Model comparison
GLM-5.3 vs Yi-1.5-34B
GLM-5.3 is the stronger model overall, scoring 54.8 to 30.6 on the Noometry Index.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. GLM-5.3 scores higher in 8 categories and Yi-1.5-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5.3 leads 58.3 to 14.8.
- The biggest single-benchmark swing is GPQA Diamond: 90.9% for GLM-5.3 and 32% for Yi-1.5-34B.
Side by side
| GLM-5.3 | Yi-1.5-34B | |
|---|---|---|
| Provider | Z.ai (Zhipu) | 01.AI |
| Noometry Index | 54.8 | 30.6 |
| Released | 2026-08-14 | 2024-05-13 |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.40 | — |
| Output $ / M tokens | $4.40 | — |
| Results tracked | 42 | 21 |
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Category by category
Coding GLM-5.3 leads
GLM-5.3: 59.5 (#14), Yi-1.5-34B: 32.4 (#272)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1496 | 1169 |
| DeepSWE | 69% | — |
| FrontierCode | 40.1% | — |
| CursorBench | 42.6% | — |
| LMArena WebDev | 1622 | — |
| FrontierSWE | 30.2% | — |
| SciCode | 59% | — |
| WeirdML | 75.4% | — |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
| ALE-Bench | 1,317 | — |
Agentic & Tool Use Not comparable
GLM-5.3: 36.4 (#38), Yi-1.5-34B: —
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| APEX-Agents | 56.6% | — |
| Vending-Bench 2 | 8,164 | — |
Reasoning GLM-5.3 leads
GLM-5.3: 46.1 (#46), Yi-1.5-34B: 22.5 (#191)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1489 | 1160 |
| NYT Connections (extended) | 74.2% | — |
| CritPt | 19.1% | — |
| Chess Puzzles | 21% | — |
| Mystery Game Puzzles | 33% | — |
| DTBench | 87.7% | — |
| LMCA | 55.5% | — |
| Bench to the Future 3 | 0.15 | — |
| Epoch Capabilities Index | 155.61 | — |
Math GLM-5.3 leads
GLM-5.3: 62.3 (#33), Yi-1.5-34B: 27.5 (#249)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1489 | 1182 |
| FrontierMath (Tiers 1-3) | 68.8% | — |
| FrontierMath Tier 4 | 29.3% | — |
| OTIS Mock AIME 2024-2025 | 91.1% | — |
| ProofBench | 49% | — |
| MATH Level 5 | — | 25.5% |
Knowledge GLM-5.3 leads
GLM-5.3: 58.3 (#37), Yi-1.5-34B: 14.8 (#295)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | 90.9% | 32% |
| LMArena Expert | 1516 | 1144 |
| SimpleQA Verified | 41% | — |
Multilingual GLM-5.3 leads
GLM-5.3: 55.7 (#28), Yi-1.5-34B: 32.3 (#256)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1457 | 1121 |
| LMArena Chinese | 1528 | 1213 |
| LMArena French | 1499 | 1156 |
| LMArena German | 1499 | 1111 |
| LMArena Japanese | 1453 | 1021 |
| LMArena Korean | 1472 | 1005 |
| LMArena Russian | 1463 | 1091 |
| LMArena Spanish | 1460 | 1121 |
Instruction Following GLM-5.3 leads
GLM-5.3: 77.5 (#23), Yi-1.5-34B: 59.2 (#257)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1477 | 1139 |
Long Context GLM-5.3 leads
GLM-5.3: 45.4 (#41), Yi-1.5-34B: 34.6 (#248)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1482 | 1143 |
Writing & Preference GLM-5.3 leads
GLM-5.3: 75.7 (#6), Yi-1.5-34B: 37.4 (#257)
| Benchmark | GLM-5.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1471 | 1173 |
| LMArena Creative Writing | 1457 | 1135 |
| LMArena Multi-Turn | 1472 | 1153 |
| EQ-Bench Creative Writing | 2075 | — |
Frequently asked questions
Is GLM-5.3 better than Yi-1.5-34B?
GLM-5.3 is the stronger model overall, scoring 54.8 to 30.6 on the Noometry Index.
Is GLM-5.3 or Yi-1.5-34B better for coding?
GLM-5.3 scores higher on coding benchmarks: 59.5 versus 32.4 in the Noometry coding category.
How many benchmarks do GLM-5.3 and Yi-1.5-34B share?
18 benchmarks have published results for both models. GLM-5.3 has 42 scored results on Noometry and Yi-1.5-34B has 21.