Grok Code Fast 1 API
xAI
Grok Code Fast 1
About Grok Code Fast 1
Grok Code Fast 1 is a large language model developed by xAI. It's particularly well-suited for tackling complex, multi-step reasoning problems, orchestrating tool-using agents that call APIs and external services, producing structured outputs for reliable data extraction, and handling large contexts of up to 256K tokens. Its 256K-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. Developers choose Grok Code Fast 1 when they need reliable, production-quality AI inference through a simple API — and on Qubax, it's available at a fraction of the cost of traditional providers.
In the broader AI landscape, Grok Code Fast 1 sits among the frontier-tier offerings from xAI With advanced reasoning and agentic tool use, it competes with the most frontier-tier models on the market. What sets it apart on Qubax isn't just the model itself — it's the accessibility. Rather than dealing with enterprise contracts or traditional payment rails, you get instant access via an OpenAI-compatible endpoint. That means you can drop Grok Code Fast 1 into Cursor, Cline, LangChain, or any framework that speaks the OpenAI protocol and start building immediately.
Qubax offers Grok Code Fast 1 at competitive rates — just $0.256 per million input tokens and $1.91 per million output tokens. That pricing advantage compounds quickly at scale: a high-volume application sending millions of tokens per day can save significantly compared to using OpenRouter or the provider directly. And because Qubax runs on crypto-native infrastructure, you can pay with USDC, USDT, ETH, BTC, or 200+ other cryptocurrencies — no credit card or bank account required.
Pricing
| Token Type | Qubax | OpenRouter | You Save |
|---|---|---|---|
| Input (per 1M tokens) | $0.256 | $0.250 | — |
| Output (per 1M tokens) | $1.91 | $1.87 | -2% |
| Cache read (per 1M tokens) | $0.045 | — | — |
Prices per 1 million tokens. Pay with 200+ cryptocurrencies. Cache read is the discounted rate providers offer for repeated prompt prefixes.
Price History (60 Days)
This model's price over the last 60 days. Compare against all top AI models →
Estimated Monthly Cost
Specifications
Use Cases
Capabilities
Quick Start
from openai import OpenAI
client = OpenAI(
base_url="https://api.qubax.ai/v1",
api_key="qbx_live_YOUR_API_KEY",
)
response = client.chat.completions.create(
model="grok-code-fast-1",
messages=[
{"role": "user", "content": "Hello!"}
],
)
print(response.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.qubax.ai/v1",
apiKey: "qbx_live_YOUR_API_KEY",
});
const response = await client.chat.completions.create({
model: "grok-code-fast-1",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);curl https://api.qubax.ai/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer qbx_live_YOUR_API_KEY" \
-d '{
"model": "grok-code-fast-1",
"messages": [{"role": "user", "content": "Hello!"}]
}'Get your API key from the dashboard.
Why use Grok Code Fast 1 on Qubax?
Best Prices
Up to 99% off OpenRouter prices
Pay with Crypto
200+ coins (BTC, ETH, SOL, USDT, USDC & more). No credit card needed.
OpenAI Compatible
Drop-in replacement. Works with Cline, Cursor, any tool.
More from xAI
Compare Grok Code Fast 1 with alternatives
| Model | Provider | Input / 1M | Output / 1M | vs Grok Code Fast 1 |
|---|---|---|---|---|
| Grok Code Fast 1 | xAI | $0.256 | $1.91 | — |
| Qwen 3.6 35B A3B (E2EE) | Alibaba | $0.137 | $0.885 | Cheaper |
| Qwen 3 Coder 480B Turbo | Alibaba | $0.131 | $0.563 | Cheaper |
| Trinity Large Thinking (Morpheus Web) | Other | $0.352 | $1.27 | More expensive |
| Seed 2.1 Turbo | Other | $0.188 | $0.938 | Cheaper |
Frequently Asked Questions
How much does the Grok Code Fast 1 API cost?
On Qubax, Grok Code Fast 1 costs $0.256 per 1M input tokens and $1.91 per 1M output tokens.
Is the Grok Code Fast 1 API compatible with OpenAI?
Yes. Qubax provides an OpenAI-compatible API. You can use Grok Code Fast 1 as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.
How do I pay for Grok Code Fast 1 API usage?
Qubax uses prepaid crypto credits. Deposit USDC on the Base chain and your balance is automatically deducted as you use the API. No credit card required. Top up from $3.
What is the context window of Grok Code Fast 1?
Grok Code Fast 1 supports a context window of 256K tokens, allowing you to process large documents, codebases, or long conversations in a single request.
What can I build with Grok Code Fast 1?
Grok Code Fast 1 is versatile enough for a wide range of applications. You can use it to tackle complex multi-step reasoning tasks, build autonomous agents that call external tools and APIs, generate structured JSON output for data pipelines, process long documents and entire codebases, and more. Because it's served through Qubax's OpenAI-compatible API, integration into existing apps, agents, or workflows takes just a few lines of code.
How fast is Grok Code Fast 1 on Qubax?
Grok Code Fast 1 on Qubax supports streaming responses, so tokens begin arriving in real time as they're generated. Latency depends on the provider and prompt complexity, but most requests start streaming within 200–800 milliseconds. Qubax routes requests through an intelligent routing layer, which selects the fastest available compute provider for each request — so you get competitive latency at a lower price.
Grok Code Fast 1 vs Qwen 3.6 35B A3B (E2EE): which should I choose?
Grok Code Fast 1 by xAI and Qwen 3.6 35B A3B (E2EE) by Alibaba are both strong models in a similar price tier. Grok Code Fast 1 excels at complex reasoning. Qwen 3.6 35B A3B (E2EE) comes from a different lab and may have different strengths depending on your workload. On Qubax, Grok Code Fast 1 starts at $0.256/1M input tokens while Qwen 3.6 35B A3B (E2EE) comes in at $0.137/1M, so Qwen 3.6 35B A3B (E2EE) may be worth considering if you need to minimize per-token cost. Both are available on Qubax with crypto payments and OpenAI-compatible APIs, so you can try each and switch freely.
Can I use Grok Code Fast 1 for commercial projects?
Yes. Grok Code Fast 1 on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.
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