Verification registerAI & Agents
Living definition
What is OpenAI GPT-5.6 (Sol / Terra / Luna)?
Foundation Models & LLMsAI & Agents
- As of
- 2026-10-01
- Revision
- 2026-10-06.1
- Method
- v1.4.0
Definition
The term, in context
AI-assisted draft · approved dataset
OpenAI GPT-5.6 (Sol / Terra / Luna) is a generation of OpenAI's flagship language models published as several named variants that share a common lineage while differing in capability and cost profile.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-10-01, verified readiness is 55 (claimed 75, reported 55, gap 20) — Strong evidence strength; current signals suggest Use for evaluated coding and knowledge-work tasks with human review.
The readiness fact belongs to the canonical Readiness Verdict for OpenAI GPT-5.6 (Sol / Terra / Luna).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06