# GLM-5.1 vs Nova Premier 1.0

> GLM-5.1 is the stronger model overall, scoring 47.6 to 37.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/glm-5-1-vs-nova-premier-1-0
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where GLM-5.1 leads 55.0 to 35.4.
- GLM-5.1 is cheaper at $1.40 / $4.40 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 200K.
- GLM-5.1 has downloadable open weights; the other is API-only.

## Snapshot

| | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| Provider | Z.ai (Zhipu) | Amazon |
| Noometry Index | 47.6 | 37.7 |
| Rank | 51 | 185 |
| Context | 200K | 1M |
| Input $/M | $1.40 | $2.50 |
| Output $/M | $4.40 | $12.50 |
| Weights | Open | Proprietary |

## Coding

- GLM-5.1: 48.5 (#52)
- Nova Premier 1.0: —

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| SWE-bench Verified | 74.2% | — |
| LMArena WebDev | 1509 | — |
| SciCode | 43.8% | — |
| WeirdML | 57.1% | — |
| LMArena Coding | 1486 | — |
| ALE-Bench | 887.1 | — |

## Agentic & Tool Use

- GLM-5.1: 24.8 (#106)
- Nova Premier 1.0: —

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| APEX-Agents | 40.9% | — |
| ExploitBench | 18.1% | — |
| GBAEval | 0% | — |
| Vending-Bench 2 | 5,634 | — |

## Reasoning

- GLM-5.1: 38.2 (#57)
- Nova Premier 1.0: 22.3 (#182)

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| SimpleBench | 55.1% | — |
| Kagi LLM Benchmark | — | 44.8% |
| NYT Connections (extended) | 77.7% | — |
| CritPt | 4.6% | — |
| Chess Puzzles | 19% | — |
| Thematic Generalization | 69.8% | — |
| LMArena Hard Prompts | 1472 | — |
| Epoch Capabilities Index | 149.86 | — |

## Math

- GLM-5.1: 49.0 (#48)
- Nova Premier 1.0: 31.5 (#194)

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 36.8% | — |
| MathArena Final-Answer Competitions | 67.1% | — |
| OTIS Mock AIME 2024-2025 | 93.3% | — |
| ProofBench | 22.2% | — |
| Omni-MATH | — | 35% |
| LMArena Math | 1472 | — |
| FrontierMath (Feb 2025 set) | 33.4% | — |
| FrontierMath Tier 4 (v1) | 12.5% | — |

## Knowledge

- GLM-5.1: 55.0 (#45)
- Nova Premier 1.0: 35.4 (#176)

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| GPQA Diamond | 89.9% | — |
| SimpleQA Verified | 34% | — |
| MMLU-Pro | — | 72.6% |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1477 | — |

## Multilingual

- GLM-5.1: 55.2 (#34)
- Nova Premier 1.0: —

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1448 | — |
| LMArena Chinese | 1516 | — |
| LMArena French | 1478 | — |
| LMArena German | 1466 | — |
| LMArena Japanese | 1436 | — |
| LMArena Korean | 1423 | — |
| LMArena Russian | 1453 | — |
| LMArena Spanish | 1467 | — |

## Instruction Following

- GLM-5.1: 76.5 (#41)
- Nova Premier 1.0: 66.9 (#201)

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1451 | — |

## Long Context

- GLM-5.1: 44.9 (#51)
- Nova Premier 1.0: —

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| LMArena Longer Query | 1467 | — |

## Writing & Preference

- GLM-5.1: 67.2 (#29)
- Nova Premier 1.0: 51.0 (#174)

| Benchmark | GLM-5.1 | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1462 | — |
| LMArena Creative Writing | 1454 | — |
| EQ-Bench Creative Writing | 1592 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1473 | — |

## FAQ

### Is GLM-5.1 better than Nova Premier 1.0?

GLM-5.1 is the stronger model overall, scoring 47.6 to 37.7 on the Noometry Index.

### Which is cheaper, GLM-5.1 or Nova Premier 1.0?

GLM-5.1 is cheaper. It lists at $1.40 per million input tokens and $4.40 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 200K.

### How many benchmarks do GLM-5.1 and Nova Premier 1.0 share?

0 benchmarks have published results for both models. GLM-5.1 has 41 scored results on Noometry and Nova Premier 1.0 has 6.