GPT-5.6 Luna pricing

GPT-5.6 Luna

Input:

$0.20 per million tokens

Output:

$1.20 per million tokens

Cached input:

$0.02 per million tokens

Context window:

1,050,000 tokens

Not included

• Prompts above 272K input tokens use higher rates and are not modeled.
• Cache writes, taxes, contractual or volume discounts, and regional pricing are not modeled.
• Excludes batch-processing discounts.
• Excludes server-side tool calls, web search, and other non-token charges.
• Text tokens only. Image, audio, and video pricing is not modeled.