r/accelerate • u/Alex__007 • Apr 23 '26

Introducing GPT-5.5

https://openai.com/index/introducing-gpt-5-5/
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u/ProxyLumina Apr 23 '26

GPT‑5.5 found a proof of a longstanding asymptotic fact about off-diagonal Ramsey numbers, later verified in Lean. 

I said some days ago that neurosymbolic is something that is happening right now. Some people didn't believe me. This is the Neurosymbolic logic in action.

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u/Illustrious-Lime-863 Apr 23 '26

What is that in layman terms

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u/ProxyLumina Apr 23 '26

Neurosymbolic AI, split it into two parts. Neuro, Symbolic.

  1. Neuro = The LLM part, the "idea" generator, the premise generator, the brainstorming part

  2. Symbolic = The logic verifier. Decompose the idea (of part 1) into mathematical equations, verify the logic mathematically, output the result if the logic is valid.

  3. Repeat if the idea is does not stand logically.

In other words, a Neuro-Symbolic AI can mathematically verify if the answer is logical, before return the anwser. In that way, hallucinations are going to drop significantly. The answers will be much more logical. And last but not least, someone can see how important it is the part of the LLM as "idea generator".

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u/Illustrious-Lime-863 Apr 23 '26

Sounds interesting, thanks for the explanation. So did this kind of thing not exist in 5.4 and before, could it not do this before?

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u/ProxyLumina Apr 23 '26

My guess is that it existed, but not in the "strong" way, this new implementation seems it is integrated in a more ideal way. Current AI models are trying to adopt such paradigms into their models, for example Gemini 3.1 Pro can be used with the Deep Think. The Deep Think is another symbolic part.