Model comparison
GLM-5 vs Nova Premier 1.0
GLM-5 is the stronger model overall, scoring 46.1 to 38.3 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. GLM-5 scores higher in 5 categories and Nova Premier 1.0 in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5 leads 52.3 to 35.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for GLM-5 and 44.8% for Nova Premier 1.0.
- GLM-5 is cheaper at $1 / $3.20 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 205K.
- GLM-5 has downloadable open weights; the other is API-only.
Side by side
| GLM-5 | Nova Premier 1.0 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Amazon |
| Noometry Index | 46.1 | 38.3 |
| Released | 2026-02-11 | 2025-04-30 |
| Weights | Open | Proprietary |
| Context window | 205K | 1M |
| Max output | 131K | 10K |
| Input $ / M tokens | $1 | $2.50 |
| Output $ / M tokens | $3.20 | $12.50 |
| Results tracked | 45 | 6 |
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Category by category
Coding Not comparable
GLM-5: 49.0 (#52), Nova Premier 1.0: —
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| SWE-bench Verified | 72.1% | — |
| SWE-bench Verified (bash only) | 72.8% | — |
| LMArena WebDev | 1434 | — |
| SWE-bench Multilingual | 69.7% | — |
| WeirdML | 48.2% | — |
| LMArena Coding | 1461 | — |
| ALE-Bench | 765.62 | — |
Agentic & Tool Use Not comparable
GLM-5: 31.1 (#71), Nova Premier 1.0: —
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| Terminal-Bench | 52.4% | — |
| τ²-bench Airline | 82.5% | — |
| τ²-bench Banking | 9.8% | — |
| τ²-bench Retail | 73.7% | — |
| τ²-bench Telecom | 86.8% | — |
| Vending-Bench 2 | 4,432 | — |
Reasoning GLM-5 leads
GLM-5: 27.6 (#116), Nova Premier 1.0: 23.0 (#185)
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | 75% | 44.8% |
| ARC-AGI-2 | 4.9% | — |
| SimpleBench | 53.2% | — |
| NYT Connections (extended) | 74.8% | — |
| ARC-AGI-1 | 44.7% | — |
| Chess Puzzles | 10% | — |
| LMArena Hard Prompts | 1452 | — |
| Epoch Capabilities Index | 145.83 | — |
| ForecastBench | 61 | — |
Math GLM-5 leads
GLM-5: 46.4 (#71), Nova Premier 1.0: 33.8 (#199)
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| MathArena Final-Answer Competitions | 65.7% | — |
| OTIS Mock AIME 2024-2025 | 80% | — |
| Omni-MATH | — | 35% |
| LMArena Math | 1440 | — |
| FrontierMath (Feb 2025 set) | 16.4% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge GLM-5 leads
GLM-5: 52.3 (#64), Nova Premier 1.0: 35.8 (#180)
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| GPQA Diamond | 87.8% | — |
| MMLU-Pro | — | 72.6% |
| Vectara Hallucination Rate | 10.1% | — |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1454 | — |
Multilingual Not comparable
GLM-5: 53.7 (#58), Nova Premier 1.0: —
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1430 | — |
| LMArena Chinese | 1511 | — |
| LMArena French | 1455 | — |
| LMArena German | 1445 | — |
| LMArena Japanese | 1416 | — |
| LMArena Korean | 1423 | — |
| LMArena Russian | 1436 | — |
| LMArena Spanish | 1454 | — |
Instruction Following GLM-5 leads
GLM-5: 75.2 (#67), Nova Premier 1.0: 66.8 (#204)
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1428 | — |
Long Context Not comparable
GLM-5: 44.7 (#60), Nova Premier 1.0: —
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| CL-bench | 18.7% | — |
| LMArena Longer Query | 1446 | — |
Writing & Preference GLM-5 leads
GLM-5: 66.0 (#38), Nova Premier 1.0: 51.0 (#178)
| Benchmark | GLM-5 | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1446 | — |
| LMArena Creative Writing | 1439 | — |
| EQ-Bench Creative Writing | 1601 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1456 | — |
Frequently asked questions
Is GLM-5 better than Nova Premier 1.0?
GLM-5 is the stronger model overall, scoring 46.1 to 38.3 on the Noometry Index.
Which is cheaper, GLM-5 or Nova Premier 1.0?
GLM-5 is cheaper. It lists at $1 per million input tokens and $3.20 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 205K.
How many benchmarks do GLM-5 and Nova Premier 1.0 share?
1 benchmark has published results for both models. GLM-5 has 45 scored results on Noometry and Nova Premier 1.0 has 6.