Expired60% confidenceFactExact time
OpenAI announced that the mid-to-high compute versions of GPT-5.6 Sol will be made available to Plus, Pro, and Business users with Codex support, but the author, as a Plus user, could not find a Sol entry point in the Tera app and speculates that a Pro subscription is actually required.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/20/2026
First Seen
Valid until: 10/18/2026(expired)
Sources
Related Claims
UnverifiedGPT-5.6 Sol is being made available to Pro and Enterprise customers first, then gradually expanded to Plus and various API tiers.76% similarUnverifiedIt remains uncertain whether OpenAI will impose restrictions on the approach of calling GPT-5.5 under the Codex name in the future.72% 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.72% similarUnverifiedThe core foundation of this update is the new frontier model GPT-5.6 (codenamed Sol in the demo), which is open to all users.71% similarUnverifiedOpenAI states that GPT-5.6 Sol has reached a new level on Terminal-Bench 2.0.71% similar
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