Quality
#18/6740.2
Overall quality score
🇨🇳Z.aiOpen sourceZ.ai: GLM 5.1.
See how Z.ai: GLM 5.1 compares with other broadly useful AI models across quality, speed, price, context, and practical capabilities.
Speed
#8/67146 t/s
Output tokens per second
Input price
#45/67$0.97/1M
Per 1M tokens
Output price
#43/67$3.04/1M
Per 1M tokens
Context
#49/67204.8K
Content read at once
Comparison summary
Z.ai: GLM 5.1 ranks #18 of 67 for overall quality and #8 for response speed in the current catalogue.
Its listed input price is $0.97/1M, output price is $3.04/1M, and it can work with up to 204.8K of context at once.
Its strongest areas in the current data are coding, everyday help, math and logic.
Practical specifications
- Company
- Z.ai
- Reasoning
- Yes
- Open weights
- Yes
- Input
- Text
- Output
- Text
- Context window
- 204.8K
Z.ai: GLM 5.1 technical benchmarks.
Named evaluation records for technical comparison. Results retain their original benchmark names and sources.
| Benchmark | Area | GLM 5.1 | Source |
|---|---|---|---|
| Intelligence Index | overallQuality | 40.2 | OpenRouter / artificial-analysis |
| Coding Index | coding | 55.8 | OpenRouter / artificial-analysis |
| Agentic Index | agentic | 29.9 | OpenRouter / artificial-analysis |
| GPQA | GPQA Diamond | 86.8 | OpenRouter model benchmarks |
| Humanity's Last Exam | HLE | 28 | OpenRouter model benchmarks |
| IFBench | IFBench | 76.3 | OpenRouter model benchmarks |
| τ²-Bench Telecom | τ²-Bench Telecom | 97.7 | OpenRouter model benchmarks |
| AA-LCR | AA-LCR | 62.3 | OpenRouter model benchmarks |
| GDPval-AA | GDPval-AA | 37.8 | OpenRouter model benchmarks |
| CritPt | CritPt | 4.6 | OpenRouter model benchmarks |
| SciCode | SciCode | 43.8 | OpenRouter model benchmarks |
| Terminal-Bench Hard | Terminal-Bench Hard | 43.2 | OpenRouter model benchmarks |
| AA-Omniscience Accuracy | AA-Omniscience Accuracy | 24.2 | OpenRouter model benchmarks |
| AA-Omniscience Non-Hallucination Rate | AA-Omniscience Non-Hallucination Rate | 70.6 | OpenRouter model benchmarks |
Quality benchmarks
See where Z.ai: GLM 5.1 stands.
The darker bar marks Z.ai: GLM 5.1; the lighter bars provide context from other leading models.
Highlights
Quality
Overall capability · Higher is better
Speed
Output tokens per second · Higher is better
Input price
USD per 1M tokens · Lower is better