Grok 4 Fast

xai/grok-4-fast-non-reasoning

xai

Grok 4 for quick responses. 2M context, great value

Code Examples

from blockrun_llm import LLMClient

client = LLMClient()  # Uses BLOCKRUN_WALLET_KEY (never sent to server)
response = client.chat("xai/grok-4-fast-non-reasoning", "Hello!")

Pricing

Input$0.20 / 1M tokens

Output$0.50 / 1M tokens

Context2M tokens

Max Output16K tokens

5% markup on official xai API prices.

Payment

Network

Base

Currency

USDC

Protocol

x402

Pay per request with USDC on Base. No subscription required.

Try It

Send a message to try Grok 4 Fast

Connect your wallet to enable payments