OpenAI releases three versions of GPT-5.6, called Sol, Terra, and Luna, as a limited preview to ~20 companies, with participants disclosed to the US government (Axios)
OpenAI began a limited GPT-5.6 preview with three variants, giving select companies early access to its next frontier model family.
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<a href="https://www.axios.com/2026/06/26/openai-gpt-sol-terra-luna-trump"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260626/i16.jpg" vspace="4" /></a>
<p><a href="https://www.techmeme.com/260626/p16#a260626p16" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> <a href="https://www.axios.com/">Axios</a>:<br />
<span style="font-size: 1.3em;"><b><a href="https://www.axios.com/2026/06/26/openai-gpt-sol-terra-luna-trump">OpenAI releases three versions of GPT-5.6, called Sol, Terra, and Luna, as a limited preview to ~20 companies, with participants disclosed to the US government</a></b></span> — OpenAI is rolling out GPT-5.6 Friday, but says it's limiting access to all three versions of the new model at the behest of the U.S. government.</p>
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