Z.ai

Z.ai GLM 5.3 Flash

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

Try in consoleGet an API key
Context window
1.0Mtokens
Max output
944Ktokens
Input
$0.15/ 1M
Output
$0.50/ 1M

Quick start

from openai import OpenAI

client = OpenAI(
    base_url="https://neurongate.net/v1",
    api_key="sk-ng-your-api-key",
)

completion = client.chat.completions.create(
    model="z-ai/glm-5.3-flash",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)

Cost

Example requestTokensCost
Short prompt1K in$0.00015
Typical chat turn1K in · 500 out$0.0004
Document analysis10K in · 2K out$0.0025
Long context100K in · 10K out$0.02
Estimated cost per request$0.0004

Prices in USD. Billed per token actually used, from a balance prepaid in USDT, USDC, ETH or BTC.

Frequently asked questions

What is Z.ai GLM 5.3 Flash?

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

How much does Z.ai GLM 5.3 Flash cost?

Z.ai GLM 5.3 Flash is priced at $0.15 per 1 million input tokens and $0.5 per 1 million output tokens when accessed via NeuronGate. You pay per token — no subscriptions required. Top up with crypto (USDT, USDC, ETH, BTC).

Does Z.ai GLM 5.3 Flash support streaming?

Yes, Z.ai GLM 5.3 Flash supports streaming responses via NeuronGate's API. Use the standard "stream": true parameter in your request.

What is the context window of Z.ai GLM 5.3 Flash?

Z.ai GLM 5.3 Flash has a context window of 1.0M tokens (~786K words). Maximum output is 944K tokens.

Does Z.ai GLM 5.3 Flash support function calling (tools)?

Yes, Z.ai GLM 5.3 Flash supports function calling / tool use via NeuronGate's standard API.

How do I use Z.ai GLM 5.3 Flash with NeuronGate?

Create a NeuronGate account, top up your balance with crypto, generate an API key, and use the model id z-ai/glm-5.3-flash in your requests. NeuronGate uses the OpenAI-compatible API format — set your base URL to https://neurongate.net/v1.