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Prevent LLM Hallucinations with Trust Scoring in Nvidia NeMo Guardrails

developer.nvidia.com
2 points·by _jonas·ano passado·0 comments

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_jonas
·ano passado·discuss
Evals are critical, and I love the practicality of this guide!

One problem not covered here is: knowing which data to review.

If your AI system produces say 95% accurate responses, your Evals team will spend too much time reviewing production logs to discover different AI failure modes.

To enable your Evals team to only spend time reviewing the high-signal responses that are likely incorrect, I built a tool that automatically surfaces the least trustworthy LLM responses:

https://help.cleanlab.ai/tlm/

Hope you find it useful, I made sure it works out-of-the-box with zero-configuration required!
_jonas
·ano passado·discuss
You might be thinking of LLM as-a-judge, where one simply asks another LLM to fact-check the response. Indeed that is very unreliable due to LLM hallucinations, the problem we are trying to mitigate in the first place.

TLM is instead an uncertainty estimation technique applied to LLMs, not another LLM model.
_jonas
·ano passado·discuss
This is why I built a startup for automated real-time trustworthiness scoring of LLM responses: https://help.cleanlab.ai/tlm/

Tools to mitigate unchecked hallucination are critical for high-stakes AI applications across finance, insurance, medicine, and law. At many enterprises I work with, even straightforward AI for customer support is too unreliable without a trust layer for detecting and remediating hallucinations.
_jonas
·ano passado·discuss
Exactly, that's why my startup recommends all LLM outputs should come with trustworthiness scores:

https://cleanlab.ai/tlm/
_jonas
·ano passado·discuss
My startup is working on this fundamental problem.

You can try out our early product here: https://cleanlab.ai/tlm/

(free to try, we'd love to hear your feedback)
_jonas
·ano passado·discuss
I see this fallacy often too.

My company provides hallucination detection software: https://cleanlab.ai/tlm/

But we somehow end up in sales meetings where the person who requested the meeting claims their AI does not hallucinate ...
_jonas
·ano passado·discuss
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_jonas
·há 2 anos·discuss
Has anyone run any meaningful benchmarks of this vs. google vs. perplexity?
_jonas
·há 2 anos·discuss
This one looks pretty good, haven't tried it yet though: https://github.com/QuivrHQ/quivr
_jonas
·há 2 anos·discuss
It's fun to try and guess what semantic concepts might be captured within individual dimensions / pairs of dimensions of the embeddings space.
_jonas
·há 2 anos·discuss
Curious to learn how much harder it is to red-team models that use the second line of defense of an explicit guardrails library that checks the LLM response in a second step. Such as Nvidia's Nemo Guardrails package.
_jonas
·há 2 anos·discuss
I'm excited for LLM applications that can setup, monitor/validate, and optimize data pipelines at scale. Seems possible soon given that SQL and most data records aren't intended to be human-friendly
_jonas
·há 2 anos·discuss
It's easier to find the data now, I've run some benchmarks on it. Great to see OpenAI open-sourcing datasets like this!
_jonas
·há 2 anos·discuss
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_jonas
·há 2 anos·discuss
Here are some benchmarks I ran that compare the precision/recall of various LLM error-detection methods, including logprobs and LLM self-evaluation / verbalized confidence:

https://cleanlab.ai/blog/4o-claude/

These approaches can detect errors better than random guessing, but there are other approaches that are significantly more effective in practice.
_jonas
·há 2 anos·discuss
There is however a subfield of statistical ML of model uncertainty quantification. I've developed a product by applying to it to LLMs that can score the trustworthiness of any LLM response. Like any ML-based product, my tool is not perfect, but it can detect incorrect LLM responses with pretty high precision/recall across applications spanning RAG / Q&A, data extraction, classification, summarization, ...

I've published extensive benchmarks: https://cleanlab.ai/blog/trustworthy-language-model/

You can instantly play with an interactive demo: https://tlm.cleanlab.ai/
_jonas
·há 2 anos·discuss
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_jonas
·há 2 anos·discuss
To try out an existing product that quantifies LLM uncertainty (accurately incorporating both aleatoric & epistemic uncertainty), you can try this Trustworthy Language Model I built (after similar research):

https://tlm.cleanlab.ai/

TLM is an API you can use to quantify uncertainty of any LLM model: https://help.cleanlab.ai/tutorials/tlm/

Benchmarks showing these estimates more reliably detect bad answers & hallucinations than logprobs, LLM-as-judge, Selfcheck-GPT, etc: https://cleanlab.ai/blog/trustworthy-language-model/