | 37.8% |

## Reasoning

- GPT-5.4 Pro: 70.7 (#13)
- StarCoder 2 15B: —

| Benchmark | GPT-5.4 Pro | StarCoder 2 15B |
|---|---|---|
| Epoch Capabilities Index | 158.93 | 105 |
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 30% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| WinoGrande | — | 64.3% |

## Math

- GPT-5.4 Pro: 72.4 (#22)
- StarCoder 2 15B: —

| Benchmark | GPT-5.4 Pro | StarCoder 2 15B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| FrontierMath (Feb 2025 set) | 50% | — |
| FrontierMath Tier 4 (v1) | 37.5% | — |
| GSM8K | — | 57.7% |

## Knowledge

- GPT-5.4 Pro: 68.3 (#7)
- StarCoder 2 15B: —

| Benchmark | GPT-5.4 Pro | StarCoder 2 15B |
|---|---|---|
| GPQA Diamond | 94.6% | — |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| Vectara Hallucination Rate | 8.3% | — |
| ARC (AI2) Challenge | — | 47.2% |
| MMLU | — | 64.1% |

## FAQ

### Is GPT-5.4 Pro better than StarCoder 2 15B?

GPT-5.4 Pro has enough public results to be ranked (#18); StarCoder 2 15B does not yet, so treat this comparison as directional.

### Is GPT-5.4 Pro or StarCoder 2 15B better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 36.6 in the Noometry coding category.

### How many benchmarks do GPT-5.4 Pro and StarCoder 2 15B share?

1 benchmark has published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and StarCoder 2 15B has 7.