Model comparison
GPT-4.1 mini vs StarCoder 2 15B
GPT-4.1 mini has enough public results to be ranked (#232); StarCoder 2 15B does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. GPT-4.1 mini scores higher in 0 categories and StarCoder 2 15B in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where StarCoder 2 15B leads 36.0 to 30.4.
- StarCoder 2 15B has downloadable open weights; the other is API-only.
Side by side
| GPT-4.1 mini | StarCoder 2 15B | |
|---|---|---|
| Provider | OpenAI | NVIDIA |
| Noometry Index | 33.5 | 37.5 |
| Released | 2025-04-14 | 2024-02-20 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 33K | — |
| Input $ / M tokens | $0.40 | — |
| Output $ / M tokens | $1.60 | — |
| Results tracked | 47 | 7 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding StarCoder 2 15B leads
GPT-4.1 mini: 30.4 (#286), StarCoder 2 15B: 36.0
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| SWE-bench Verified (bash only) | 23.9% | — |
| Aider Polyglot | 32.4% | — |
| SciCode | 40.4% | — |
| WeirdML | 37.6% | — |
| BigCodeBench Instruct | 48.9% | — |
| LMArena Coding | 1367 | — |
| BigCodeBench Complete | — | 38.4% |
| CadEval | 16% | — |
| HumanEval+ | — | 37.8% |
Agentic & Tool Use Not comparable
GPT-4.1 mini: 33.0 (#52), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 50.5% | — |
Reasoning Not comparable
GPT-4.1 mini: 10.9 (#335), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| Epoch Capabilities Index | 135.01 | 104.61 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 48.6% | — |
| ARC-AGI-1 | 3.5% | — |
| CritPt | 0% | — |
| Chess Puzzles | 7% | — |
| LMArena Hard Prompts | 1349 | — |
| Mystery Game Puzzles | 7% | — |
| DTBench | 68.8% | — |
| LMCA | 21.1% | — |
| WinoGrande | — | 64.3% |
Math Not comparable
GPT-4.1 mini: 23.1 (#264), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 6.7% | — |
| OTIS Mock AIME 2024-2025 | 44.7% | — |
| Omni-MATH | 49.1% | — |
| LMArena Math | 1343 | — |
| MATH Level 5 | 87.3% | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |
| GSM8K | — | 57.7% |
Knowledge Not comparable
GPT-4.1 mini: 34.7 (#183), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| GPQA Diamond | 65.8% | — |
| SimpleQA Verified | 12.7% | — |
| MMLU-Pro | 78.3% | — |
| GPQA (HELM) | 61.4% | — |
| LMArena Expert | 1338 | — |
| ARC (AI2) Challenge | — | 47.2% |
| MMLU | — | 64.1% |
Multimodal Not comparable
GPT-4.1 mini: 35.2 (#77), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| LMArena Vision | 1181 | — |
Multilingual Not comparable
GPT-4.1 mini: 45.9 (#161), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| LMArena Non-English | 1318 | — |
| LMArena Chinese | 1329 | — |
| LMArena French | 1357 | — |
| LMArena German | 1349 | — |
| LMArena Japanese | 1291 | — |
| LMArena Korean | 1298 | — |
| LMArena Russian | 1324 | — |
| LMArena Spanish | 1319 | — |
Instruction Following Not comparable
GPT-4.1 mini: 73.9 (#113), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| IFEval | 90.4% | — |
| LMArena Instruction Following | 1332 | — |
Long Context Not comparable
GPT-4.1 mini: 31.8 (#270), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| Fiction.LiveBench | 44.4% | — |
| LMArena Longer Query | 1344 | — |
Writing & Preference Not comparable
GPT-4.1 mini: 48.8 (#193), StarCoder 2 15B: —
| Benchmark | GPT-4.1 mini | StarCoder 2 15B |
|---|---|---|
| LMArena Text | 1341 | — |
| LMArena Creative Writing | 1300 | — |
| EQ-Bench Creative Writing | 1147 | — |
| WildBench | 83.8% | — |
| LMArena Multi-Turn | 1354 | — |
Frequently asked questions
Is GPT-4.1 mini better than StarCoder 2 15B?
GPT-4.1 mini has enough public results to be ranked (#232); StarCoder 2 15B does not yet, so treat this comparison as directional.
Is GPT-4.1 mini or StarCoder 2 15B better for coding?
StarCoder 2 15B scores higher on coding benchmarks: 36.0 versus 30.4 in the Noometry coding category.
How many benchmarks do GPT-4.1 mini and StarCoder 2 15B share?
1 benchmark has published results for both models. GPT-4.1 mini has 47 scored results on Noometry and StarCoder 2 15B has 7.