Model comparison
GLM-4.5 vs Nova Premier 1.0
GLM-4.5 is the stronger model overall, scoring 42.0 to 38.3 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. GLM-4.5 scores higher in 5 categories and Nova Premier 1.0 in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where GLM-4.5 leads 74.1 to 66.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 57.9% for GLM-4.5 and 44.8% for Nova Premier 1.0.
- GLM-4.5 is cheaper at $0.60 / $2.20 per million input/output tokens, against $2.50 / $12.50 for Nova Premier 1.0.
- Nova Premier 1.0 accepts more context: 1M tokens versus 131K.
- GLM-4.5 has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5 | Nova Premier 1.0 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Amazon |
| Noometry Index | 42.0 | 38.3 |
| Released | 2025-07-27 | 2025-04-30 |
| Weights | Open | Proprietary |
| Context window | 131K | 1M |
| Max output | 98K | 10K |
| Input $ / M tokens | $0.60 | $2.50 |
| Output $ / M tokens | $2.20 | $12.50 |
| Results tracked | 27 | 6 |
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Category by category
Coding Not comparable
GLM-4.5: 41.4 (#125), Nova Premier 1.0: —
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| SWE-bench Verified (bash only) | 54.2% | — |
| WeirdML | 40.6% | — |
| LMArena Coding | 1434 | — |
| ALE-Bench | 344.82 | — |
| AlgoTune | 1.52 | — |
Reasoning GLM-4.5 leads
GLM-4.5: 28.6 (#100), Nova Premier 1.0: 23.0 (#185)
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | 57.9% | 44.8% |
| LMArena Hard Prompts | 1429 | — |
Math GLM-4.5 leads
GLM-4.5: 39.0 (#116), Nova Premier 1.0: 33.8 (#199)
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| Omni-MATH | — | 35% |
| LMArena Math | 1427 | — |
Knowledge Too close to call
GLM-4.5: 35.9 (#179), Nova Premier 1.0: 35.8 (#180)
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| Humanity's Last Exam | 8.3% | — |
| MMLU-Pro | — | 72.6% |
| Confabulations | 11.3% | — |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1433 | — |
Multilingual Not comparable
GLM-4.5: 52.8 (#77), Nova Premier 1.0: —
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1417 | — |
| LMArena Chinese | 1465 | — |
| LMArena French | 1418 | — |
| LMArena German | 1407 | — |
| LMArena Japanese | 1415 | — |
| LMArena Korean | 1380 | — |
| LMArena Russian | 1414 | — |
| LMArena Spanish | 1454 | — |
Instruction Following GLM-4.5 leads
GLM-4.5: 74.1 (#104), Nova Premier 1.0: 66.8 (#204)
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1404 | — |
Long Context Not comparable
GLM-4.5: 38.2 (#201), Nova Premier 1.0: —
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| Fiction.LiveBench | 58.3% | — |
| LMArena Longer Query | 1412 | — |
Writing & Preference GLM-4.5 leads
GLM-4.5: 57.5 (#127), Nova Premier 1.0: 51.0 (#178)
| Benchmark | GLM-4.5 | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1430 | — |
| LMArena Creative Writing | 1395 | — |
| Short-Story Creative Writing | 73.4% | — |
| EQ-Bench Creative Writing | 1343 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1415 | — |
Frequently asked questions
Is GLM-4.5 better than Nova Premier 1.0?
GLM-4.5 is the stronger model overall, scoring 42.0 to 38.3 on the Noometry Index.
Which is cheaper, GLM-4.5 or Nova Premier 1.0?
GLM-4.5 is cheaper. It lists at $0.60 per million input tokens and $2.20 per million output tokens; Nova Premier 1.0 lists at $2.50 and $12.50.
Which has the bigger context window?
Nova Premier 1.0 does, with 1M tokens against 131K.
How many benchmarks do GLM-4.5 and Nova Premier 1.0 share?
1 benchmark has published results for both models. GLM-4.5 has 27 scored results on Noometry and Nova Premier 1.0 has 6.