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GPT-5.5

openai/gpt-5.5

openai

Newest OpenAI flagship — first fully retrained base since GPT-4.5. 1M context, 128K output, native agent + computer use

Code Examples

from blockrun_llm import LLMClient

client = LLMClient()  # Uses BLOCKRUN_WALLET_KEY (never sent to server)
response = client.chat("openai/gpt-5.5", "Hello!")

Pricing

Input$5.00 / 1M tokens
Output$30.00 / 1M tokens
Context1M tokens
Max Output128K 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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