Z.ai

Z.ai GLM 5.3 FlashX

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

Try in consoleGet an API key
Context window
1.0Mtokens
Max output
131Ktokens
Input
$0.37/ 1M
Output
$1.25/ 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-flashx",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)

Cost

Example requestTokensCost
Short prompt1K in$0.00037
Typical chat turn1K in · 500 out$0.000995
Document analysis10K in · 2K out$0.0062
Long context100K in · 10K out$0.0495
Estimated cost per request$0.000995

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 FlashX?

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

How much does Z.ai GLM 5.3 FlashX cost?

Z.ai GLM 5.3 FlashX is priced at $0.37 per 1 million input tokens and $1.25 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 FlashX support streaming?

Yes, Z.ai GLM 5.3 FlashX 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 FlashX?

Z.ai GLM 5.3 FlashX has a context window of 1.0M tokens (~786K words). Maximum output is 131K tokens.

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

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

How do I use Z.ai GLM 5.3 FlashX 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-flashx in your requests. NeuronGate uses the OpenAI-compatible API format — set your base URL to https://neurongate.net/v1.