Model comparison
GLM-5.3 vs StarCoder 2 15B
GLM-5.3 has enough public results to be ranked (#26); 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. GLM-5.3 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 GLM-5.3 leads 59.5 to 36.6.
Side by side
| GLM-5.3 | StarCoder 2 15B | |
|---|---|---|
| Provider | Z.ai (Zhipu) | NVIDIA |
| Noometry Index | 54.8 | 38.1 |
| Released | 2026-08-14 | 2024-02-20 |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.40 | — |
| Output $ / M tokens | $4.40 | — |
| Results tracked | 42 | 7 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GLM-5.3 leads
GLM-5.3: 59.5 (#14), StarCoder 2 15B: 36.6
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| DeepSWE | 69% | — |
| FrontierCode | 40.1% | — |
| CursorBench | 42.6% | — |
| LMArena WebDev | 1622 | — |
| FrontierSWE | 30.2% | — |
| SciCode | 59% | — |
| WeirdML | 75.4% | — |
| LMArena Coding | 1496 | — |
| BigCodeBench Complete | — | 38.4% |
| ALE-Bench | 1,317 | — |
| HumanEval+ | — | 37.8% |
Agentic & Tool Use Not comparable
GLM-5.3: 36.4 (#38), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| APEX-Agents | 56.6% | — |
| Vending-Bench 2 | 8,164 | — |
Reasoning Not comparable
GLM-5.3: 46.1 (#46), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| Epoch Capabilities Index | 155.61 | 105 |
| NYT Connections (extended) | 74.2% | — |
| CritPt | 19.1% | — |
| Chess Puzzles | 21% | — |
| LMArena Hard Prompts | 1489 | — |
| Mystery Game Puzzles | 33% | — |
| DTBench | 87.7% | — |
| LMCA | 55.5% | — |
| Bench to the Future 3 | 0.15 | — |
| WinoGrande | — | 64.3% |
Math Not comparable
GLM-5.3: 62.3 (#33), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 68.8% | — |
| FrontierMath Tier 4 | 29.3% | — |
| OTIS Mock AIME 2024-2025 | 91.1% | — |
| ProofBench | 49% | — |
| LMArena Math | 1489 | — |
| GSM8K | — | 57.7% |
Knowledge Not comparable
GLM-5.3: 58.3 (#37), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| GPQA Diamond | 90.9% | — |
| SimpleQA Verified | 41% | — |
| LMArena Expert | 1516 | — |
| ARC (AI2) Challenge | — | 47.2% |
| MMLU | — | 64.1% |
Multilingual Not comparable
GLM-5.3: 55.7 (#28), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| LMArena Non-English | 1457 | — |
| LMArena Chinese | 1528 | — |
| LMArena French | 1499 | — |
| LMArena German | 1499 | — |
| LMArena Japanese | 1453 | — |
| LMArena Korean | 1472 | — |
| LMArena Russian | 1463 | — |
| LMArena Spanish | 1460 | — |
Instruction Following Not comparable
GLM-5.3: 77.5 (#23), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| LMArena Instruction Following | 1477 | — |
Long Context Not comparable
GLM-5.3: 45.4 (#41), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| LMArena Longer Query | 1482 | — |
Writing & Preference Not comparable
GLM-5.3: 75.7 (#6), StarCoder 2 15B: —
| Benchmark | GLM-5.3 | StarCoder 2 15B |
|---|---|---|
| LMArena Text | 1471 | — |
| LMArena Creative Writing | 1457 | — |
| EQ-Bench Creative Writing | 2075 | — |
| LMArena Multi-Turn | 1472 | — |
Frequently asked questions
Is GLM-5.3 better than StarCoder 2 15B?
GLM-5.3 has enough public results to be ranked (#26); StarCoder 2 15B does not yet, so treat this comparison as directional.
Is GLM-5.3 or StarCoder 2 15B better for coding?
GLM-5.3 scores higher on coding benchmarks: 59.5 versus 36.6 in the Noometry coding category.
How many benchmarks do GLM-5.3 and StarCoder 2 15B share?
1 benchmark has published results for both models. GLM-5.3 has 42 scored results on Noometry and StarCoder 2 15B has 7.