Model comparison
GLM-5.2 vs Yi-1.5-34B
GLM-5.2 is the stronger model overall, scoring 50.9 to 30.2 on the Noometry Index.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. GLM-5.2 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-5.2 leads 57.1 to 14.8.
- The biggest single-benchmark swing is GPQA Diamond: 91.9% for GLM-5.2 and 32% for Yi-1.5-34B.
Side by side
| GLM-5.2 | Yi-1.5-34B | |
|---|---|---|
| Provider | Z.ai (Zhipu) | 01.AI |
| Noometry Index | 50.9 | 30.2 |
| Released | 2026-06-13 | 2024-05-13 |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.40 | — |
| Output $ / M tokens | $4.40 | — |
| Results tracked | 50 | 21 |
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Category by category
Coding GLM-5.2 leads
GLM-5.2: 50.9 (#37), Yi-1.5-34B: 31.9 (#267)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1484 | 1169 |
| SWE-bench Verified | 78.7% | — |
| DeepSWE | 43.8% | — |
| FrontierCode | 24.5% | — |
| LMArena WebDev | 1604 | — |
| SciCode | 50.5% | — |
| WeirdML | 70.1% | — |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
| ALE-Bench | 1,047 | — |
Agentic & Tool Use Not comparable
GLM-5.2: 31.6 (#63), Yi-1.5-34B: —
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 31.7% | — |
| GBAEval | 0% | — |
| Vending-Bench 2 | 8,314 | — |
Reasoning GLM-5.2 leads
GLM-5.2: 42.1 (#46), Yi-1.5-34B: 21.5 (#195)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1480 | 1160 |
| ARC-AGI-2 | 22.8% | — |
| SimpleBench | 58.8% | — |
| Kagi LLM Benchmark | 62.6% | — |
| NYT Connections (extended) | 74.3% | — |
| ARC-AGI-1 | 77% | — |
| CritPt | 20.9% | — |
| Chess Puzzles | 21% | — |
| EBR-Bench | 9.5% | — |
| Mystery Game Puzzles | 19% | — |
| DTBench | 93.6% | — |
| LMCA | 45.8% | — |
| Surface Evolver Bench | 55.6% | — |
| Epoch Capabilities Index | 151.76 | — |
Math GLM-5.2 leads
GLM-5.2: 55.4 (#35), Yi-1.5-34B: 25.3 (#248)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1482 | 1182 |
| FrontierMath (Tiers 1-3) | 59.2% | — |
| FrontierMath Tier 4 | 29.3% | — |
| MathArena Final-Answer Competitions | 67.6% | — |
| OTIS Mock AIME 2024-2025 | 86.4% | — |
| ProofBench | 35% | — |
| MATH Level 5 | — | 25.5% |
Knowledge GLM-5.2 leads
GLM-5.2: 57.1 (#36), Yi-1.5-34B: 14.8 (#290)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | 91.9% | 32% |
| LMArena Expert | 1484 | 1144 |
| SimpleQA Verified | 34.2% | — |
Multilingual GLM-5.2 leads
GLM-5.2: 56.0 (#25), Yi-1.5-34B: 32.5 (#251)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1459 | 1121 |
| LMArena Chinese | 1518 | 1213 |
| LMArena French | 1476 | 1155 |
| LMArena German | 1470 | 1111 |
| LMArena Japanese | 1451 | 1021 |
| LMArena Korean | 1445 | 1005 |
| LMArena Russian | 1467 | 1091 |
| LMArena Spanish | 1477 | 1120 |
Instruction Following GLM-5.2 leads
GLM-5.2: 77.1 (#32), Yi-1.5-34B: 59.4 (#252)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1465 | 1139 |
Long Context GLM-5.2 leads
GLM-5.2: 45.3 (#43), Yi-1.5-34B: 34.6 (#243)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1479 | 1144 |
Writing & Preference GLM-5.2 leads
GLM-5.2: 70.7 (#20), Yi-1.5-34B: 37.6 (#252)
| Benchmark | GLM-5.2 | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1470 | 1173 |
| LMArena Creative Writing | 1465 | 1135 |
| LMArena Multi-Turn | 1468 | 1153 |
| EQ-Bench Creative Writing | 1757 | — |
| EQ-Bench 4 | 1222 | — |
Frequently asked questions
Is GLM-5.2 better than Yi-1.5-34B?
GLM-5.2 is the stronger model overall, scoring 50.9 to 30.2 on the Noometry Index.
Is GLM-5.2 or Yi-1.5-34B better for coding?
GLM-5.2 scores higher on coding benchmarks: 50.9 versus 31.9 in the Noometry coding category.
How many benchmarks do GLM-5.2 and Yi-1.5-34B share?
18 benchmarks have published results for both models. GLM-5.2 has 50 scored results on Noometry and Yi-1.5-34B has 21.