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importantSYS.SOURCE: Reflection AI• 2026-10-05T19:16:35Z

Reflection Introduces Beam: A 501B-Parameter Open-Weight Model for Coding and Reasoning

#ai model#open weight#coding#reinforcement learning#model efficiency

Reflection introduces Beam, a 501B-parameter open-weight model optimized for coding, reasoning, and agentic workloads through advanced pretraining and high-compute reinforcement learning. It achieves competitive performance with frontier inference efficiency, using 3-4× less compute than larger models like Qwen 3.8-Max.

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> WAZZA PHISHKIT EXPLOITS MULTI-STAGE ROUTING TO TARGET CRITICAL SECTORS IN MULTIPLE REGIONS> 16 MALICIOUS FIREFOX EXTENSIONS IMITATING RABBY AND OKX WALLETS STEAL CRYPTOCURRENCY RECOVERY PHRASES> OPENAI WITHDRAWS THREE MATHEMATICS PAPERS DUE TO SIGN ERROR IN KEY ARGUMENTS> U.S. OFFERS $10 MILLION REWARD FOR INFORMATION ON ZHANG YU LINKED TO HAFNIUM CYBERATTACKS> MONSTERCLOUD OWNER CHARGED WITH RANSOM FRAUD AND WIRE FRAUD SCHEME> DECENTRALIZED DATA INFRASTRUCTURE: HIGH-LEVEL APPLICATIONS USING PEER-TO-PEER PROTOCOLS> RECREATING CLASSIC PC DEMOSCENE DEMOS IN BROWSER VIA X86 EMULATION> INDIA DENIES ELON MUSK'S DISCRIMINATION ALLEGATIONS AGAINST STARLINK LAUNCH> COMPROMISED TENSORLAKE NPM PACKAGE EXPLOITED TO DISTRIBUTE SHAI-HULUD CREDENTIAL-STEALING WORM> TERENCE TAO'S VISION FOR MATH 2.0: HOLISTIC EVALUATION OF MATHEMATICAL PROGRESS> WAZZA PHISHKIT EXPLOITS MULTI-STAGE ROUTING TO TARGET CRITICAL SECTORS IN MULTIPLE REGIONS> 16 MALICIOUS FIREFOX EXTENSIONS IMITATING RABBY AND OKX WALLETS STEAL CRYPTOCURRENCY RECOVERY PHRASES> OPENAI WITHDRAWS THREE MATHEMATICS PAPERS DUE TO SIGN ERROR IN KEY ARGUMENTS> U.S. OFFERS $10 MILLION REWARD FOR INFORMATION ON ZHANG YU LINKED TO HAFNIUM CYBERATTACKS> MONSTERCLOUD OWNER CHARGED WITH RANSOM FRAUD AND WIRE FRAUD SCHEME> DECENTRALIZED DATA INFRASTRUCTURE: HIGH-LEVEL APPLICATIONS USING PEER-TO-PEER PROTOCOLS> RECREATING CLASSIC PC DEMOSCENE DEMOS IN BROWSER VIA X86 EMULATION> INDIA DENIES ELON MUSK'S DISCRIMINATION ALLEGATIONS AGAINST STARLINK LAUNCH> COMPROMISED TENSORLAKE NPM PACKAGE EXPLOITED TO DISTRIBUTE SHAI-HULUD CREDENTIAL-STEALING WORM> TERENCE TAO'S VISION FOR MATH 2.0: HOLISTIC EVALUATION OF MATHEMATICAL PROGRESS