BlockRun
Back to Pricing

GPT-5.1

openai/gpt-5.1

openai

Previous flagship model with strong general capabilities

Code Examples

from blockrun_llm import LLMClient

client = LLMClient()  # Uses BLOCKRUN_WALLET_KEY (never sent to server)
response = client.chat("openai/gpt-5.1", "Hello!")

Pricing

Input$1.25 / 1M tokens
Output$10.00 / 1M tokens
Context Window400K tokens
Max Output128K tokens

Same price as official openai API. 0% markup during beta.

Payment

Network
Base
Currency
USDC
Protocol
x402

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

Try It

Send a message to try GPT-5.1

Connect your wallet to enable payments