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OpenAI's GPT-5.6 Sol autonomously post-trained the smaller Luna model with a "fairly underspecified prompt"

Summary by The-decoder.com
According to OpenAI, GPT-5.6 Sol independently fine-tuned the smaller Luna model, triggered by a single "fairly under-specified prompt." In OpenAI's internal RSI benchmark for recursive self-improvement, Sol scores 16.2 points higher than GPT-5.5. OpenAI believes the "automated researcher" is within reach. The article OpenAI's GPT-5.6 Sol autonomously post-trained the smaller Luna model with a "fairly underspecified prompt" appeared first on The…
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According to the company, OpenAI's GPT-5.6 Sol has independently post-trained the smaller Luna model – initiated by a single, "quitely underspecified prompt". In the internal RSI benchmark for recursive self-improvement, Sol is 16.2 points ahead of GPT-5.5. OpenAI sees the "automated researcher" within reach. The article AI that improves AI: OpenAI's GPT-5.6 Sol supposedly trained smaller Luna model appeared first on The Decoder.

·Germany
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the-decoder.de broke the news in Germany on Friday, July 10, 2026.
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