# GLM-4.6 vs GPT-5.4 Pro

> GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 40.9 on the Noometry Index. GLM-4.6 costs 68× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/glm-4-6-vs-gpt-5-4-pro
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. GLM-4.6 scores higher in 0 categories and GPT-5.4 Pro in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 23.1.
- The biggest single-benchmark swing is CritPt: 1.1% for GLM-4.6 and 30% for GPT-5.4 Pro.
- GLM-4.6 is cheaper at $0.60 / $2.20 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 205K.
- GLM-4.6 has downloadable open weights; the other is API-only.

## Snapshot

| | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| Provider | Z.ai (Zhipu) | OpenAI |
| Noometry Index | 40.9 | 58.8 |
| Rank | 132 | 16 |
| Context | 205K | 1.05M |
| Input $/M | $0.60 | $30 |
| Output $/M | $2.20 | $180 |
| Weights | Open | Proprietary |

## Coding

- GLM-4.6: 39.9 (#137)
- GPT-5.4 Pro: 42.6 (#89)

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| SWE-bench Verified (bash only) | 55.4% | — |
| LMArena WebDev | 1339 | — |
| SciCode | 38.4% | — |
| WeirdML | — | 57.4% |
| LMArena Coding | 1449 | — |
| ALE-Bench | 340.82 | — |

## Agentic & Tool Use

- GLM-4.6: 32.1 (#60)
- GPT-5.4 Pro: —

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| Terminal-Bench | 24.5% | — |
| Berkeley Function Calling Leaderboard | 72.4% | — |

## Reasoning

- GLM-4.6: 23.1 (#168)
- GPT-5.4 Pro: 71.0 (#10)

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| CritPt | 1.1% | 30% |
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| Kagi LLM Benchmark | 47.4% | — |
| ARC-AGI-1 | — | 94.5% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| LMArena Hard Prompts | 1440 | — |
| Epoch Capabilities Index | — | 159.12 |

## Math

- GLM-4.6: 36.4 (#115)
- GPT-5.4 Pro: 72.0 (#17)

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Feb 2025 set) | 3.8% | 50% |
| FrontierMath Tier 4 (v1) | 2.1% | 37.5% |
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| LMArena Math | 1431 | — |

## Knowledge

- GLM-4.6: 39.6 (#118)
- GPT-5.4 Pro: 68.3 (#6)

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| Vectara Hallucination Rate | 9.5% | 8.3% |
| GPQA Diamond | — | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| LMArena Expert | 1432 | — |

## Multilingual

- GLM-4.6: 53.6 (#62)
- GPT-5.4 Pro: —

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| LMArena Non-English | 1426 | — |
| LMArena Chinese | 1500 | — |
| LMArena French | 1459 | — |
| LMArena German | 1447 | — |
| LMArena Japanese | 1394 | — |
| LMArena Korean | 1401 | — |
| LMArena Russian | 1418 | — |
| LMArena Spanish | 1436 | — |

## Instruction Following

- GLM-4.6: 74.5 (#93)
- GPT-5.4 Pro: —

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| LMArena Instruction Following | 1410 | — |

## Long Context

- GLM-4.6: 43.4 (#91)
- GPT-5.4 Pro: —

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| LMArena Longer Query | 1423 | — |

## Writing & Preference

- GLM-4.6: 61.3 (#86)
- GPT-5.4 Pro: —

| Benchmark | GLM-4.6 | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1440 | — |
| LMArena Creative Writing | 1411 | — |
| EQ-Bench Creative Writing | 1411 | — |
| LMArena Multi-Turn | 1427 | — |

## FAQ

### Is GLM-4.6 better than GPT-5.4 Pro?

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 40.9 on the Noometry Index. GLM-4.6 costs 68× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

### Which is cheaper, GLM-4.6 or GPT-5.4 Pro?

GLM-4.6 is cheaper. It lists at $0.60 per million input tokens and $2.20 per million output tokens; GPT-5.4 Pro lists at $30 and $180.

### Is GLM-4.6 or GPT-5.4 Pro better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 39.9 in the Noometry coding category.

### Which has the bigger context window?

GPT-5.4 Pro does, with 1.05M tokens against 205K.

### How many benchmarks do GLM-4.6 and GPT-5.4 Pro share?

4 benchmarks have published results for both models. GLM-4.6 has 29 scored results on Noometry and GPT-5.4 Pro has 16.