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Grok 4.3

xai/grok-4.3

openrouter

xAI's Grok 4.3 reasoning model. 1M context, vision-capable, tuned for agentic workflows and instruction-following.

Code Examples

from blockrun_llm import LLMClient

client = LLMClient()  # Uses BLOCKRUN_WALLET_KEY (never sent to server)
response = client.chat("xai/grok-4.3", "Hello!")

Pricing

Input$1.50 / 1M tokens
Output$4.00 / 1M tokens
Context1M tokens
Max Output16K tokens

5% markup on official openrouter 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 4.3

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