Unverified50% confidenceOpinionExact time
Mustafa Suleiman said MAI Base 2 is stronger than the model powering GPT-5.6 Sol and used only a quarter of the compute OpenAI used to train that model, with this comparison based on non-public information Microsoft obtained as an investor.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/17/2026
First Seen
Valid until: 10/31/2026
Sources
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Related Claims
UnverifiedIn 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.73% similarUnverifiedFor small and medium-sized projects, it is already difficult to perceive a notable difference between Fable 5 and Sol compared to the previous generation Opus 4.8 and GPT 5.5, so AI models do not need to be maxed out.71% similarUnverifiedIn OpenAI's internal benchmarks, GPT-5.6 Sol leads GPT-5.5 by approximately 16 points on recursive self-improvement (model improvement tasks), and shows a 31% improvement over 5.5 on AI infrastructure optimization (chip design workflows).70% similarVerifiedOpenAI officially claims that GPT-4.1 Sol is smarter than Astra in certain respects.70% similar
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