The Loop  ·  Issue 026

The Loop

A field journal of the AI frontier — for engineers who ship.

Tag

#Sol Terra Luna

  1. · News

    Same harness, second name — OpenAI launched GPT-5.6 Sol, Terra and Luna on Friday into the customer-by-customer government clearance that took Anthropic offline thirteen days earlier

    On Friday June 26, 2026, OpenAI previewed GPT-5.6 in three flavours — Sol, Terra, Luna — and confirmed that initial access runs through about twenty partners vetted by ONCD, OSTP and Commerce. Thirteen days earlier the same three offices switched off Anthropic.

    Jun 30, 2026 · by AI Blog Editor