AX is Google's open-source, Kubernetes-based orchestrator (Go, Apache-2.0) that runs agent workloads as sandboxed, declaratively configured tasks at cluster scale. Facts below verified as of 2026-09-21. **AX is the first orchestration entrant in this category that treats agents as a datacenter workload class rather than a desktop session problem, and its kubectl-style interface is the tell: it wants to be the Kubernetes of agents, not another dashboard.** ## What it is A cluster control plane with four YAML primitives: **Task** (a sandboxed agent run with CPU and memory limits), **Workspace** (pre-wired git repos, MCP servers, and skill packages), **Gateway** (an outbound network allowlist), and **Model** (provider config and secrets in one manifest). Everything is `ax.io/v1alpha1` manifests applied with `ax apply`, watched with `ax watch`, and inspected with `ax ssh`, and idle tasks checkpoint and resume in about a second. It runs on top of Agent Substrate (also Apache-2.0), a compute runtime built for dense, stateful actor lifecycles, and it explicitly targets billions of tasks per cluster. ## Status Active and newly prominent: the repo was created 2026-03-30, but its public arrival was the 450-point HN thread as of 2026-09-21 (414 when first fetched on launch day 2026-09-20), and v0.3.0 shipped the same day. About 3,940 stars as of 2026-09-21, with the README carrying an explicit warning that core concepts, protocols, and specifications will see major breaking changes before a stable release. The site says it was born at Google from agentic-runtime research, though HN commenters caution that the Google label covers a team project, not a product line. ## Strengths - **Declarative fleet management is the differentiator**: network fencing, workspace pre-wiring, and model rotation as reviewable YAML, which no desktop dashboard in this category offers. - Sub-second suspend and resume turns idle waiting (model responses, human approvals) into reclaimed compute instead of billed sandbox time. - Generative workspaces let you describe an environment in plain English and have an agent prepare it before the task starts. - A kubectl-style CLI means the operational skill transfer is real for anyone who already runs clusters. ## Cautions - **This is cluster infrastructure, not a developer tool**: you need Kubernetes, ko, a container registry, and Agent Substrate to run anything, so it is a category error to compare it directly with Conductor or Paseo. - Pre-stable by its own warning, with major breaking changes promised before 1.0. - The name collides with Ax (axllm.dev), a DSPy-style framework, so search results mix them. - HN commenters raise the Google graveyard question and note the branding is loose, so durability depends on the team, not a Google roadmap. ## Pricing Free and open source under Apache-2.0; you pay for your cluster and your model bills. No hosted tier exists. ## Compared to - [Omnara](../omnara/index.md): the developer-scale control plane; Omnara supervises agents you already run from a dashboard and phone, AX schedules sandboxes for them at fleet scale. - [Gas Town](../gastown/index.md): the single-machine supervision hierarchy; both put oversight above sessions, but Gas Town is a town on your laptop and AX is a datacenter primitive. - Plain Kubernetes Jobs: the incumbent answer; AX argues agents need checkpoint-resume, network fencing, and warm workspaces that batch jobs never grew. ## Bottom line **Recommended for teams running agent fleets as production or research infrastructure who already operate Kubernetes.** Not for developers who want a desktop app supervising a handful of sessions; pick Conductor, Paseo, or Omnara for that. ## Changes - 2026-09-21 - Created from the same-day entrant resolution (414-point HN launch thread on 2026-09-20). ## See also - [Omnara](../omnara/index.md) - the developer-scale control plane this contrasts with - [Gas Town](../gastown/index.md) - the single-machine counterpart in the supervision story - [Orchestration Feature Matrix](../orchestration-feature-matrix/index.md) - the category comparison this column joins - [Agentic Coding Tools Landscape](../../agentic-coding-tools-landscape/index.md) - where orchestration sits in the map ## References - https://github.com/google/ax - repository, Apache-2.0, about 3,940 stars, Go, created 2026-03-30 (GitHub API, 2026-09-21) - https://agentexecutor.io - official site: Task, Workspace, Gateway, and Model primitives, suspend/resume, Agent Substrate relationship - https://raw.githubusercontent.com/google/ax/HEAD/README.md - quick start, kubectl-style CLI, and the pre-stability warning - https://github.com/google/ax/releases/tag/v0.3.0 - latest release, published 2026-09-20 (GitHub API) - https://github.com/agent-substrate/substrate - the runtime underneath AX, Apache-2.0, about 2,368 stars (GitHub API, 2026-09-21) - https://hn.algolia.com/api/v1/items/49780797 - the launch thread (450 points as of 2026-09-21) and its skepticism (Google graveyard, branding, name collision)