GLM 5.3
GLM 5.3 is a model by Z.ai. The technical details, price and processing region below come straight from the gateway catalog. We serve it on hardware we operate inside the EEA; prompts and completions are not stored.
model id: glm53
from openai import OpenAI client = OpenAI( api_key="hb-...", base_url="https://api.heabsy.com/v1",) r = client.chat.completions.create( model="glm53", messages=[{"role": "user", "content": "Hello"}],)print(r.choices[0].message.content)
curl https://api.heabsy.com/v1/chat/completions \ -H "Authorization: Bearer $HEABSY_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "glm53", "messages": [{"role": "user", "content": "Hello"}] }'
import OpenAI from "openai"; const client = new OpenAI({ apiKey: process.env.HEABSY_API_KEY, baseURL: "https://api.heabsy.com/v1",}); const r = await client.chat.completions.create({ model: "glm53", messages: [{ role: "user", content: "Hello" }],});console.log(r.choices[0].message.content);
export ANTHROPIC_BASE_URL=https://api.heabsy.comexport ANTHROPIC_AUTH_TOKEN="$HEABSY_API_KEY"export ANTHROPIC_MODEL=glm53export ANTHROPIC_DEFAULT_OPUS_MODEL=glm53export ANTHROPIC_DEFAULT_SONNET_MODEL=glm53export ANTHROPIC_DEFAULT_HAIKU_MODEL=glm53export CLAUDE_CODE_MAX_CONTEXT_TOKENS=1048576claude
Use it in Claude Code · OpenCode · Cline · Kilo Code · SillyTavern · n8n
Price list, updated 21 October 2026. No minimum spend, no subscription.
Technical details
- Context window
- 1M tokens
- Max output
- 131,072 tokens
- Throughput limit
- —
- Tokenizer
- Other
- Streaming
- yes
- Open weights
- —
- max_tokens
- 1 … 131072
This model runs on GPUs we operate inside the European Economic Area. Prompts and completions are not written to our logs or durable storage, nothing is used for training, and request content is processed in the EEA. How we serve our own models is described on the inference page.
Questions about this model
›Where is GLM 5.3 computed?
Inside the European Economic Area, on hardware we operate. The catalog reports the processing region per model, so you can answer a supervisory authority without asking us.
›Does GLM 5.3 store prompts and completions?
No. This model runs with zero data retention: request content is not written to durable storage and nothing is used for training.
›How large is the GLM 5.3 context window?
1M tokens, with up to 131,072 tokens of output.
›What does GLM 5.3 cost?
$0.5217 per million input tokens and $0.9565 per million output tokens. No minimum spend and no subscription; the same price list covers the API and the invoice.
›Is there a throughput limit on GLM 5.3?
The catalog does not report a throughput limit for this model.
Compare with similar models
| Model | Developer | Parameters | Context | Licence | Input / 1M |
|---|---|---|---|---|---|
| GLM 5.3 | Z.ai | — | 1M | — | $0.5217 |
| GLM 5.3 Flash Uncensored | dealignai | 320B / 18B | 1M | MIT | $0.1739 |
| GLM 5.3 Uncensored | Z.ai | — | 1M | — | $1.1905 |
| GLM 5.3 Flash | Z.ai | 320B / 18B | 1M | MIT | $0.20 |
35 more models behind the same key and the same invoice.
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