GPT-5.6 Luna pricing

GPT-5.6 Luna costs $0.20 per 1M input tokens and $1.20 per 1M output tokens as of October 2026. Tracked daily since 25 July 2026 across 93 snapshots.

Current rates

  • Input: $0.20 per 1M tokens
  • Output: $1.20 per 1M tokens
  • Cached input: $0.02 per 1M tokens
  • Context window: 1,000,000 tokens

Recorded changes

DateFieldFromTo
29 Sep 2026cached input$0.10$0.02
29 Sep 2026output$6.00$1.20
29 Sep 2026input$1.00$0.20
26 Jul 2026context4000001000000
26 Jul 2026statusbetaactive

Cheaper alternatives to GPT-5.6 Luna

Ranked by blended cost assuming a 3:1 input-to-output ratio, which is typical of chat and agent workloads. Only currently callable models with a comparable context window are listed.

ModelInput / 1MOutput / 1MCheaper by
Llama 4 Maverick (400B)$0.15$0.6042%
Claude Haiku 5.5$0.10$0.5056%
GPT-6 Luna$0.10$0.5056%
Cite this data

Free to reuse under CC BY 4.0 with a link back.

Text

YemHub (2026). GPT-5.6 Luna API pricing history. YemHub AI Pricing Index. Retrieved 26 October 2026, from https://yemhub.com/price-history/gpt-5-6-luna/

BibTeX

@misc{yemhub2026gpt56lunaapipricinghistory,
  author = {{YemHub}},
  title = {GPT-5.6 Luna API pricing history},
  year = {2026},
  howpublished = {\url{https://yemhub.com/price-history/gpt-5-6-luna/}},
  note = {YemHub AI Pricing Index, accessed 2026-10-26}
}

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