# Respond.io vs Rivet.dev

Respond.io records 1,606,802 monthly visits with -8.7% month-over-month growth and Freemium pricing. Rivet.dev records 21,359 monthly visits with -44.3% growth and Freemium, Contact for Pricing pricing.

| Metric | [Respond.io](https://openaitools.app/tool/respond-io) | [Rivet.dev](https://openaitools.app/tool/rivet-dev) |
| :--- | :--- | :--- |
| Website URL | https://respond.io | https://rivet.dev |
| Categories | AI Chatbot, AI Customer Service, AI Sales Assistant, AI Reply | AI Agent, AI Workflow, AI Developer Tools, AI App Builder |
| Pricing Model | Freemium | Freemium, Contact for Pricing |
| Monthly Visits | 1,606,802 | 21,359 |
| MoM Growth Rate | -8.7% | -44.3% |
| Primary Market | Malaysia | United States |
| Direct Visits | 1,241,500 | 10,710 |
| Review Score | 4.5 | 4.5 |
| Saved Count | 1 | 0 |
| Supported Platforms | Website | Website |

## Respond.io

Most B2C companies end up chatting with customers across half a dozen apps, and the result is missed messages, duplicated work and no single view of the relationship. Respond.io addresses that by consolidating WhatsApp, TikTok, Instagram, Facebook Messenger, Telegram, Viber, Line, email and website chat into one shared inbox. Every contact, conversation and deal lives in one place, colleagues can assign and hand off threads internally, and a built-in CRM keeps lead status, tags, custom fields and lifecycle stage attached to the person rather than to the app they messaged from.

AI is woven through the platform rather than bolted on. AI agents greet new enquiries, ask qualifying questions, route the conversation to the right team or salesperson, and take care of repetitive requests like order status or opening hours. An AI-powered contact automation layer can follow up with leads that went quiet, tag conversations automatically and trigger workflows when a customer replies. For marketing teams, broadcast campaigns and click-to-chat links on ads let one message reach thousands of customers while replies still land in a human-operated inbox with full context.

Deployment is channel-agnostic and aimed at operations rather than engineering. Businesses connect their own WhatsApp Business API number or social accounts, build workflows with a no-code builder, and add teammates with role-based permissions. Multi-channel reporting shows response times, resolution rates and campaign performance per channel, which helps teams spot where the real bottlenecks are. Pricing is freemium: a free trial and entry-level tiers exist, with paid plans scaling by number of users and monthly active contacts, and WhatsApp messaging costs handled separately by the provider.

**Pricing & Plans:** Freemium with a free trial. Paid tiers scale by users and monthly active contacts, and WhatsApp messaging fees are billed separately by the channel provider.

- **Unified team inbox:** Bring WhatsApp, TikTok, Instagram, Facebook, Telegram, email and web chat into one shared inbox so no customer thread gets lost between apps.
- **AI agents and automation:** AI agents qualify leads, answer routine questions, route to the right teammate and follow up automatically when conversations go quiet.
- **Contact lifecycle CRM:** Track tags, custom fields, lead status and lifecycle stage per contact, and move deals through a pipeline without a separate CRM.
- **Broadcast campaigns and click-to-chat:** Reach thousands of customers with one message, and capture new leads directly from social ads and website links.
- **Reporting and analytics:** Measure response and resolution times, agent workload and campaign performance across every connected channel.

**Strengths:** Genuinely broad channel coverage, including WhatsApp Business API and social apps B2C customers actually use; AI agents handle routine qualification and follow-up work alongside, not instead of, human teammates; Built-in contact CRM and pipelines reduce the need for a separate tool; Multi-channel analytics make it easier to prove where revenue comes from

**Limitations:** WhatsApp messaging costs are separate from the platform subscription and can add up; Pricing scales with monthly active contacts, so high-volume contact lists get expensive; Teams wanting deep custom workflow logic may hit the limits of the no-code builder

[Profile (Markdown)](https://openaitools.app/tool/respond-io.md)

## 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)

## Frequently Asked Questions

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

Respond.io has 1,606,802 monthly visits, while Rivet.dev has 21,359. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Respond.io has a month-over-month growth rate of -8.7%; Rivet.dev has -44.3%.

### How does pricing compare?

Respond.io: Freemium. Freemium with a free trial. Paid tiers scale by users and monthly active contacts, and WhatsApp messaging fees are billed separately by the channel provider. 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.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Intercom](https://openaitools.app/tool/intercom-com) | 4,471,110 | +2.7% | Free Trial, Paid | More advanced AI customer support agents and robust helpdesk features, but typically higher pricing than Respond.io. | [.md](https://openaitools.app/tool/intercom-com.md) |
| 2 | [Gorgias](https://openaitools.app/tool/gorgias) | 2,660,498 | +2.4% | Contact for Pricing | Purpose-built e-commerce helpdesk with deep Shopify integrations, but less generalized multi-channel routing than Respond.io. | [.md](https://openaitools.app/tool/gorgias.md) |
| 3 | [Crisp](https://openaitools.app/tool/crisp-chat) | 1,408,646 | +1.5% | Free Trial, Paid, Contact for Pricing, Free | Easier setup for live chat and shared inboxes, but less powerful automation workflow builder than Respond.io. | [.md](https://openaitools.app/tool/crisp-chat.md) |
| 4 | [AiSensy](https://openaitools.app/tool/aisensy) | 811,787 | -3.8% | Freemium | AI-first WhatsApp marketing and engagement platform built on official WhatsApp Business APIs | [.md](https://openaitools.app/tool/aisensy.md) |
| 5 | [Tidio](https://openaitools.app/tool/tidio) | 527,313 | -6.4% | Freemium | Simpler chatbot builder and e-commerce integrations, but fewer advanced multi-channel routing options than Respond.io. | [.md](https://openaitools.app/tool/tidio.md) |
| 6 | [Callbell](https://openaitools.app/tool/callbell) | 487,975 | -24% | Freemium, Free Trial, Paid, Contact for Pricing | Streamlined team inbox for WhatsApp and messaging apps, but lacks Respond.io's advanced AI agent workflow builder. | [.md](https://openaitools.app/tool/callbell.md) |
| 7 | [Re:amaze](https://openaitools.app/tool/reamaze-com) | 455,787 | +3.6% | Free Trial, Paid, Contact for Pricing | Solid multi-channel helpdesk and live chat features, but less sophisticated visual workflow automation than Respond.io. | [.md](https://openaitools.app/tool/reamaze-com.md) |
| 8 | [SleekFlow](https://openaitools.app/tool/sleekflow) | 348,111 | -2% | Paid, Contact for Pricing | Strong omnichannel routing across social messaging apps, but less extensive enterprise ticketing features than Respond.io. | [.md](https://openaitools.app/tool/sleekflow.md) |
| 9 | [Mastra](https://openaitools.app/tool/mastra) | 318,954 | -5% | Freemium, Contact for Pricing | The TypeScript framework for building, deploying, and observing AI agents | [.md](https://openaitools.app/tool/mastra.md) |
| 10 | [Agent 37](https://openaitools.app/tool/agent-37) | 180,030 | +24.2% | Free Trial, Contact for Pricing | The low-cost cloud sandbox where AI agents actually live | [.md](https://openaitools.app/tool/agent-37.md) |

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

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