Model comparison
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.
Last verified . 1 shared benchmarks.
NVIDIASummary
- 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.
Side by side
| GPT-5.4 Pro | StarCoder 2 15B | |
|---|---|---|
| Provider | OpenAI | NVIDIA |
| Noometry Index | 58.9 | 38.1 |
| Released | 2026-03-05 | 2024-02-20 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $30 | — |
| Output $ / M tokens | $180 | — |
| Results tracked | 16 | 7 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5.4 Pro leads
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 Not comparable
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 Not comparable
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 Not comparable
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% |
Frequently asked questions
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.