[{"slug":"inference-provider-index","chart":{"id":"gateway-vs-direct-gpt-6-luna","title":"GPT-6 Luna: OpenRouter vs OpenAI list price","subtitle":"USD per million tokens, before any credit-purchase fee","kind":"grouped-bar","unit":"usd","yLabel":"USD per million tokens","series":[{"name":"Input","points":[{"label":"OpenRouter","value":0.1},{"label":"OpenAI (first-party list price)","value":0.1}]},{"name":"Output","points":[{"label":"OpenRouter","value":0.5},{"label":"OpenAI (first-party list price)","value":0.5}]}],"note":"OpenRouter price reported by OpenRouter’s public API, snapshot 2026-10-06. OpenAI price from the vendor’s published list price as recorded in the product price table. OpenRouter charges a 5.5% fee when credits are bought, not per request; the markup chart shows the price with that fee.","factContext":"GPT-6 Luna · list price, snapshot 2026-10-06","sourceIds":["openrouter-api-snapshot","price-openai"]}}]