Modelpeers

GPT-6 Luna changelog

Every change to GPT-6 Luna that Modelpeers has recorded, newest first, each with the source it came from. The record starts Sep 22, 2026.

All (8)Releases (4)Breaking changes (2)Prices/limits (1)Quality (1)

October 2026

GPT-6 Luna character

OpenAI API and GPT-6 Luna

2 products from OpenAI

Price change

Decisions API priced at $0.10 per million input tokens with no output charges

The Decisions API is generally available with GPT-6 Luna. It costs $0.10 per million input tokens and $0.01 per million cached input tokens, with no output-token charges.

After

$0.10 per million input tokens, $0.01 cached, no output charges

Who is affected:
Developers using GPT-6 Luna for classification, routing and scoring decisions can budget on input tokens only.
What to do:
Review the pricing guide for 30-minute and 12-hour cached write rates.

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