Chat with Z.ai: GLM 4.5

GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a

No signup required — 10,000 session credits for guests. 50,000 free credits on account creation.

Provider
Z Ai
Model slug
z-ai/glm-4.5
Typical cost
Around 1,500–3,750 credits per typical message. 15M Pro credits buy roughly 4,00…
Availability
On Faceb.ai · chat + API

About Z.ai: GLM 4.5

GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens. GLM-4.5 delivers significantly...

What it's good at

1

131,072-token context window — enough for long documents.

2

Extremely low per-token price compared to frontier models — good for high-volume workloads.

3

Hosted by Z Ai — you can access it here alongside GPT-4o, Claude, Gemini and 100+ more on one plan.

4

Switch to any other model mid-conversation from the picker.

Pricing on Faceb.ai

Around 1,500–3,750 credits per typical message. 15M Pro credits buy roughly 4,000–10,000 messages.

Frequently asked — Z.ai: GLM 4.5

What is Z.ai: GLM 4.5?

Z.ai: GLM 4.5 is a chat/completion model served by Z Ai and accessed through Faceb.ai. Try it without signing up — guest users get 10,000 session credits to experiment.

Is Z.ai: GLM 4.5 free on Faceb.ai?

You get 50,000 credits on signup — usually enough for a handful of messages. After that, Pro is $14.99/month for 15M credits, or top-ups from $5.

What's Z.ai: GLM 4.5's context window?

131,072 tokens. Paste your source material in, no need to truncate.

Can I call Z.ai: GLM 4.5 from the API?

Yes. Any API key from /account/api/ works with model slug `z-ai/glm-4.5`. The OpenAI SDK works with base_url=https://api.faceb.ai/v1.

How does Z.ai: GLM 4.5 compare to GPT-4o or Claude?

Depends on the task. Faceb.ai lets you switch models per message — benchmark side-by-side by asking both the same prompt, which is more reliable than abstract comparisons.

How much does Z.ai: GLM 4.5 cost per message here?

Around 1,500–3,750 credits per typical message. 15M Pro credits buy roughly 4,000–10,000 messages.

Does Faceb.ai train on my Z.ai: GLM 4.5 prompts?

No. We contractually request that upstream providers not train on content routed through us. Your chat history lives only on your account.

Is Z.ai: GLM 4.5 good for coding?

It depends on the model size and training mix. For serious code work the developer favourites are Claude 3.5 Sonnet and DeepSeek V3; for quick edits, most capable models work fine.

Can I use Z.ai: GLM 4.5 on the API with the OpenAI SDK?

Yes — point your SDK at https://api.faceb.ai/v1 and use this model's slug as the model parameter. Everything else works as normal.

Does Z.ai: GLM 4.5 support image inputs?

Check the model catalog — multimodal models are marked in the picker. If it accepts images, you can drop screenshots and diagrams straight into the chat.

Can I switch from Z.ai: GLM 4.5 to another model mid-chat?

Yes — the picker is always at the top of the chat. Previous context carries over.

Will newer versions of Z.ai: GLM 4.5 show up here automatically?

Yes. Our catalog auto-fetches from the upstream aggregator, so provider updates and new versions appear in the picker as soon as they're available.

Or try a different model

Your Faceb.ai credits work for every model — switch per message, no extra subscriptions.

Ready to chat?

One subscription covers every frontier model — switch between them per message. No extra API keys, no extra bills.

Start chatting with Z.ai: GLM 4.5 → Go Pro · $14.99/mo