Grok Build 0.1 overview
Grok Build 0.1 by xAI
Grok Build 0.1 is xAI's model designed for coding, reasoning, and agentic workflows.
Grok Build 0.1 specs
- Model ID
x-ai/grok-build-0-1- Developer
- xAI
- Input
- Text, Image
- Output
- Text
- API
- OpenAI-compatible, base URL
https://api.aimlapi.com/v1
What exactly is Grok Build 0.1?
Grok Build 0.1 is xAI's reasoning and coding model built for agentic software development. It is designed to plan, write, debug, and iterate on code across multi-step tasks, operating as an autonomous coding agent rather than a single-turn code generator. The model supports function calling, tool use, and is fully OpenAI-compatible.
Architecture: what makes it capable
Reasoning-first designGrok Build 0.1 applies chain-of-thought reasoning before generating code. Rather than pattern-matching to a likely completion, it plans the implementation, identifies edge cases, and structures the output, producing code that reflects deliberate problem decomposition.
Agentic tool useThe model is designed to operate inside tool-use loops. It can call functions, interpret results, revise its approach, and continue working toward a goal across multiple turns, enabling multi-step workflows without manual re-prompting at each step.
OpenAI-compatible interfaceGrok Build 0.1 uses the standard OpenAI chat completions format. Function definitions, tool call handling, and message structure follow the same schema, no custom integration layer required for teams already using OpenAI-compatible infrastructure.
Use cases
Grok Build 0.1 is documented as suited for agentic coding tasks, including web development, debugging, and MCP support. It is also described as a speedy, economical option for general-purpose agentic and tool-calling use cases.
It is positioned for software engineering and workflow tasks, where it can connect to external tools and systems. That makes it suitable for building and modifying applications in multi-step, tool-driven workflows.
It is documented for interactive coding-agent work, including repository-level development and iterative code changes. It is also described as a fit for autonomous coding agents that plan, implement, and debug with minimal supervision.
It can be used in browser- or agent-based coding environments that perform repeated tool use across development steps. This includes headless scripts, orchestrators, and agent-client workflows.
Capabilities
- Function calling
- Streaming
- Structured outputs
- Reasoning
Grok Build 0.1 API pricing
| Usage | Price | Unit |
|---|---|---|
| Input | $1 | 1M tokens |
| Output | $2 | 1M tokens |
| Cached input | $0.2 | 1M tokens |
Prices from the AI/ML API price list, checked on Nov 4, 2026.
How to use the Grok Build 0.1 API
View docs
Build with your agent
Give your agent the model details, code and documentation.
1Get your API key
Create API keyexport AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"2Make your first request
curl 'https://api.aimlapi.com/v1/chat/completions' \
-H "Authorization: Bearer $AIMLAPI_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "x-ai/grok-build-0-1",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}'import os
import requests
headers = {
"Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
"Content-Type": "application/json",
}
payload = {
"model": "x-ai/grok-build-0-1",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}
response = requests.post("https://api.aimlapi.com/v1/chat/completions", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())const response = await fetch("https://api.aimlapi.com/v1/chat/completions", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"model": "x-ai/grok-build-0-1",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());Models similar to Grok Build 0.1
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Grok Build 0.1 FAQ
What inputs and outputs does Grok Build 0.1 support?
Grok Build 0.1 takes image, text as input and returns text.
What is the model ID for Grok Build 0.1?
Use x-ai/grok-build-0-1 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.
How much does Grok Build 0.1 cost?
Grok Build 0.1 costs $1 input and $2 output per 1M tokens on AI/ML API, billed as you go with no subscription.
Does Grok Build 0.1 support streaming?
Yes, Grok Build 0.1 can stream responses as they are generated.
Can Grok Build 0.1 read images?
Yes, Grok Build 0.1 accepts image input alongside text.
Who created Grok Build 0.1?
Grok Build 0.1 was built by xAI .