gpt-5.6-sol-long: OpenAI GPT 5.6 Sol (>272K input tokens) chat completions, paid per call in USDC. Per 1M tokens in/out: Flex (default) 4.0/15.0, Standard 8.0/30.0, Fast 16.0/60.0; pick with service_tier. Plus $0.0005 (Base) or $0.0005 (Solana) per call; the quote charges input plus 10% of max_tokens. Levels: none, low, medium, high, xhigh (model gpt-5.6-sol-long:<level>). Empty answers are free. Rates: https://openai.mm.family/x402/pricing

Payment Options