Expired50% confidenceFactExact time
The GPT-5.6 flagship model SO autonomously completed the post-training of the smallest model LUNA end-to-end.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/15/2026
First Seen
Valid until: 10/13/2026(expired)
Sources
Related Claims
UnverifiedBerman predicts that the GPT-5 series is approaching its growth ceiling and that GPT-6 has likely completed base training and is currently undergoing post-training.77% similarUnverifiedIn the release livestream, OpenAI had GPT-5.6 Sol perform post-training optimization on the smaller GPT-5.6 Luna model, allowing it to autonomously search, run, and optimize within a given compute budget.76% similarUnverifiedGPT 系列、Llama 等模型的核心能力绝大部分来自预训练而非后续微调阶段75% similarUnverifiedGPT-5.6 Sol is capable of autonomously conducting post-training on Luna, with researchers needing only a brief Codex prompt to have the model configure the environment, select GPUs, and launch scripts on its own75% similarUnverifiedIf the default quick-answer mode is used, the underlying model running is still the previous-generation 5.5 model, and a manual switch is required to use GPT-5.6.74% similar
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