{"slug": "reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-compute", "title": "Reflection’s Beam trails top open models on coding tests but claims lower inference compute", "summary": "Reflection AI has built Beam, a 501-billion-parameter open-weight model for coding and agent tasks, and plans to publish the weights under an Apache 2.0 license later this month. Beam uses a mixture-of-experts design in which 23 billion parameters fire per token, which Reflection AI says lowers inference compute, though the model trails the top open models on coding tests.", "body_md": "Reflection AI has built Beam, a 501-billion-parameter open-weight model for coding and agent tasks, and plans to publish the weights under an Apache 2.0 license later this month. Open-weight means developers can download the trained model and run it on their own hardware. Beam uses a mixture-of-experts design, so 23 billion of its parameters fire for any given token, which keeps the cost of each answer down. Beam does not lead the open field on … [More](https://www.helpnetsecurity.com/2026/10/06/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-inference-compute/) \n\nThe post [Reflection’s Beam trails top open models on coding tests but claims lower inference compute](https://www.helpnetsecurity.com/2026/10/06/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-inference-compute/) appeared first on [Help Net Security](https://www.helpnetsecurity.com).", "url": "https://wpnews.pro/news/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-compute", "canonical_source": "https://www.helpnetsecurity.com/2026/10/06/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-inference-compute/", "published_at": "2026-10-06 05:22:28+00:00", "updated_at": "2026-10-06 05:48:03.261859+00:00", "lang": "en", "topics": ["large-language-models", "ai-research", "ai-tools", "artificial-intelligence"], "entities": ["Reflection AI", "Beam", "Apache 2.0"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-compute", "markdown": "https://wpnews.pro/news/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-compute.md", "text": "https://wpnews.pro/news/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-compute.txt", "jsonld": "https://wpnews.pro/news/reflections-beam-trails-top-open-models-on-coding-tests-but-claims-lower-compute.jsonld"}}