xAI
SpaceXAI Grok 4.5
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
- Context window
- 500Ktokens
- Max output
- 450Ktokens
- Input
- $2.00/ 1M
- Output
- $6.00/ 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="x-ai/grok-4.5",
messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)Cost
| Example request | Tokens | Cost |
|---|---|---|
| Short prompt | 1K in | $0.002 |
| Typical chat turn | 1K in · 500 out | $0.005 |
| Document analysis | 10K in · 2K out | $0.032 |
| Long context | 100K in · 10K out | $0.26 |
Prices in USD. Billed per token actually used, from a balance prepaid in USDT, USDC, ETH or BTC.
Frequently asked questions
What is SpaceXAI Grok 4.5?
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
How much does SpaceXAI Grok 4.5 cost?
SpaceXAI Grok 4.5 is priced at $2 per 1 million input tokens and $6 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 SpaceXAI Grok 4.5 support streaming?
Yes, SpaceXAI Grok 4.5 supports streaming responses via NeuronGate's API. Use the standard "stream": true parameter in your request.
What is the context window of SpaceXAI Grok 4.5?
SpaceXAI Grok 4.5 has a context window of 500K tokens (~375K words). Maximum output is 450K tokens.
Does SpaceXAI Grok 4.5 support function calling (tools)?
Yes, SpaceXAI Grok 4.5 supports function calling / tool use via NeuronGate's standard API.
How do I use SpaceXAI Grok 4.5 with NeuronGate?
Create a NeuronGate account, top up your balance with crypto, generate an API key, and use the model id x-ai/grok-4.5 in your requests. NeuronGate uses the OpenAI-compatible API format — set your base URL to https://neurongate.net/v1.