{"type":"post","id":"reflection-released-beam-a-501b-parameter-moe-with-d3b81d","slug":"reflection-released-beam-a-501b-parameter-moe-with-d3b81d","title":"Reflection released Beam , a 501B-parameter MoE with 23B active, under Apache 2.0.","description":"Thesis: Beam’s release makes model access and variant choice the immediate builder-facing change, while the supplied evidence does not establish deployment readiness.","retrieval_nugget":"Thesis: Beam’s release makes model access and variant choice the immediate builder-facing change, while the supplied evidence does not establish deployment readiness.","published_at":"2026-10-16","updated_at":"2026-10-16","record_date":"2026-10-16","date_kind":"published_at","topics":["models","open-models","open-source"],"source_urls":["https://huggingface.co/reflection"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:reflection-released-beam-a-501b-parameter-moe-with-d3b81d","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:38146abc82110bc0bff5bcad1404befc2380c2019fefecaa2cccdcfb6cabb27a","reviewed_at":"2026-10-16T23:04:31.389Z","source_evidence_count":1,"verified_claim_count":4,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":4,"implication_count":2,"watch_condition_count":1,"related_record_count":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"Beam’s release makes model access and variant choice the immediate builder-facing change, while the supplied evidence does not establish deployment readiness.","observed_facts":[{"text":"Reflection’s Hugging Face organization describes Beam 1.0 as its first open-weight model for coding, reasoning, and agentic tasks.","source_urls":["https://huggingface.co/reflection"]},{"text":"The Beam 1.0 collection lists a 501-billion-parameter base model and FP8, NVFP4, and DFlash2 entries.","source_urls":["https://huggingface.co/reflection"]},{"text":"The listed model repositories are not gated on Hugging Face.","source_urls":["https://huggingface.co/reflection"]},{"text":"The supplied release description reports 23 billion active parameters.","source_urls":["https://huggingface.co/reflection"]}],"mechanism":"The collection exposes multiple repository entries, giving builders distinct model variants to inspect rather than a single undifferentiated artifact.","why_now":"This release gives builders a concrete artifact to inspect and compare, rather than only a forward-looking announcement about a model.","implications":["Teams can begin assessing which listed variant, if any, fits their tooling and resource constraints.","Open access to listed repositories does not by itself establish deployment readiness or model quality."],"evidence_boundary":"The supplied page does not establish benchmark performance, hardware requirements, license terms, or hosted inference availability.","watch_conditions":["whether Reflection or independent evaluators publish reproducible quality and deployment evidence for the variants"],"related_records":[],"new_branch_reason":"No prior New Runtime record was supplied for Beam; adjacent model-release material is not evidence of an existing Beam record."},"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/reflection-released-beam-a-501b-parameter-moe-with-d3b81d/","markdown":"https://newruntime.com/posts/reflection-released-beam-a-501b-parameter-moe-with-d3b81d.md","json":"https://newruntime.com/posts/reflection-released-beam-a-501b-parameter-moe-with-d3b81d.json"},"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":"topic","path":"/topics/open-models/","url":"https://newruntime.com/topics/open-models/","title":"Open Models","reason":"Explore the open-models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/open-models.md","json_url":"https://newruntime.com/topics/open-models.json"},{"type":"topic","path":"/topics/open-source/","url":"https://newruntime.com/topics/open-source/","title":"Open Source","reason":"Explore the open-source topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/open-source.md","json_url":"https://newruntime.com/topics/open-source.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":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}