Model comparison
Claude 2 vs GLM-4.5-Air
GLM-4.5-Air is the stronger model overall, scoring 38.9 to 25.0 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where GLM-4.5-Air leads 36.2 to 9.3.
- GLM-4.5-Air has downloadable open weights; the other is API-only.
Side by side
| Claude 2 | GLM-4.5-Air | |
|---|---|---|
| Provider | Anthropic | Z.ai (Zhipu) |
| Noometry Index | 25.0 | 38.9 |
| Released | 2023-07-11 | 2025-07-20 |
| Weights | Proprietary | Open |
| Context window | — | 131K |
| Max output | — | 98K |
| Input $ / M tokens | — | $0.20 |
| Output $ / M tokens | — | $1.10 |
| Results tracked | 8 | 27 |
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Category by category
Coding Not comparable
Claude 2: —, GLM-4.5-Air: 33.3 (#259)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| GSO | — | 2.9% |
| LMArena Coding | — | 1397 |
| HumanEval+ | 61.6% | — |
Reasoning GLM-4.5-Air leads
Claude 2: 21.7 (#216), GLM-4.5-Air: 24.1 (#166)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| Kagi LLM Benchmark | — | 43% |
| LMArena Hard Prompts | — | 1379 |
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.13 | — |
| ForecastBench | — | 59.2 |
Math GLM-4.5-Air leads
Claude 2: 9.3 (#320), GLM-4.5-Air: 36.2 (#170)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| Omni-MATH | — | 39.1% |
| LMArena Math | — | 1396 |
| MATH Level 5 | 11.7% | — |
Knowledge GLM-4.5-Air leads
Claude 2: 16.9 (#287), GLM-4.5-Air: 35.0 (#191)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| Humanity's Last Exam | — | 8.1% |
| MMLU-Pro | — | 76.2% |
| Vectara Hallucination Rate | — | 9.3% |
| GPQA (HELM) | — | 59.4% |
| LMArena Expert | — | 1370 |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |
Multilingual Not comparable
Claude 2: —, GLM-4.5-Air: 49.1 (#135)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| LMArena Non-English | — | 1366 |
| LMArena Chinese | — | 1426 |
| LMArena French | — | 1399 |
| LMArena German | — | 1377 |
| LMArena Japanese | — | 1348 |
| LMArena Korean | — | 1308 |
| LMArena Russian | — | 1373 |
| LMArena Spanish | — | 1386 |
Instruction Following Not comparable
Claude 2: —, GLM-4.5-Air: 69.6 (#171)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| IFEval | — | 81.2% |
| LMArena Instruction Following | — | 1354 |
Long Context Not comparable
Claude 2: —, GLM-4.5-Air: 41.6 (#135)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| LMArena Longer Query | — | 1366 |
Writing & Preference Not comparable
Claude 2: —, GLM-4.5-Air: 55.9 (#139)
| Benchmark | Claude 2 | GLM-4.5-Air |
|---|---|---|
| LMArena Text | — | 1384 |
| LMArena Creative Writing | — | 1343 |
| WildBench | — | 78.9% |
| LMArena Multi-Turn | — | 1371 |
Frequently asked questions
Is Claude 2 better than GLM-4.5-Air?
GLM-4.5-Air is the stronger model overall, scoring 38.9 to 25.0 on the Noometry Index.
How many benchmarks do Claude 2 and GLM-4.5-Air share?
0 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and GLM-4.5-Air has 27.