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Jason Yosinski

@jasonyo

Running experiments Apical + @ml_collective.

Prev: @Windscape_AI, @OpenAI, Uber AI Labs founding team, adviser @RecursionPharma, Cornell, Montreal, Caltech 🌻
San Francisco, CA yosinski.com Joined February 2008
958 Following 6.9K Followers 1.5K Posts

Latest posts 5

Jason Yosinski @jasonyo
We just posted a blog + paper on a a simple but effective approach to model honesty called "Confessions"

TL; DR: normal RL training rewards for high performance on a task. Confession training is a separate phase that rewards only for honesty. Test look promising!

More:
OpenAI Verified account @OpenAI Dec 3, 2025
In a new proof-of-concept study, we’ve trained a GPT-5 Thinking variant to admit whether the model followed instructions.

This “confessions” method surfaces hidden failures—guessing, shortcuts, rule-breaking—even when the final answer looks correct.
openai.com/index/how-conf…
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Jason Yosinski @jasonyo
Help send a bunch of researchers to DL Indaba this year! For less than one H100 we can send 25 people!
The opportunity gap in AI is more striking than ever. We talk way too much about those receiving $100M or whatever for their jobs, but not enough those asking for <$1k to present their work.

For 3rd year in a row, @ml_collective is raising funds to support @DeepIndaba attendees.
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