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Rivet

Lightweight sandbox and agent orchestration powered by WebAssembly

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A developer platform for deploying and orchestrating agents and workflows, including agentOS, a WebAssembly-based sandbox and agent-orchestration stack for self-hosted and cloud runtimes.

Recent stories

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releaseSECONDARY2026-11-12

Rivet launches OpenOrange to run Cloudflare Workers on Node.js or Bun

Rivet's OpenOrange runs Cloudflare Workers on Node.js or Bun with Wrangler-compatible deployment and portable bindings. Rivet also provides live migration tooling and publishes workload cost comparisons against Cloudflare.

releasePRIMARY2026-10-26

Rivet previews 3.0 actor runtime with claimed 8ms cold starts

Rivet 3.0 previews an S3-backed actor runtime with claimed 8ms cold starts and 0.7ms SQLite writes. Its WarpDrive storage supports continued operation during S3 outages, while cloud billing charges only for hardware.

releasePRIMARY2026-10-01

Rivet reports 0.82 MB per session for its Pi integration

Rivet's Pi integration keeps the agent loop, sessions, and credentials in the backend while sandboxes provide tools. Rivet reports durable execution, shared control, and SQLite persistence alongside the 0.82 MB per-session figure.

releaseSECONDARY2026-06-25

Rivet releases agentOS v0.2.0 with WebAssembly sandboxing and 1738x cheaper claim

Rivet released agentOS v0.2.0, a Rust rewrite of its WebAssembly-based sandbox and orchestration stack with multiplayer workflows and one-prompt deployment. The release targets self-hosted and cloud agent runtimes, and Rivet claims 1738x lower cost than SaaS sandboxes.