Sixteen Claude Agents Built a C Compiler Without Human Intervention... Almost
In an effort to probe the limits of autonomous software development Anthropic used sixteen Claude Opus 4.6 AI agents to build a Rust-based C compiler from scratch. Working in parallel on a shared repository, the agents coordinated their changes and ultimately produced a compiler capable of building the Linux 6.9 kernel across x86, ARM, and RISC-V, as well as many other open-source projects.
Google Explores Scaling Principles for Multi-agent Coordination
Google Research tried to answer the question of how to design agent systems for optimal performance by running a controlled evaluation of 180 agent configurations. From this, the team derived what they call the “first quantitative scaling principles for AI agent systems”, showing that multi-agent coordination does not reliably improve results and can even reduce performance.
OpenAI Launches Frontier, a Platform to Build, Deploy, and Manage AI Agents Across the Enterprise
OpenAI Frontier is an enterprise platform for building, deploying, and managing AI agents, designed to make AI agents reliable, scalable, and integrated into real company systems and workflows.
Rivet Launches the Sandbox Agent SDK to Solve Agent API Fragmentation
Rivet Sandbox Agent SDK provides a universal API for coding agents, allowing developers to work with different agent runtimes like Claude Code, Codex, OpenCode, and Amp without rewriting their integration for each one. It addresses the fragmentation across agent APIs, session handling, and streaming formats that has historically made agent integrations complex and difficult to maintain.
OpenAI Codex-Spark Achieves Ultra-Fast Coding Speeds on Cerebras Hardware
In a major shift in its hardware strategy, OpenAI launched GPT-5.3-Codex-Spark, its first production AI model deployed on Cerebras wafer-scale chips rather than traditional Nvidia GPUs. The new model offers delivers improved throughput and low-latency, enabling a real-time, interactive coding experience, says the company.