kitio.aiFast Mode vs host4.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. host4.ai has the lower starting price: about $15 a month, against $20 for Fast Mode.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Automatic CMS from HTML
- Visual copy editor
- Page-level SEO controls
- Custom domain and CDN
- Forms API
- Persistent Claude Code and Codex
- Browser terminal and SSH
- AI website builder
- Instant subdomain hosting
- Custom domains
| Feature | Fast Mode | host4.ai |
|---|---|---|
| Best for | Turns static sites made with AI coding tools into an editable CMS | Cloud servers with Claude Code and Codex preinstalled, plus an AI site builder |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | $15/mo |
| Free plan | Yes | Yes |
| Made by | Fast Mode | host4.ai |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
host4.ai has the lower starting price: about $15 a month, against $20 for Fast Mode.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- fastmode.site subdomain
- Blog and team collections
- Visual editor and SEO controls
Pro
$20/mo
- Custom domain
- No Fastmode branding
- CDN delivery
- Forms API
4 plans
Free trial
Free
- First site free
- 20 free messages
- 1 vCPU, 1 GB RAM, 5 GB storage
Pro
$15/mo
- 2 vCPU, 2 GB RAM, 20 GB storage
- 500 GB traffic
- Priority support
Business
$49/mo
- 4 vCPU, 4 GB RAM, 50 GB storage
- 1 TB traffic
- Custom domain included
Lifetime
$99 one-time
- One-time payment
- 1 vCPU, 1 GB RAM, 5 GB storage
- Limited number of spots
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Fast Mode
- Works with output from any AI builder
- Free hosting tier
- No setup to create collections
- Custom domains need Pro
- Free plan shows Fastmode branding
- Only two plans to choose from
host4.ai
- Agent keeps running in the cloud
- Full Linux access, no lock-in
- First site free with no card
- Needs your own Anthropic account after 20 messages
- Small resources on the entry tiers
- Custom domain costs extra on Pro
Which one should you choose?
Choose Fast Mode if you want:
- Works with output from any AI builder
- Free hosting tier
- No setup to create collections
Watch out: custom domains need pro.
Choose host4.ai if you want:
- Agent keeps running in the cloud
- Full Linux access, no lock-in
- First site free with no card
Watch out: needs your own anthropic account after 20 messages.
Fast Mode vs host4.ai FAQ
What is the difference between Fast Mode and host4.ai?
Fast Mode: Turns static sites made with AI coding tools into an editable CMS. host4.ai: Cloud servers with Claude Code and Codex preinstalled, plus an AI site builder. Both are coding tools.
Is Fast Mode or host4.ai cheaper?
host4.ai has the lower starting price: about $15 a month, against $20 for Fast Mode.
Do Fast Mode and host4.ai have free plans?
Fast Mode: Yes. host4.ai: Yes.
Who makes Fast Mode?
Fast Mode is made by Fast Mode.
Who makes host4.ai?
host4.ai is made by host4.ai.
Which should I choose, Fast Mode or host4.ai?
Choose Fast Mode if you value works with output from any ai builder and free hosting tier. Choose host4.ai if you value agent keeps running in the cloud and full linux access, no lock-in.