Arena.ai(@arena):Standard inference time sampling methods (rejection sampling, best-of-n) can fail catastrophically as errors compound over long generations - even with a nearly-perfect verifier. @AShettyV talks through VGB (value-guided backtracking): a provably more robust fix, rooted in sampling theory. Watch the full tech talk here:

Arena.ai

@arena

Where AI meets the real world. We measure and advance the frontier of AI through community-driven evaluation. We’re hiring →

Joined March 2023

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Arena.ai@arena

2026.08.21 16:44

Standard inference time sampling methods (rejection sampling, best-of-n) can fail catastrophically as errors compound over long generations - even with a nearly-perfect verifier. @AShettyV talks through VGB (value-guided backtracking): a provably more robust fix, rooted in sampling theory. Watch the full tech talk here: