Open Source

Tencent Hunyuan open-sources Hy Memory 2.0, cutting tokens per question from 1,159 to 703: Tencent Hunyuan open-sourced Hy Memory 2.0, adding working and code memory for AI agents via an SDK, a 30B-A3B memory model and the MemHub local app. Tencent reports 72.6% on LoCoMo and a cut in tokens per question from 1,159 to 703.

AI Agents • Pandaily

Reflection AI releases Apache 2.0-licensed weights for Beam, a 501B-parameter model: Reflection AI released Apache 2.0-licensed weights for Beam, a 501B-parameter model. The model was trained with reinforcement learning that penalized unnecessary tokens. The company is pitching Beam against Chinese open models used by many U.S. companies.

Open Source AI • Techmeme

Ant Group open-sources Ling-3.1-flash, a 560B-parameter AI model: Ant Group released the weights of Ling-3.1-flash, allowing developers to deploy the AI model on their own infrastructure. The model has about 560 billion total parameters, activates about 25 billion per token, and supports a context window of up to one million tokens.

AI Models • TechNode

Perplexity open sources SPACE AI agent sandbox, CoreWeave, Akamai and Crusoe to offer it: Perplexity open sourced SPACE, its AI agent sandbox, and said partners including CoreWeave, Akamai and Crusoe agreed to offer SPACE to customers. Perplexity told Semafor it is giving away software used to combat rogue AI agents.

AI Agents • Techmeme

Kunlun Tech releases open-source Matrix-Game 4.0 for one RTX 5090: Kunlun Tech released Matrix-Game 4.0 on October 15, an open-source system combining a game engine with real-time AI video rendering on a single consumer graphics card. The company says it delivers 480p gameplay at 60 fps on an Nvidia RTX 5090 with input-to-response latency below 150 milliseconds.

AI Gaming • TechNode