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Rivet, a YC-backed open-source AI infrastructure startup, is hiring remote engineers to work on Rivet Actors and agentOS, with a focus on Rust, self-hosting, and customer-obsessed engineering.
OpenAI has publicly released the AGENTS.md development guide for the Codex project, covering internal specifications and governance details for the Rust codebase.
AI news roundup covering Fireworks' $15B and Baseten's $11B funding rounds, OpenRouter's $113M round, and the emerging importance of agent harness engineering over base models in coding agents.
ZCube is a new network architecture that flattens the topology and mixes single/multi-rail access to optimize KV Cache transmission in long-context and PD separation scenarios. In the GLM-5.1 production cluster, it achieved a 33% reduction in switch/optical module costs, a 15% increase in GPU inference throughput, and a 40.6% decrease in TTFT P99.
A user proposes building a heterogeneous AI cluster using Blackwell GPUs and high-memory servers connected via RDMA, seeking collaboration on Tinygrad driver development.
Microsoft and OpenAI have announced an amended partnership agreement that simplifies their collaboration, removes revenue sharing from Microsoft to OpenAI, and makes Microsoft's license to OpenAI IP non-exclusive through 2032.