MindMac vs LegacyAI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. MindMac starts at $29 one-time and LegacyAI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Inline mode in any app
- 150+ prompt templates
- OpenAI, Azure and Gemini support
- Customizable parameters and shortcuts
- Native macOS app
- ChatGPT chat on classic Mac OS
- DALL-E image generation
- Saved conversations
- Custom proxy support
- HTTPS on PowerPC and Intel
| Feature | MindMac | LegacyAI |
|---|---|---|
| Best for | Native Mac client for ChatGPT, Gemini and other models | ChatGPT client for vintage Macs from System 7 to OS X El Capitan |
| Category | Chat assistants | Chat assistants |
| Pricing model | Freemium | Freemium |
| Starting price | $29 one-time | See pricing page |
| Free plan | Yes | Yes |
| Made by | MindMac | Manticore Software |
| Based in | – | New Zealand |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
MindMac starts at $29 one-time and LegacyAI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Basic
$29 one-time
- 1 macOS device
- All features
- 1 year of updates
Personal
$49 one-time
- 2 macOS devices
- All features
- Most popular
Standard
$69 one-time
- 3 macOS devices
- Professional use
- All features
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
MindMac
- Pay once, use forever
- Works inside any Mac app
- Supports several model providers
- Requires your own API key and API costs
- Mac only
- Updates beyond one year need a new license
LegacyAI
- Runs on Macs from 1988 onward
- Free to use
- Can connect to other AI services via proxy
- 68k build has no encrypted connection
- Shared API access depends on donations
- Advanced models need a paid license
Which one should you choose?
Choose MindMac if you want:
- Pay once, use forever
- Works inside any Mac app
- Supports several model providers
Watch out: requires your own api key and api costs.
Choose LegacyAI if you want:
- Runs on Macs from 1988 onward
- Free to use
- Can connect to other AI services via proxy
Watch out: 68k build has no encrypted connection.
MindMac vs LegacyAI FAQ
What is the difference between MindMac and LegacyAI?
MindMac: Native Mac client for ChatGPT, Gemini and other models. LegacyAI: ChatGPT client for vintage Macs from System 7 to OS X El Capitan. Both are chat assistants tools.
Is MindMac or LegacyAI cheaper?
MindMac starts at $29 one-time and LegacyAI starts at See pricing page. Check both pricing pages for current plans.
Do MindMac and LegacyAI have free plans?
MindMac: Yes. LegacyAI: Yes.
Who makes MindMac?
MindMac is made by MindMac.
Who makes LegacyAI?
LegacyAI is made by Manticore Software, based in New Zealand.
Which should I choose, MindMac or LegacyAI?
Choose MindMac if you value pay once, use forever and works inside any mac app. Choose LegacyAI if you value runs on macs from 1988 onward and free to use.