{"artifact":{"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"},"sources":[{"id":"src-reflection-beam-20261005","name":"Introducing Beam: Reflection’s 501B open-weight model","publisher":"Reflection AI","url":"https://reflection.ai/blog/introducing-beam","source_type":"company_model_announcement","primary_or_secondary":"primary","retrieved_at":"2026-10-06T07:03:00.000Z","published_at":"2026-10-05T00:00:00.000Z","author":"Reflection AI","metadata":[],"created_at":"2026-10-06T15:45:41.983Z","updated_at":"2026-10-06T15:45:41.983Z"},{"id":"src-reuters-reflection-beam-20261005","name":"Nvidia-backed Reflection unveils first AI model to take on Chinese open models","publisher":"Reuters","url":"https://reuters.com/technology/nvidia-backed-reflection-unveils-first-ai-model-take-chinese-open-models-2026-10-05","source_type":"secondary_reporting","primary_or_secondary":"secondary","retrieved_at":"2026-10-06T07:03:00.000Z","published_at":"2026-10-05T00:00:00.000Z","author":"Reuters","metadata":[],"created_at":"2026-10-06T15:45:41.984Z","updated_at":"2026-10-06T15:45:41.984Z"}]}