Expired50% confidenceFactExact time
On the web version of ChatGPT, only paid users can use GPT-5.6; free users can use the Terra model in Work and Codex, while paid users can unlock the full lineup and customize effort levels.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
GPT-5.6全解析：Sol旗舰模型性能、短板与竞争力评测
bilibili小牛AI_XNAI7/10/2026
Related Claims
UnverifiedGPT-5.6 Luna has been made available to free users of ChatGPT.78% similarUnverifiedGPT-5.6 Soul is only available to paying users and includes multiple effort levels, with five visible tiers and one hidden Pro mode.75% similarUnverifiedThe GPT-5.6 web version on PC defaults to the Codex state upon opening, and the interface can be switched between Chat and Work modes.74% similarUnverifiedBy disguising a CLI tool as a Codex client, local GPT membership authentication (such as a ChatGPT Plus or Pro subscription) can be exploited to call the GPT-5.5 model for free.73% similarUnverifiedThe GPT 5.6 model natively supports a 1 million context window at the API level, but Codex has still not opened the full quota to subscription users.72% similar
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