Anthropic's Mythos and OpenAI's upcoming restricted cyber-capable models are central to recent discussions, with debates on their security realism and evaluation methods. LangChain's Deep Agents deploy introduces an open memory, model-agnostic agent harness architecture emphasizing open protocols and memory ownership.

Sandboxes are gaining prominence as a core infrastructure for reinforcement learning, with labs running up to 100K concurrent sandboxes aiming for 1M. The Hermes Agent by Nous continues to gain traction with new integrations and features like a web-based HUD and token cost tracking.