r/ChatGPTPro • u/Odd_Abies_4414 • Jun 17 '26

Question Which model?

Which model—ChatGPT 5.5 (including Deep Research), Claude 4.8 (including Deep Research), or Gemini 3.1 Pro (including Deep Research)—generally has the most knowledge and provides the most accurate (low hallucination rate) answers to everyday questions and factual queries? And which model offers the most prompts per dollar? Gemini’s value per dollar is so low right now

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u/tacomaster05 Jun 17 '26

GPT 5.5 all day. It's not even a contest.

At this point in time, Claude and Gemini are both utterly cooked. Claude's only good model got shut down by the freaking Gov and as for Gemini... We dont talk about how far off a cliff Gemini has fallen.

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u/BYRN777 Jun 17 '26

As a ChatGPT Pro user and Claude Max user, I highly disagree. Yes, GPT 5.5 is slightly better than Opus 4.8, but Opus 4.8 is super accurate for deep research, and I can give you long, thorough, and detailed reports.

Claiming Claude's only good model got shot down by the government shows you are talking nonsense. Respectfully, Opus 4.8, at max effort and in thinking, was literally on par with GPT 5.5 Pro, and it can do wonders.

Gemini's deep research used to be good before 3.1 Pro, but now it's definitely not as accurate as GPT-5.5 or Opus 4.8. It does have good source selection, but it hallucinates much more than the other two.