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Sintra alternatives · AI Agents

Free alternatives to Sintra

Sintra has no free plan. 89 of the 178 other AI agents in this directory are free or have a free plan.

Sintra is a paid product, starting at $52 per month on the 12-month plan, before the discount shown on site. 10 of them have no paid plan at all; the rest pair a free plan with paid ones.

89 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to Sintra

  1. AutoGPT

    Open-source agent platform with a hosted team of AI Experts

    What is free: Self-hosting the open-source platform is free; you supply the infrastructure and your own model API keys. The hosted cloud has no free plan, only a 7-day Pro trial.

    • AutoGPT starts at $42.50 per month, billed yearly at $510 (Pro); $50 billed monthly. Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • AutoGPT has a free plan. Sintra does not.
    • Only Sintra lists iOS and Android apps.
    • AutoGPT is open source and self-hostable, according to its own site.
    AutoGPT vs SintraAutoGPT pricing and details

  2. Jenova AI

    Multi-model AI platform for roleplay, creative studios and custom AIs

    What is free: A free tier with core features and limited monthly usage.

    • Jenova AI starts at $20 per month (Plus). Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Jenova AI has a free plan. Sintra does not.
    • Jenova AI also covers long-form writing.
    • Sintra also covers marketing automation and workflow automation.
    Jenova AI vs SintraJenova AI pricing and details

  3. Macaron

    Personal AI agent that builds small life tools from a chat

    What is free: The app is free to download and the FAQ says core features are free; building or changing a project costs 10 almonds, and voice chat is for subscribers only.

    • Macaron starts at $9.99 per month (Classic Monthly, US App Store). Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Macaron has a free plan. Sintra does not.
    • Only Sintra lists a web app.
    • Macaron also covers daily notes and habit tracking.
    Macaron vs SintraMacaron pricing and details

  4. OpenClaw

    Open-source personal AI agent you run yourself and message in chat

    What is free: Everything. There is no paid plan.

    • OpenClaw is free. Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • OpenClaw has a free plan. Sintra does not.
    • Only OpenClaw lists macOS, Windows and Linux apps.
    • OpenClaw is open source and self-hostable, according to its own site.
    OpenClaw pricing and details

  5. Poke

    AI assistant you text in Messages, WhatsApp or Telegram

    What is free: Free plan with no credit card: app, email and calendar connections and a small usage allowance that refills automatically. Once it is used up, Poke keeps responding in a lighter mode.

    • Poke starts at $19 per month, billed monthly (Pro). Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Poke has a free plan. Sintra does not.
    • Only Sintra lists iOS and Android apps.
    • Sintra also covers marketing automation.
    Poke pricing and details

  6. Hermes Agent

    Open-source AI agent with persistent memory and a messaging gateway

    What is free: Hermes Agent is free and open source under the MIT license. You connect your own model provider, or a free Nous Portal account that is limited to free models.

    • Hermes Agent starts at $20 per month for the optional Nous Portal Plus tier; the agent is free. Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Hermes Agent has a free plan. Sintra does not.
    • Only Hermes Agent lists macOS, Windows and Linux apps.
    • Only Sintra lists iOS and Android apps.
    Hermes Agent pricing and details

  7. Sauna

    AI teammate with memory, reachable by web, iMessage, Slack or email

    What is free: 100 credits per day, or 200 with a verified payment card on file, and no monthly allowance. Unused daily credits do not roll over.

    • Sauna starts at $29 per month, billed monthly (Lite). Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Sauna has a free plan. Sintra does not.
    • Only Sintra lists an Android app.
    • Sauna also covers app builder.
    Sauna pricing and details

  8. Runable

    AI agent that builds sites, decks and media and runs marketing

    What is free: 1,500 credits every day, up to 15,000 a month, with Notetaker, Flow dictation, multi-model chat and 3,000+ plugins. Unused daily credits do not carry over.

    • Runable starts at $20 per month, billed monthly (Pro); $15 per month billed yearly. Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Runable has a free plan. Sintra does not.
    • Only Runable lists a macOS app.
    • Runable also covers meeting notes, dictation, app builder and presentations.
    Runable pricing and details

  9. NanoClaw

    Open-source personal AI agent that runs in containers you host

    What is free: Everything. There is no paid plan.

    • NanoClaw is free. Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • NanoClaw has a free plan. Sintra does not.
    • Only NanoClaw lists macOS, Linux and Windows apps.
    • Only Sintra lists a web app.
    NanoClaw pricing and details

  10. Vellum

    Personal AI assistant with long-term memory that acts across apps

    What is free: Base plan, free with no card: a Small cloud machine (1 vCPU, 2 GiB RAM) and 6 GiB of storage. Model usage, web search and image generation draw on pay-as-you-go credits. Self-hosting the runtime is also free.

    • Vellum starts at $30 per month (Mighty). Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Vellum has a free plan. Sintra does not.
    • Only Vellum lists macOS and Windows apps.
    • Only Vellum lists a browser extension.
    Vellum pricing and details

  11. Airtop

    AI agents that automate web, app and API workflows from a chat

    What is free: 1,000 credits that renew each month, 3 simultaneous sessions and 1 deployed agent, plus a one-time 10,000-credit bonus and a Mark trial for 7 days or until the credits are used.

    • Airtop starts at $29 per month, billed monthly (Starter with 30,000 credits). Sintra starts at $52 per month on the 12-month plan, before the discount shown on site.
    • Airtop has a free plan. Sintra does not.
    • Only Sintra lists iOS and Android apps.
    • Airtop also covers no-code.
    Airtop pricing and details

  12. Pally

    Free AI personal assistant that you reach by text message

    What is free: Free for everyone with every feature included. One usage limit refills continuously through the week; Pally warns you before you reach it and chat keeps working if you do.

    • Pally has a free plan. Sintra does not.
    • Only Pally lists a macOS app.
    • Only Sintra lists iOS and Android apps.
    • Pally also covers tasks and inbox filtering.
    Pally pricing and details

77 more that are free or have a free plan

All 89 in one table

Common questions

Is there a free alternative to Sintra?

Yes. AutoGPT, Jenova AI, Macaron, OpenClaw, Poke, Hermes Agent, Sauna, Runable and 81 more are free or have a free plan.

Does Sintra have a free plan?

Sintra has no free plan. Sintra is a paid product, starting at $52 per month on the 12-month plan, before the discount shown on site.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Sintra: the alternatives its listing names first, then the tools that share the most features with it.