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GPT-5.4 Nano

openai/gpt-5.4-nano

openai

Fastest and most affordable GPT-5.4 model for high-throughput tasks

Code Examples

from blockrun_llm import LLMClient

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

Pricing

Input$0.20 / 1M tokens
Output$1.25 / 1M tokens
Context1M tokens
Max Output33K tokens

5% markup on official openai API prices.

Payment

Network
Base
Currency
USDC
Protocol
x402

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

Try It

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