GPT-5.6 Variants Spotted in Codex Diffs

haider1 · x · 2026-07-09

A post reveals that several GPT-5.6 variants (sol, terra, luna) have appeared in Codex snapshot diffs, with gpt-5.6-sol listed as the new default. The author believes this indicates Codex integration is complete and may be preparing for an official rollout.

Related event: OpenAI Launches GPT-5.6 Series: Multi-Agent and Cost-Efficiency(119 posts)→

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