Model comparison
Claude 3 Sonnet vs StarCoder 2 15B
Claude 3 Sonnet has enough public results to be ranked (#319); StarCoder 2 15B does not yet, so treat this comparison as directional.
Last verified . 5 shared benchmarks.
NVIDIASummary
- They share 5 benchmarks with published results for both. Claude 3 Sonnet 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 36.6 to 29.6.
- The biggest single-benchmark swing is BigCodeBench Complete: 53.8% for Claude 3 Sonnet and 38.4% for StarCoder 2 15B.
- StarCoder 2 15B has downloadable open weights; the other is API-only.
Side by side
| Claude 3 Sonnet | StarCoder 2 15B | |
|---|---|---|
| Provider | Anthropic | NVIDIA |
| Noometry Index | 29.0 | 38.1 |
| Released | 2024-02-29 | 2024-02-20 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 30 | 7 |
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Category by category
Coding StarCoder 2 15B leads
Claude 3 Sonnet: 29.6 (#302), StarCoder 2 15B: 36.6
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| BigCodeBench Complete | 53.8% | 38.4% |
| HumanEval+ | 64% | 37.8% |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| LMArena Coding | 1223 | — |
| MBPP+ | 69.3% | — |
Reasoning Not comparable
Claude 3 Sonnet: 20.5 (#237), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| Epoch Capabilities Index | 120.7 | 105 |
| WinoGrande | 75.1% | 64.3% |
| LMArena Hard Prompts | 1197 | — |
| DTBench | 53.6% | — |
Math Not comparable
Claude 3 Sonnet: 10.7 (#310), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LMArena Math | 1213 | — |
| MATH Level 5 | 18.2% | — |
| GSM8K | — | 57.7% |
Knowledge Not comparable
Claude 3 Sonnet: 21.1 (#276), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| MMLU | 75.9% | 64.1% |
| GPQA Diamond | 40.6% | — |
| LMArena Expert | 1173 | — |
| ARC (AI2) Challenge | — | 47.2% |
Multimodal Not comparable
Claude 3 Sonnet: 25.2 (#125), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| LMArena Vision | 984 | — |
Multilingual Not comparable
Claude 3 Sonnet: 37.8 (#234), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| LMArena Non-English | 1205 | — |
| LMArena Chinese | 1189 | — |
| LMArena French | 1229 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1204 | — |
Instruction Following Not comparable
Claude 3 Sonnet: 62.8 (#235), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| LMArena Instruction Following | 1199 | — |
Long Context Not comparable
Claude 3 Sonnet: 36.7 (#228), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| LMArena Longer Query | 1211 | — |
Writing & Preference Not comparable
Claude 3 Sonnet: 42.1 (#238), StarCoder 2 15B: —
| Benchmark | Claude 3 Sonnet | StarCoder 2 15B |
|---|---|---|
| LMArena Text | 1218 | — |
| LMArena Creative Writing | 1186 | — |
| LMArena Multi-Turn | 1227 | — |
Frequently asked questions
Is Claude 3 Sonnet better than StarCoder 2 15B?
Claude 3 Sonnet has enough public results to be ranked (#319); StarCoder 2 15B does not yet, so treat this comparison as directional.
Is Claude 3 Sonnet or StarCoder 2 15B better for coding?
StarCoder 2 15B scores higher on coding benchmarks: 36.6 versus 29.6 in the Noometry coding category.
How many benchmarks do Claude 3 Sonnet and StarCoder 2 15B share?
5 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and StarCoder 2 15B has 7.