Model comparison
Amazon Nova Micro vs GLM-4.5-Air
GLM-4.5-Air is the stronger model overall, scoring 38.7 to 29.9 on the Noometry Index. Amazon Nova Micro costs 6.9× less per token, which makes it the better buy when GLM-4.5-Air's lead doesn't matter for your workload.
Last verified . 23 shared benchmarks.
Summary
- They share 23 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and GLM-4.5-Air in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GLM-4.5-Air leads 56.1 to 39.7.
- The biggest single-benchmark swing is MMLU-Pro: 51.1% for Amazon Nova Micro and 76.2% for GLM-4.5-Air.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $0.20 / $1.10 for GLM-4.5-Air.
- GLM-4.5-Air accepts more context: 131K tokens versus 128K.
- GLM-4.5-Air has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Micro | GLM-4.5-Air | |
|---|---|---|
| Provider | Amazon | Z.ai (Zhipu) |
| Noometry Index | 29.9 | 38.7 |
| Released | 2024-12-03 | 2025-07-20 |
| Weights | Proprietary | Open |
| Context window | 128K | 131K |
| Max output | 10K | 98K |
| Input $ / M tokens | $0.035 | $0.20 |
| Output $ / M tokens | $0.14 | $1.10 |
| Results tracked | 32 | 27 |
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Category by category
Coding GLM-4.5-Air leads
Amazon Nova Micro: 30.0 (#289), GLM-4.5-Air: 34.5 (#225)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| LMArena Coding | 1218 | 1397 |
| GSO | — | 2.9% |
| LiveBench Coding | 20.2% | — |
Agentic & Tool Use Not comparable
Amazon Nova Micro: 21.9 (#125), GLM-4.5-Air: —
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
Reasoning GLM-4.5-Air leads
Amazon Nova Micro: 16.7 (#289), GLM-4.5-Air: 23.3 (#166)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1379 |
| Kagi LLM Benchmark | — | 43% |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| ForecastBench | — | 59.2 |
| LiveBench | 29.6% | — |
Math GLM-4.5-Air leads
Amazon Nova Micro: 24.9 (#252), GLM-4.5-Air: 33.8 (#166)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| Omni-MATH | 21.4% | 39.1% |
| LMArena Math | 1206 | 1396 |
| LiveBench Math | 34.5% | — |
Knowledge GLM-4.5-Air leads
Amazon Nova Micro: 29.2 (#231), GLM-4.5-Air: 34.6 (#184)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| MMLU-Pro | 51.1% | 76.2% |
| Vectara Hallucination Rate | 5.5% | 9.3% |
| GPQA (HELM) | 38.3% | 59.4% |
| LMArena Expert | 1184 | 1370 |
| Humanity's Last Exam | — | 8.1% |
| MMLU | 70.8% | — |
Multilingual GLM-4.5-Air leads
Amazon Nova Micro: 36.7 (#234), GLM-4.5-Air: 49.4 (#130)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| LMArena Non-English | 1186 | 1366 |
| LMArena Chinese | 1209 | 1427 |
| LMArena French | 1237 | 1399 |
| LMArena German | 1192 | 1376 |
| LMArena Japanese | 1154 | 1348 |
| LMArena Korean | 1150 | 1306 |
| LMArena Russian | 1185 | 1373 |
| LMArena Spanish | 1225 | 1385 |
Instruction Following GLM-4.5-Air leads
Amazon Nova Micro: 56.6 (#267), GLM-4.5-Air: 69.8 (#165)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| IFEval | 76% | 81.2% |
| LMArena Instruction Following | 1174 | 1353 |
| LiveBench Instruction Following | 48% | — |
Long Context GLM-4.5-Air leads
Amazon Nova Micro: 36.5 (#224), GLM-4.5-Air: 41.6 (#130)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| LMArena Longer Query | 1206 | 1367 |
Writing & Preference GLM-4.5-Air leads
Amazon Nova Micro: 39.7 (#242), GLM-4.5-Air: 56.1 (#134)
| Benchmark | Amazon Nova Micro | GLM-4.5-Air |
|---|---|---|
| LMArena Text | 1208 | 1384 |
| LMArena Creative Writing | 1172 | 1343 |
| WildBench | 74.3% | 78.9% |
| LMArena Multi-Turn | 1178 | 1371 |
| LiveBench Language | 15.8% | — |
Frequently asked questions
Is Amazon Nova Micro better than GLM-4.5-Air?
GLM-4.5-Air is the stronger model overall, scoring 38.7 to 29.9 on the Noometry Index. Amazon Nova Micro costs 6.9× less per token, which makes it the better buy when GLM-4.5-Air's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Micro or GLM-4.5-Air?
Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; GLM-4.5-Air lists at $0.20 and $1.10.
Is Amazon Nova Micro or GLM-4.5-Air better for coding?
GLM-4.5-Air scores higher on coding benchmarks: 34.5 versus 30.0 in the Noometry coding category.
Which has the bigger context window?
GLM-4.5-Air does, with 131K tokens against 128K.
How many benchmarks do Amazon Nova Micro and GLM-4.5-Air share?
23 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and GLM-4.5-Air has 27.