--- format: "aidr-story-markdown/v1" id: "c9a6184923cc1a5837b490017ed569bb9f0183f7b39ff2df0ab9b46fbcc327c4" canonical_url: "https://aidr.today/c9a61849?lang=en" title: "Welcome Beam: a 501B open model you can own, customize, and scale" lang: "en" requested_lang: "en" available_langs: ["en","vi"] translation_fallback: null fallback_fields: [] published_at: "2026-10-16T00:00:00.000Z" category: "Open Source" topics: ["open-source","agent","devtools","llm"] source_urls: ["https://huggingface.co/blog/reflection-beam","https://aws.amazon.com/blogs/machine-learning/introducing-reflection-beam-an-open-weight-model-for-agentic-coding-on-aws/","https://x.com/reflection_ai/status/2111079965529968798","https://x.com/ben_burtenshaw/status/2111080537242869835","https://x.com/mervenoyann/status/2111083082031976572","https://huggingnews.com/ai/reflection-ai-open-sources-beam-coding-model-with-501b-parameters-e822d9e7","https://marketbrief.now/ai/reflection-ai-open-sources-beam-coding-model-with-501b-parameters-e822d9e7","https://x.com/brandondamos/status/2111083376299880881"] summary: "No summary is available." --- # Welcome Beam: a 501B open model you can own, customize, and scale > [Open the canonical story]() **Published:** 2026-10-16T00:00:00.000Z **Category:** Open Source **Topics:** open\-source, agent, devtools, llm ## Summary No summary is available\. ## Sources - [Story source]() - [Story source]() - [Story source]() - [Supporting source]() - [Supporting source]() - [Story source]() - [Story source]() - [Story source]()