# Rivet.dev vs Stakpak

Rivet.dev records 21,359 monthly visits with -44.3% month-over-month growth and Freemium, Contact for Pricing pricing. Stakpak records 633 monthly visits with -46.3% growth and Freemium pricing.

| Metric | [Rivet.dev](https://openaitools.app/tool/rivet-dev) | [Stakpak](https://openaitools.app/tool/stakpak-dev) |
| :--- | :--- | :--- |
| Website URL | https://rivet.dev | https://stakpak.dev |
| Categories | AI Agent, AI Workflow, AI Developer Tools, AI App Builder | AI Agent, AI Developer Tools, Open Source AI Models, AI Copilot |
| Pricing Model | Freemium, Contact for Pricing | Freemium |
| Monthly Visits | 21,359 | 633 |
| MoM Growth Rate | -44.3% | -46.3% |
| Primary Market | United States | Egypt |
| Direct Visits | 10,710 | 253 |
| Review Score | 4.5 | 4.6 |
| Saved Count | 0 | 0 |
| Supported Platforms | Website | Website |

## Rivet.dev

At its core Rivet replaces the container per agent with an in-process primitive. An Actor runs inside your existing Node.js or Bun backend rather than in its own container or VM, which is why Rivet reports cold starts measured in single-digit milliseconds and a footprint of tens of kilobytes per Actor instead of hundreds of megabytes. Each Actor carries a SQLite database for memory, can access a filesystem and shell, sleeps when idle, and wakes with its durable state ready for the next request.

The platform handles the operational pieces teams usually build themselves: fault tolerance that reschedules Actors when a node goes down, multi-region placement that routes requests to wherever an Actor currently lives, end-to-end type safety where Actor definitions generate client types, and scheduling via cron or self-set timestamps. Storage is pulled apart into two tiers — a fast SSD for instant writes and object storage that settles writes at a fraction of the cost — so running many small databases stays affordable.

Rivet positions itself as infrastructure for the "agentic era" and can be deployed as a managed cloud, inside your own VPC through a bring-your-own-cloud model, or fully self-hosted down to air-gapped networks. It is open source under Apache 2.0, backed by Y Combinator and a16z Speedrun, and integrates with popular coding agents and frameworks.

**Pricing & Plans:** Rivet Cloud uses a plan-plus-nodes model. The control plane is Free ($0) for prototyping, Hobby at $10/month, Team at $120/month, and Enterprise at $900/month, each raising control-plane redundancy, Actor Node caps, and support. Actor Nodes are billed per month on top, from $4.20 (R-5) to $94.50 (R-160). Self-hosting is free and open source under Apache 2.0, and startups from Y Combinator or a16z Speedrun get 50% off the Team plan for 12 months.

- **Durable actors with persistent state:** Every Actor gets a SQLite database and a filesystem, so an agent's memory and progress survive restarts and idle periods without a separate database.
- **Lightweight secure sandboxing:** Run untrusted or AI-generated code on your own infrastructure with fine-grained control over network access, filesystem permissions, and resource limits.
- **Fault tolerance and workflows:** A node failure reschedules its Actors elsewhere with state intact, and multi-step work replays after a crash — with no checkpointing harness to build yourself.
- **Realtime and multiplayer:** Address an Actor directly over HTTP or hold a live WebSocket, and use the React SDK to subscribe components to an Actor's state in real time.
- **One-binary deployment and observability:** Ship with a single stateless Rust binary, embeds storage in S3-compatible buckets, and emits OpenTelemetry traces, metrics, and logs to your existing collector.

**Strengths:** Four-digit millisecond cold starts and a very small per-Actor memory footprint let a single server host far more agents; Open source (Apache 2.0) with a single Rust binary, so it can be self-hosted, run in a VPC, or air-gapped; Durable state via per-Actor SQLite plus object-storage-backed tiers keeps agents restart-safe and cheap; Strong developer ergonomics: typed SDKs, a React SDK, WebSocket networking, and OpenTelemetry baked in

**Limitations:** Requires Node.js or Bun and a working Rust-based control plane deployment for self-hosting, so it favors backend engineers over no-code users; Advanced durability and sandboxing concepts (Actors, WarpDrive storage) carry a learning curve; Managed cloud cost scales with Actor Nodes, which can climb for many mid-sized/sized nodes; Enterprise features like multi-tenancy and hardened compliance guidance sit behind sales conversations

[Profile (Markdown)](https://openaitools.app/tool/rivet-dev.md)

## Stakpak

Stakpak is an open-source AI agent for running production infrastructure. Rather than a chatbot that suggests commands, it is a long-running process that lives on your own machines, watches your applications, and acts when something goes wrong. You install it as a single Rust binary, run stakpak init to let it discover your stack and generate an APPS.md manifest, then stakpak up and it runs in the background — scheduling checks, taking action and messaging you only when a human decision is genuinely required.

The scenarios it targets are the ones that ruin sleep: a health check fails at 3am, the agent finds 312 idle database connections, restarts the service, confirms latency dropped from 340ms to 12ms and posts a summary to Slack. Over longer horizons it runs a cost watchdog that spots idle RDS instances and orphaned EBS volumes and recovers real monthly spend, and it defuses time bombs like expiring TLS certificates, stale secrets and end-of-life runtimes.

The trust model is the differentiator. A coding agent that gets a command wrong produces a bad commit; an agent with production access that gets it wrong causes downtime or a five-figure bill. So Stakpak routes every network request — curl, Python, or MCP servers — through a Cedar-policy transparent proxy called Warden, detects and substitutes over 210 types of secrets before anything reaches a model provider, and keeps a full session audit log that lets you replay or roll back any change. It is Apache 2.0 licensed and written in Rust, and it is model-agnostic: use the unified LLM Gateway for one-wallet billing across Claude, GPT, Gemini and Mistral, or bring your own keys and run models locally.

**Pricing & Plans:** Open Source is free forever (Apache 2.0, bring your own keys). Hacker is $15/mo for 3 apps, Builder $45/mo for 10 apps, Team $450/mo for 50 apps with unlimited users, and Enterprise is custom. Extra apps cost $5/app/month and each paid tier bundles LLM Gateway credits.

- **24/7 auto-healing:** When a health check fails, the agent investigates — checking metrics, finding idle database connections, restarting the service, verifying the rollout — then posts a summary of what it did and how long it took.
- **Cloud cost watchdog:** Scheduled scans surface idle RDS instances and orphaned EBS volumes, quantify the waste in a report and can recover meaningful monthly spend before finance notices.
- **Expiry and drift defence:** Upcoming TLS expiries, stale secrets, deprecated APIs and end-of-life runtimes are caught and renewed ahead of time, with zero-downtime rollouts.
- **Single binary, runs on your machine:** A single Rust binary installs as a system service and persists across reboots, combining scheduling, messaging and a local API. It works with Claude, GPT, Gemini and Mistral, or your own model running locally.
- **Warden sandbox and audit logs:** Network requests go through a Cedar-policy sandbox, 210+ secret types are swapped for placeholders before reaching a model, and every command, edit and change is fully logged and replayable.
- **Slack, Telegram and Discord triggers:** Outcomes are reported to Slack, Telegram or Discord per agent, and only escalated to a human when the agent genuinely needs a decision.

**Strengths:** Genuinely open source (Apache 2.0) and runs entirely inside your own environment; Real production risk controls: Cedar network sandbox, secret substitution and replayable audit logs; One binary, no Kubernetes or control-plane sprawl to operate; Model-agnostic with a unified gateway or your own keys and local models

**Limitations:** Autopilot adds a long-running agent process with real production access, so misconfigured triggers carry real risk; Per-app subscription maths only makes sense once you manage several applications; Setup requires comfort with a terminal, system services and IaC concepts; The team is joining Vercel, so road-map and licensing direction may shift

[Profile (Markdown)](https://openaitools.app/tool/stakpak-dev.md)

## Frequently Asked Questions

### How do Rivet.dev and Stakpak compare in monthly traffic?

Rivet.dev has 21,359 monthly visits, while Stakpak has 633. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Rivet.dev has a month-over-month growth rate of -44.3%; Stakpak has -46.3%.

### How does pricing compare?

Rivet.dev: Freemium, Contact for Pricing. Rivet Cloud uses a plan-plus-nodes model. The control plane is Free ($0) for prototyping, Hobby at $10/month, Team at $120/month, and Enterprise at $900/month, each raising control-plane redundancy, Actor Node caps, and support. Actor Nodes are billed per month on top, from $4.20 (R-5) to $94.50 (R-160). Self-hosting is free and open source under Apache 2.0, and startups from Y Combinator or a16z Speedrun get 50% off the Team plan for 12 months. Stakpak: Freemium. Open Source is free forever (Apache 2.0, bring your own keys). Hacker is $15/mo for 3 apps, Builder $45/mo for 10 apps, Team $450/mo for 50 apps with unlimited users, and Enterprise is custom. Extra apps cost $5/app/month and each paid tier bundles LLM Gateway credits.

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Source: https://openaitools.app/compare/rivet-dev-vs-stakpak-dev

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