GLM-5.1 is an AI model by Zhipu AI. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
General Benchmarks
Artificial Analysis composite intelligence score across 10 sub-benchmarks
Artificial Analysis (via OpenRouter)Coding Benchmarks
Human preference ELO for building things — websites, UI, games, charts, SVG
Design Arena (via OpenRouter)Artificial Analysis composite coding score
Artificial Analysis (via OpenRouter)Human preference ELO for building a working web page from a brief
Design Arena (via OpenRouter)Reasoning Benchmarks
Artificial Analysis composite score for multi-step tool-using tasks
Artificial Analysis (via OpenRouter)Multi-turn service agent making tool calls under strict policy constraints
OpenRouter (measured)Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 54 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 7 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| Alibaba Token Plan | $0 | $0 | $0 | 203K | — |
| Alibaba Token Plan (China) | $0 | $0 | $0 | 203K | — |
| Kenari | $0 | $0 | — | 200K | — |
| SCNet Token Plan | $0 | $0 | $0 | 200K | — |
| Zhipu AI Coding Plan | $0 | $0 | $0 | 200K | — |
| CrofAI | $0.45 | $2.15 | $0.08 | 203K | — |
| HPC-AI | $0.615 | $2.46 | $0.133 | 202K | — |
| NanoGPT | $0.75 | $2.6 | $0.15 | 200K | — |
| Alibaba (China) | $0.825 | $3.301 | $0.17 | 203K | — |
| EmpirioLabs AI | $0.825 | $3.301 | $0.165 | 202K | — |
| AIHubMix | $0.84 | $3.38 | $0.169 | 200K | — |
| EBCloud | $0.8571 | $3.4286 | — | 200K | — |
| ZenMux | $0.8781 | $3.5126 | $0.1903 | 200K | — |
| DevPass (LLM Gateway) | $0.931 | $2.93 | $0.173 | 205K | — |
| OpenRouter | $0.966 | $3.036 | $0.1794 | 205K | Supported |
| GMI Cloud | $0.98 | $3.08 | $0.182 | 203K | — |
| Pioneer | $0.98 | $3.08 | $0.182 | 202K | — |
| CrossModel | $1 | $3.8 | $0.2 | 200K | — |
| Hugging Face | $1 | $3.2 | $0.2 | 203K | Supported |
| Wafer | $1 | $3.2 | $0.1 | 203K | — |
| Deep Infra | $1.05 | $3.5 | $0.205 | 203K | Supported |
| FastRouter | $1.05 | $3.5 | — | 200K | — |
| Crusoe | $1.2 | $4.4 | $0.25 | 200K | — |
| DInference | $1.25 | $3.89 | — | 200K | — |
| Baseten | $1.3 | $4.3 | $0.26 | 203K | Supported |
| DigitalOcean | $1.3 | $4.3 | $0.26 | 164K | — |
| Charm Hyper | $1.318 | $4.308 | $0.659 | 203K | — |
| Jalapeno Cloud | $1.38 | $4.4 | — | 203K | — |
| NovitaAI | $1.38 | $4.4 | $0.26 | 205K | — |
| Cortecs | $1.384 | $4.348 | $0.346 | 203K | — |
| 302.AI | $1.4 | $4.4 | — | 200K | — |
| Abacus | $1.4 | $4.4 | $0.26 | 205K | — |
| Ambient | $1.4 | $4.4 | $0 | 203K | — |
| Auriko | $1.4 | $4.4 | $0.26 | 200K | — |
| Eden AI | $1.4 | $4.4 | $0.26 | 203K | — |
| Friendli | $1.4 | $4.4 | $0.26 | 203K | — |
| Impossibl | $1.4 | $4.4 | $0.26 | 200K | — |
| Kilo Gateway | $1.4 | $4.4 | $0.26 | 200K | — |
| LLM Gateway | $1.4 | $4.4 | $0.26 | 200K | — |
| Merge Gateway | $1.4 | $4.4 | $0.26 | 200K | — |
| Ofox | $1.4 | $4.4 | $0.26 | 200K | — |
| OpenCode Go | $1.4 | $4.4 | $0.26 | 203K | — |
| OpenCode Zen | $1.4 | $4.4 | $0.26 | 205K | — |
| OrcaRouter | $1.4 | $4.4 | $0.26 | 200K | — |
| Requesty | $1.4 | $4.4 | $0.26 | 200K | — |
| TensorX | $1.4 | $4.4 | $0.35 | 203K | — |
| Together AI | $1.4 | $4.4 | $0.26 | 203K | Supported |
| TokenGo | $1.4 | $4.4 | $0.26 | 200K | — |
| Vercel AI Gateway | $1.4 | $4.4 | $0.26 | 203K | Supported |
| Z.AI | $1.4 | $4.4 | $0.26 | 200K | — |
| Zhipu AI | $1.4 | $4.4 | $0.26 | 200K | Supported |
| Venice AI | $1.54 | $4.84 | $0.286 | 200K | — |
| GreenPT | $1.756 | $5.518 | — | 200K | — |
| Ollama Cloud | — | — | — | 203K | — |
GLM-5.1 — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare GLM-5.1 With
GLM-5.1 — Frequently Asked Questions
How much does GLM-5.1 cost?
GLM-5.1 costs $0.97 per 1M input tokens and $3.0 per 1M output tokens. This is mid-range pricing for its capability level.
What is the context window of GLM-5.1?
GLM-5.1 has a context window of 205K tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created GLM-5.1?
GLM-5.1 was created by Zhipu AI. It is classified as a mid model in our catalogue.
Is GLM-5.1 open source?
No, GLM-5.1 is a proprietary model. It is available through Zhipu AI's API and compatible providers.