---
title: Improving GPT‑5.6 Sol in ChatGPT—and expanding access to GPT-5.6 Luna for free users
link: https://openai.com/index/improving-gpt-5-6-sol-in-chatgpt
source: openai-com
published: 2026-08-06T10:00:00Z
updated: 2026-08-06T10:00:00Z
first_seen: 2026-10-19T01:26:53.998049939Z
labels:
- product
summary: ChatGPT introduces improved GPT-5.6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.6 Luna.
content: feed
html: 2026-08-06-improving-gpt-5-6-sol-in-chatgpt-and-expanding-access-to.html
---

ChatGPT introduces improved GPT-5.6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.6 Luna.