Expired70% confidenceFactExact time
In the GPT-5.6 Codex evaluation, three different model tier configurations—Sol, Terra, and Luna—were set up.
2
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
7/20/2026
First Seen
Valid until: 10/18/2026(expired)
Sources
Related Claims
VerifiedGPT-5.6 is no longer a single model but has been split into three tiers: Sol, Tera, and Luna.84% similarUnverifiedThe three variants of GPT-5.6—Sol, Terra, and Luna—were simultaneously made available to all users, with ChatGPT, Codex, and the API all accessible.81% similarVerifiedThe Codex desktop client supports selecting the GPT-5.5 model.80% similarUnverifiedThe GPT-5.6 model family contains three members — Sol, Terra, and Luna — each covering different application scenarios.80% similar
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