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On October 6 in Beijing, developers woke up to Beam, Reflection's first model intended for an open-weight release. TechCrunch's initial report appeared at 12:33 p.m. Pacific on October 5—03:33 the following morning in Beijing. The interesting development is not simply another large model.
A new crop of powerful, Western open-weight AI systems are mounting a comeback, with fresh models from Reflection and Mistral narrowing China's recent lead.Why it matters: These models and others will give businesses and governments alternatives to the closed ecosystems of OpenAI and Anthropic, as…
Mistral is launching a public preview of Mistral Large 4, a one-trillion-parameter multimodal model code-named “Le Chonk” that the Paris AI company says pushes it back toward the global open-weight frontier — with a particular focus on coding, cybersecurity, finance, manufacturing and visual…
Reflection has released Beam, its first open-weight model. The mixture-of-experts system activates just 23 billion of its 501 billion parameters per token and aims to match GLM 5.2 on coding and reasoning while using three to four times less compute.
The “DeepSeek of the West,” Reflection AI, debuts Beam as its first open model, challenging China’s dominance in open-weight AI after years of development.
The “DeepSeek of the West,” Reflection AI, debuts Beam as its first open model, challenging China’s dominance in open-weight AI after years of development.
An Nvidia-backed US start-up has unveiled an open-weight model to challenge China’s dominance in freely available artificial intelligence, releasing a system that early third-party testing suggests could be one of the most token-efficient open models in its class.
It’s been over a year since Reflection launched with us with big goals on coding (and hinted about their RL approach):
Reflection AI Inc. today introduced Beam, an open-source large language model with 501 billion parameters. The launch comes a few months after the startup raised funding at a $25 billion valuation. Around the same time, Reflection AI reportedly inked a $6.3 billion deal with SpaceX Corp.
AI coding spend is growing fast. But teams shouldn't have to choose between giving developers access to frontier intelligence and keeping token costs under control.
Reflection AI Beam is a 501B parameter open weight model. Size, Reflection's own scores, licence and when you can get it, checked 6 Oct 2026.
The top launches, skills and plugins, multi agent moves, rising repos and arguments in coding agents on 6 Oct 2026, each with its source.
Reflection AI has introduced Beam, its first open-weight model. It is a 501B sparse Mixture-of-Experts model with 23B active parameters, built for coding and agentic work. Reflection says it matches GLM-5.2 on reasoning with 3 to 4x less inference compute.
Nvidia-backed Reflection AI unveils Beam, its first open-weight model, which it says rivals GLM-5.2 on reasoning with far less inference compute. Weights are due this month.
Article URL: https://reflection.ai/blog/introducing-beam Comments URL: https://news.ycombinator.com/item?id=49969183 Points: 15 # Comments: 1
Mid-range laptops like the Lenovo Legion 5i now cost well over $2,000 or even $3,000. Good thing this one has a nice screen.
Main works on the west zone of S3FEL, Shenzhen's 2.5 GeV, 1 MHz superconducting soft X-ray free-electron laser, began on September 30, with first light planned for September 2032.
Generative AI for Recommendations: what YouTube, Netflix and Meta are Moving to, Built From Scratch A build log on real Amazon data: Semantic IDs, a small Transformer that writes the next item, and a …
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