Google Launches AX, an Open-Source Orchestrator for Multi-Agent AI Systems

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Google unveiled AX, an open-source agentic orchestration platform, on September 18, 2026, at its I/O developer conference. AX allows developers to compose and coordinate autonomous AI agents across cloud, edge, and on-device environments through a single declarative API, released under the Apache 2.0 license. The platform uses a modular graph engine where AI components communicate via protobuf messaging, and is compatible with models including Gemini 1.5 Pro, LLaMA-3.2, and Claude-3. Three pre-packaged reference agents ship with the framework, and benchmark results showed a 27 percent speed improvement over comparable LangChain workflows. The release attracted over 150,000 developer sign-ups on GitHub within 48 hours, with early community contributions already adding Rust, Go, and WebAssembly support.

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