{"type":"post","id":"vulcanbench-ranks-reflection-beam-far-below-frontier-models-8ecbd2","slug":"vulcanbench-ranks-reflection-beam-far-below-frontier-models-8ecbd2","title":"VulcanBench ranks Reflection Beam far below frontier models on Frontier v4 reconstruction","description":"VulcanBench reports 115 runs of Reflection Beam 1.0 in its Frontier v4 coding evaluation, with the model passing six of 23 reconstruction tasks at its best effort level.","retrieval_nugget":"VulcanBench reports 115 runs of Reflection Beam 1.0 in its Frontier v4 coding evaluation, with the model passing six of 23 reconstruction tasks at its best effort level.","published_at":"2026-11-09","updated_at":"2026-11-09","record_date":"2026-11-09","date_kind":"published_at","topics":["models"],"entities":["VulcanBench","Reflection Beam","Mirror CLI","Reflection","Frontier v4","Muse Spark 1.3","GPT-6.1 Sol"],"related_patterns":["ai-engineering-evaluations-are-splitting-into-task-specific"],"novelty_label":"new_fact","source_url":"https://vulcanbench.com/models/reflection-beam.html","source_urls":["https://vulcanbench.com/models/reflection-beam.html"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:vulcanbench-ranks-reflection-beam-far-below-frontier-models-8ecbd2","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/vulcanbench-ranks-reflection-beam-far-below-frontier-models-8ecbd2/","markdown":"https://newruntime.com/posts/vulcanbench-ranks-reflection-beam-far-below-frontier-models-8ecbd2.md","json":"https://newruntime.com/posts/vulcanbench-ranks-reflection-beam-far-below-frontier-models-8ecbd2.json"},"markdown_url":"https://newruntime.com/posts/vulcanbench-ranks-reflection-beam-far-below-frontier-models-8ecbd2.md","next_reads":[{"type":"topic","path":"/topics/models/","url":"https://newruntime.com/topics/models/","title":"Models","reason":"Explore the models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/models.md","json_url":"https://newruntime.com/topics/models.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":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}