{"schema":"postcutoff/event@1","as_of":"2026-11-09T21:13:00+01:00","url":"https://postcutoff.com/e/2026-11-02-memdoor-five-qwen-agents-beat-fable-5-livecodebench/","md":"https://postcutoff.com/e/2026-11-02-memdoor-five-qwen-agents-beat-fable-5-livecodebench/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2026-11-02-memdoor-five-qwen-agents-beat-fable-5-livecodebench","date":"2026-11-02","date_precision":"day","short_title":"Memdoor: a team of five Qwen3.8-27B agents beats Fable 5 on ten LiveCodeBench Hard problems (open-source harness, HN 442 pts)","deck":null,"takeaway":null,"category":"open-source","category_label":"Open source","importance":2,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":[{"n":1,"title":"GitHub: guregodevo/memdoor","url":"https://github.com/guregodevo/memdoor","type":"code","group":"primary","domain":"github.com"},{"n":2,"title":"GVS5H (original harness)","url":"https://github.com/slee-persis/GVS5H","type":"code","group":"primary","domain":"github.com"},{"n":3,"title":"Hacker News discussion","url":"https://news.ycombinator.com/item?id=50320995","type":"discussion","group":"reactions","domain":"news.ycombinator.com"}],"official":2,"filed":"2026-11-08","updated":"2026-11-08","orgs":["Memdoor"],"title":"Memdoor: a team of five Qwen3.8-27B agents beats Fable 5 on ten LiveCodeBench Hard problems (open-source harness, HN 442 pts)","summary":"The open-source coding-agent harness Memdoor reproduced the GVS5H multi-agent workflow and reported that five Qwen3.8-27B agents solved a mean 9.8 of the first 10 LiveCodeBench Hard problems (5 passes) versus 8.0 for a single Fable 5 call; the original authors reported 92.4 vs 90.4 on their full 100. Small sample, self-reported, all runs published.","key_facts":["10 problems x 5 passes: Memdoor 9.8/10, GVS5H authors' harness 9.6, Fable 5 single call 8.0","GVS5H authors' full-100 result: 92.4 vs 90.4","Apache-2.0 Go binary; GitHub ~380 stars by Nov 8; HN 442 points (Nov 2)"],"key_numbers":[],"tags":["agents","harness","open-weights","coding","benchmark"],"science":null,"body_md":"","disputed":[],"related":[],"people":[],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-11-08","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-11-08","run":null,"sources_read":null,"updated":"2026-11-08","human_review":null,"version":{"date":"2026-11-08"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":186,"in_training_data":false},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":125,"in_training_data":false},{"model_id":"gemini-4-argon","name":"Gemini 4 Argon","cutoff":"2026-03","days_after":216,"in_training_data":false},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":155,"in_training_data":false}],"short_url":null}