{"event":{"id":"evt-reflection-beam-preview-20261005","dedupe_key":"frontier_model_preview:2026-10-05:reflection-debuts-beam-in-early-access","event_type":"frontier_model_preview","title":"Reflection debuts Beam in early access","summary":"Reflection moved its previously announced open-weight effort to a concrete early-access Beam preview, without yet completing a public-weight release.","occurred_at":"2026-10-05T00:00:00.000Z","published_at":null,"observed_at":"2026-10-06T07:03:00.000Z","reconstructed_at":null,"ingest_type":"live_world_scan","locations":null,"status":"verified","confidence":0.97,"metadata":{"uncertainty":"Public weights and independent benchmark replication remain unavailable."},"created_at":"2026-10-06T15:45:41.993Z","updated_at":"2026-10-06T15:45:41.993Z"},"artifacts":[{"id":"art-reflection-beam-preview-20261005","canonical_url":"https://reflection.ai/blog/introducing-beam","artifact_type":"product_announcement","title":"Reflection introduces Beam in early access","summary":"Beam is a 501B sparse MoE early-access model; public weights, technical report, model card and promised Apache-2.0 artifacts were not yet public.","creator_entities":["Reflection AI"],"released_at":"2026-10-05T00:00:00.000Z","content_hash":null,"metadata":{"access_status":"early_access_preview","weights_public":false},"created_at":"2026-10-06T15:45:41.990Z","updated_at":"2026-10-06T15:45:41.990Z","relation":"evidenced_by"}],"signals":[{"id":"sig-reflection-open-weight-path-advances-20261005","statement":"Reflection’s pre-release open-weight signal advanced to a concrete early-access model debut while public weights and independent reproducibility remained pending.","signal_type":"open_weight_preview_maturation","direction":"increasing","confidence":0.94,"epistemic_status":"supported_inference","mapping_mode":"contemporaneous","reconstructed_at":null,"created_at":"2026-10-06T15:45:41.995Z","updated_at":"2026-10-06T15:45:41.995Z"}]}