GPT-6 Luna (October)
October hosted ChatGPT variant, distinct from September Luna.
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Why this model scores 82.5
Lower cyber performance than Sol moderates capability/autonomy and misuse; universal hosted reach maximises deployment; safeguards and fewer barrier violations reduce, not eliminate, control difficulty.
News tied to GPT-6 Luna (October)
The model score of 82.5 rates this model's risk profile. The overall Doom Index of 67.9 measures the complete temporally weighted evidence record. These values answer different questions.
Each article's current Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores use a bounded temporal offset around their technical profile, but never feed back into the overall index.
OpenAI deploys October GPT-6 Sol and Luna variants to all ChatGPT plans
OpenAI distinguishes newly released October variants from the September versions still used in Codex and Work. Both are assessed as High in cyber and biological/chemical capability, below Critical, with updated safeguards and residual evaluation failures.
- Full item contribution
- +0.40
- GPT-6 Luna (October) equal share
- +0.20
Model score history
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R1
Doom Score 82.5
Official card distinguishes October's hosted variant.
11 Oct 2026