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GPT-5.4 Mini

openai/gpt-5.4-mini

openai

Strongest mini model for coding, computer use, and subagents with GPT-5.4 capabilities

Code Examples

from blockrun_llm import LLMClient

client = LLMClient()  # Uses BLOCKRUN_WALLET_KEY (never sent to server)
response = client.chat("openai/gpt-5.4-mini", "Hello!")

Pricing

Input$0.75 / 1M tokens
Output$4.50 / 1M tokens
Context400K tokens
Max Output128K tokens

5% markup on official openai API prices.

Payment

Network
Circle Gateway (mainnet)
Currency
USDC
Protocol
x402

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

Try It

Send a message to try GPT-5.4 Mini

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