Model comparison
Amazon Nova Pro vs GLM-4.5
GLM-4.5 is the stronger model overall, scoring 42.0 to 31.0 on the Noometry Index.
Last verified . 20 shared benchmarks.
Summary
- They share 20 benchmarks with published results for both. Amazon Nova Pro scores higher in 0 categories and GLM-4.5 in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GLM-4.5 leads 57.5 to 43.9.
- The biggest single-benchmark swing is Confabulations: 30.1% for Amazon Nova Pro and 11.3% for GLM-4.5.
- GLM-4.5 is cheaper at $0.60 / $2.20 per million input/output tokens, against $0.80 / $3.20 for Amazon Nova Pro.
- Amazon Nova Pro accepts more context: 300K tokens versus 131K.
- GLM-4.5 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Pro | GLM-4.5 | |
|---|---|---|
| Provider | Amazon | Z.ai (Zhipu) |
| Noometry Index | 31.0 | 42.0 |
| Released | 2024-12-03 | 2025-07-27 |
| Weights | Proprietary | Open |
| Context window | 300K | 131K |
| Max output | 10K | 98K |
| Input $ / M tokens | $0.80 | $0.60 |
| Output $ / M tokens | $3.20 | $2.20 |
| Results tracked | 38 | 27 |
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Category by category
Coding GLM-4.5 leads
Amazon Nova Pro: 35.1 (#229), GLM-4.5: 41.4 (#125)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Coding | 1270 | 1434 |
| SWE-bench Verified (bash only) | — | 54.2% |
| WeirdML | — | 40.6% |
| LiveBench Coding | 38.1% | — |
| ALE-Bench | — | 344.82 |
| AlgoTune | — | 1.52 |
Agentic & Tool Use Not comparable
Amazon Nova Pro: 16.7 (#147), GLM-4.5: —
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
Reasoning GLM-4.5 leads
Amazon Nova Pro: 20.0 (#243), GLM-4.5: 28.6 (#100)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1429 |
| Kagi LLM Benchmark | — | 57.9% |
| LiveBench Reasoning | 32.6% | — |
| LiveBench Data Analysis | 48.3% | — |
| Epoch Capabilities Index | 123.8 | — |
| LiveBench | 43.5% | — |
Math GLM-4.5 leads
Amazon Nova Pro: 28.5 (#243), GLM-4.5: 39.0 (#116)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Math | 1252 | 1427 |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |
Knowledge GLM-4.5 leads
Amazon Nova Pro: 27.4 (#250), GLM-4.5: 35.9 (#179)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| Humanity's Last Exam | 4.4% | 8.3% |
| Confabulations | 30.1% | 11.3% |
| LMArena Expert | 1211 | 1433 |
| MMLU-Pro | 67.3% | — |
| Vectara Hallucination Rate | 5.1% | — |
| GPQA (HELM) | 44.6% | — |
| MMLU | 82% | — |
Multimodal Not comparable
Amazon Nova Pro: 25.0 (#126), GLM-4.5: —
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Vision | 980 | — |
Multilingual GLM-4.5 leads
Amazon Nova Pro: 39.7 (#223), GLM-4.5: 52.8 (#77)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Non-English | 1234 | 1417 |
| LMArena Chinese | 1244 | 1465 |
| LMArena French | 1271 | 1418 |
| LMArena German | 1243 | 1407 |
| LMArena Japanese | 1200 | 1415 |
| LMArena Korean | 1203 | 1380 |
| LMArena Russian | 1240 | 1414 |
| LMArena Spanish | 1182 | 1454 |
Instruction Following GLM-4.5 leads
Amazon Nova Pro: 64.9 (#226), GLM-4.5: 74.1 (#104)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Instruction Following | 1235 | 1404 |
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |
Long Context Too close to call
Amazon Nova Pro: 38.1 (#205), GLM-4.5: 38.2 (#201)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Longer Query | 1255 | 1412 |
| Fiction.LiveBench | — | 58.3% |
Writing & Preference GLM-4.5 leads
Amazon Nova Pro: 43.9 (#226), GLM-4.5: 57.5 (#127)
| Benchmark | Amazon Nova Pro | GLM-4.5 |
|---|---|---|
| LMArena Text | 1259 | 1430 |
| LMArena Creative Writing | 1212 | 1395 |
| Short-Story Creative Writing | 60.5% | 73.4% |
| LMArena Multi-Turn | 1246 | 1415 |
| EQ-Bench Creative Writing | — | 1343 |
| WildBench | 77.7% | — |
| LiveBench Language | 37% | — |
Frequently asked questions
Is Amazon Nova Pro better than GLM-4.5?
GLM-4.5 is the stronger model overall, scoring 42.0 to 31.0 on the Noometry Index.
Which is cheaper, Amazon Nova Pro or GLM-4.5?
GLM-4.5 is cheaper. It lists at $0.60 per million input tokens and $2.20 per million output tokens; Amazon Nova Pro lists at $0.80 and $3.20.
Is Amazon Nova Pro or GLM-4.5 better for coding?
GLM-4.5 scores higher on coding benchmarks: 41.4 versus 35.1 in the Noometry coding category.
Which has the bigger context window?
Amazon Nova Pro does, with 300K tokens against 131K.
How many benchmarks do Amazon Nova Pro and GLM-4.5 share?
20 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and GLM-4.5 has 27.