GPT-6 Luna changelog

Decisions API generally available with GPT-6 Luna

The Decisions API, which returns typed answers from text and images with GPT-6 Luna, is now generally available after a beta that began October 6. Each request now supports up to 400 questions, up from 200 in the public beta.

Who is affected:

Developers using or evaluating the Decisions API.

What to do:

Review the changes since the public beta before moving beta integrations to production.

GPT-6 Sol and GPT-6 Luna available in GitHub Copilot

GPT-6 Sol is available on Copilot Pro+, Max, Business and Enterprise, and GPT-6 Luna also on Pro, under usage-based billing.

GPT-6 Sol and Luna roll out in Codex and ChatGPT Work

GPT-6 Sol and GPT-6 Luna rolled out to Codex and ChatGPT Work for Plus, Pro, Business, Enterprise and Edu at lower token prices than GPT-5.6. Free and Go get Luna in the desktop app. They are not available in ChatGPT Chat.

Who is affected:

Codex and ChatGPT Work users.

What to do:

Pick gpt-6-sol or gpt-6-luna. Enterprise admins must enable them.

GPT-6 Luna released at $0.10 input and $0.50 output

GPT-6 Luna launched on the Responses and Chat Completions APIs at $0.10 input, $0.01 cached input and $0.50 output per million tokens for prompts up to 272K tokens.

Who is affected:

Developers running high-volume workloads on GPT-5.6 Luna or smaller models.

What to do:

Test GPT-6 Luna for high-volume tasks.