SpaceXAI: Grok Build 0.1

Open Weights

DEVELOPED BY: X-ai • LAST UPDATED: 10/30/2026

Compare Model

CCI (Capability)17.1Consensus: N/A

Context Window256,000Max token length

In/Out Pricing$1/$2Blended cost/1M: $1.25

Pulse (Popularity)24/100Adoption + discussion proxy

Model Description

OpenRouter model gateway for xAI: Grok Build 0.1.

Domain Averages

Reasoning30.4%

Coding16%

Math21.8%

PreferenceN/A

Jury & Benchmark Signals

Source / Harness	Score
MMLU-Pro	75%
SWE-bench Verified	20%
LiveCodeBench	25%
AIME	30%
LMArena style-controlled Elo	1000

Supported Modalities

INPUT:

text

OUTPUT:

text

Search Tags

#text#chat

How to Use This Model

Python SDK Integration:

import openai

client = openai.OpenAI(
  base_url="https://openrouter.ai/api/v1",
  api_key="YOUR_OPENROUTER_KEY"
)

response = client.chat.completions.create(
  model="x-ai/grok-build-0.1",
  messages=[
    {"role": "user", "content": "Explain quantum entanglement in 1 sentence."}
  ]
)

cURL Terminal Request:

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-build-0.1",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

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