AIPriceWatch

GPT-5.6 Luna pricing

Text model by OpenAI. Sold by 2 providers.

Prices

API prices in USD, cheapest seller first. Highlighted: lowest for that line.
Sold byPrice linePriceSource
OpenAIper 1M input tokens$0.20Source verified
per 1M cached input tokens$0.02
per 1M output tokens$1.20
per 1M input tokensprompts over 272K tokens$0.40
per 1M cached input tokensprompts over 272K tokens$0.04
per 1M output tokensprompts over 272K tokens$1.80
OpenRouterresellerper 1M input tokens$0.20Source verified
per 1M cached input tokens$0.02
per 1M output tokens$1.20
per 1M input tokensprompts over 272K tokens$0.40
per 1M cached input tokensprompts over 272K tokens$0.04
per 1M output tokensprompts over 272K tokens$1.80
Price a job with GPT-5.6 Luna

Limits

Context window
1.05M tokens
Max output
128K tokens
Released
9 Jul 2026
Open weights
No

Sources

Price history

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Updated