Chat assistants · alternatives
Running models on your own machine has trade-offs, and they are the main reasons to leave Atomic Chat. Speed and model size depend on your hardware, and the Mac build needs Apple Silicon (M1 or better) on macOS 13+. Models download separately and can be several gigabytes, and open models trail the largest cloud models on hard tasks. The pricing and docs pages also returned 404.
The three cloud assistants listed trade privacy-by-default for stronger models and no local setup. ChatGPT handles writing, research, analysis and coding help, with a free tier and Plus (consumer) at $20 per user per month. Claude is positioned for writing, analysis and multi-step work; Pro is $20 per user per month, with a free tier. Google Gemini is the cheapest entry: it is free, with Google AI Plus at $4.99 per month for higher limits.
"Better suited" below is based on documented features and pricing from our verified profiles, not on a head-to-head test. Prices are USD as published by each vendor.
Taken from the documented limitations in our Atomic Chat profile.
| Tool | Starting price | Free tier | Platforms | Main limitation |
|---|---|---|---|---|
| Atomic Chat (this page) | Not published | Yes | Desktop, Mobile | Speed and model size are bound by your own hardware, and the Mac build needs Apple Silicon on macOS 13+. |
| ChatGPT | $20/mo (Plus (consumer)) | Yes | Web, Desktop, Mobile, API | Almost every tool (uploads, images, voice, deep research, Codex) has plan-dependent usage caps that OpenAI states can change over time, and the API is billed separately from every ChatGPT subscription. |
| Claude | $20/mo (Pro) | Yes | Web, Desktop, Mobile, API | All plans have usage limits that reset on a schedule; the paid chat subscription does not include API access, which is billed separately per token. |
| Google Gemini | $4.99/mo (Google AI Plus) | Yes | Web, Desktop, Mobile | Usage is governed by compute-based limits that refresh every 5 hours up to a weekly cap, and free-tier chats with Keep Activity on are used to train Google models with human review. |
| Alternative | Pick it when | Starting price | Watch out for |
|---|---|---|---|
| ChatGPT |
$20/mo (Plus (consumer)) | ||
| Claude |
$20/mo (Pro) | ||
| Google Gemini |
$4.99/mo (Google AI Plus) |
OpenAI's general-purpose AI assistant for writing, research, analysis, image generation and coding help.
Free stops at: Unlimited everyday text chats subject to abuse-prevention safeguards, Separate usage limits for file uploads,…
Free · paid from $20/mo US · checked Sep 30
Anthropic's AI assistant for writing, analysis, coding and multi-step work, with free and paid plans.
Free stops at: Usage limits apply, Projects: up to 5
Free · paid from $20/mo US · checked Sep 30
Google's multimodal AI assistant, available free with higher limits through Google AI subscriptions.
Free stops at: Varying access to 3.1 Pro, Standard compute-based usage limits; refresh every 5 hours until weekly limit
Verified gemini.google.com (opens Google Gemini website in a new tab)
Free · paid from $4.99/mo US · checked Sep 30
Orchestration layer that routes questions across many AI models, including EU-sovereign ones.
Free stops at: 50 chats per week, 10 images per week
Free plan available US price unconfirmed
AI shopping and support chat assistant for Shopify, Magento and Shopware stores, priced by recovered shoppers.
Free stops at: 5 win-backs per month, 1 storefront, 1 language, 1 seat
Free · paid from $39.99/mo US · checked Sep 29
Multi-model chat that sends one question to several AI models side by side, plus a public AI Wiki of structured guides.
Free stops at: 60 Basic model prompts/month, 6 Advanced model prompts/month
Free · paid from $19/mo US · checked Sep 29
Runs a question through three frontier AI models that critique each other and returns a verified answer.
Free stops at: 1 free session on pricing page (homepage says 3 free sessions), 2 reasoning iterations
Free plan available US price unconfirmed
Sends one question to several AI models at once and returns a consensus answer with side-by-side comparison.
Free stops at: 3 LLM query runs
Free plan available US price unconfirmed
Mac desktop app (Mach Studio) that runs open models locally and drives apps and browser with an agent.
Free stops at: Local models, No account
Verified withsyzygy.com (opens Syzygy (Mach Studio) website in a new tab)
Free · paid from $20/mo US · checked Sep 29
ChatGPT, Claude and Google Gemini each have a free tier.
Local speed is bound by your hardware, models are large downloads, and open models trail the biggest cloud models on hard tasks.
Google AI Plus at $4.99 per month, against $20 per user per month for ChatGPT Plus and Claude Pro.
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