News for hackers. Stuff that matters.
Re:LLMs Confabulate Not Hallucinate by og_kalu on Thursday October 05, 2023 @03:46AM (#37775869)
There's Lots of evidence indicating language models roughly know when they hallucinate.

GPT-4 logits calibration pre RLHF - [https://imgur.com/a/3gYel9r](https://imgur.com/a/3gYel9r)

Just Ask for Calibration: Strategies for Eliciting Calibrated Confidence Scores from Language Models Fine-Tuned with Human Feedback - [https://arxiv.org/abs/2305.14975](https://arxiv.org/abs/2305...

Teaching Models to Express Their Uncertainty in Words - [https://arxiv.org/abs/2205.14334](https://arxiv.org/abs/2205...

Language Models (Mostly) Know What They Know - [https://arxiv.org/abs/2207.05221](https://arxiv.org/abs/2207...

It seems very much like hallucinations aren't a randomness or representation issue. The computation already knows. It just doesn't care about telling you this

Re:LLMs Confabulate Not Hallucinate by corobo on Thursday October 05, 2023 @03:51AM (#37775897)
I've been using it as a joke but if they're predicting what we want to read, is it possible they just learned to make stuff up by having internet forums in their training data?

The amount of BS we feed each other online, maybe it just thinks we'd prefer something made up than "I don't know"

Re:LLMs Confabulate Not Hallucinate by corobo on Thursday October 05, 2023 @08:33AM (#37777764)
Not sure if it came off as me saying the parent comment was BS or if what I said was just dumb. Downvotes don't explain anything, haha

For the record I wasn't saying the parent comment was BS :)

Re:LLMs Confabulate Not Hallucinate by QuadmasterXLII on Thursday October 05, 2023 @08:02AM (#37777507)
RLHF also drops GPT3.5’s chess elo from ~1800 to ~800 which i confabulate to be connected
Re:LLMs Confabulate Not Hallucinate by naveen99 on Thursday October 05, 2023 @08:58AM (#37778018)
Is this gpt3.5 Elo a modern chess.com elo ? I feel like there has been some deflation in elo in the last 2 years.
Re:LLMs Confabulate Not Hallucinate by anon291 on Friday October 06, 2023 @12:38AM (#37787152)
> It just doesn't care

Matrix multiplications cannot feel anything so of course it doesn't care. Humans care. Language models do not.

Re:LLMs Confabulate Not Hallucinate by hfhdjdks on Saturday October 07, 2023 @12:10AM (#37798945)
Also 2 == 2. You're not making an argument, you're just saying that LLMs aren't human.