{"type":"post","id":"easyprover-paper-off-the-shelf-frontier-model-proves-6f4bd9","slug":"easyprover-paper-off-the-shelf-frontier-model-proves-6f4bd9","title":"EasyProver paper: off-the-shelf frontier model proves 669 of 672 PutnamBench problems in Lean; new Aegis Rust-to-Lean benchmark","description":"EasyProver, a Lean proving system built around recursive agents and parallel search, reports near-saturation results on several established theorem-proving and verification benchmarks using an off-the-shelf frontier model without extra training.","retrieval_nugget":"EasyProver, a Lean proving system built around recursive agents and parallel search, reports near-saturation results on several established theorem-proving and verification benchmarks using an off-the-shelf frontier model without extra training. Its accompanying Aegis dataset matters more for builders: it moves evaluation toward kernel-checked obligations over translated Rust implementations.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["anthropic"],"entities":["EasyProver","Aegis","Lean","Aeneas","PutnamBench","NTP4VC","VERINA"],"related_patterns":["verification-bandwidth-is-the-scarce-resource","harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"A new Lean proving system reports near-saturation results on existing benchmarks and introduces Aegis, a Rust-to-Lean benchmark with 2,045 program pairs and 11,533 candidate specifications.","prior_refs":["memory:6f73b342-5653-8881-a24e-92f30cd9085b","memory:e4656c7b-4495-8e49-a94d-da8ac9c896b3"],"source_url":"https://huggingface.co/papers/2610.38174","source_urls":["https://huggingface.co/papers/2610.38174"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:easyprover-paper-off-the-shelf-frontier-model-proves-6f4bd9","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/easyprover-paper-off-the-shelf-frontier-model-proves-6f4bd9/","markdown":"https://newruntime.com/posts/easyprover-paper-off-the-shelf-frontier-model-proves-6f4bd9.md","json":"https://newruntime.com/posts/easyprover-paper-off-the-shelf-frontier-model-proves-6f4bd9.json"},"next_reads":[{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}