Sauna vs Aethera
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Aethera has the lower starting price: about $20 a month, against $29 for Sauna.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Proactive cloud agent
- Slack, iMessage and WhatsApp access
- 3,000+ integrations
- Scheduled routines
- Custom app building
- Persistent memory
- Multi-step task orchestration
- Image and video generation
- Connectors for work tools
- Approval before actions
- Per-step cost preview
- Desktop app
| Feature | Sauna | Aethera |
|---|---|---|
| Best for | Proactive AI teammate that works from Slack, iMessage and the web | AI agent workspace that researches, creates assets and acts in your tools |
| Category | Agents & automation | Agents & automation |
| Pricing model | Free trial | Freemium |
| Starting price | $29/mo | $20/mo |
| Free plan | No, trial available | Yes |
| Made by | Sauna | Aethera |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Aethera has the lower starting price: about $20 a month, against $29 for Sauna.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Lite
$29/mo
- Sauna Lite model
- iMessage and Slack
- 3,000+ integrations
- Persistent memory
Basic
$99/mo
- Everything in Lite
- Access to all LLMs
Pro
$299/mo
- Everything in Basic
- Shared folders
- Custom models
Team
Contact sales
- Brain access
- Expanded custom models
- Browser automation
4 plans
Free
Free
- 20 credits a day
- Standard models
- 1 project, up to 3 connectors
Go
$20/mo
- 1,000 credits a month
- Any model, premium included
- Email support
Pro
$60/mo
- 3,000 credits a month
- Priority response speed
Max
$100/mo
- 5,000 credits a month
- Higher peak throughput
- Same-day email support
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
Sauna
- Works inside messaging apps you already use
- Runs tasks while you are away
- No training on your data
- Higher tiers get expensive quickly
- Lite plan uses Sauna's own smaller model
- No annual billing option
Aethera
- Access to every major model
- Shows costs before spending credits
- Free plan with daily credits
- Data not used for training
- Free plan limited to 3 connectors
- Credits run out on heavy media work
- Team features sold separately
Which one should you choose?
Choose Sauna if you want:
- Works inside messaging apps you already use
- Runs tasks while you are away
- No training on your data
Watch out: higher tiers get expensive quickly.
Choose Aethera if you want:
- Access to every major model
- Shows costs before spending credits
- Free plan with daily credits
Watch out: free plan limited to 3 connectors.
Sauna vs Aethera FAQ
What is the difference between Sauna and Aethera?
Sauna: Proactive AI teammate that works from Slack, iMessage and the web. Aethera: AI agent workspace that researches, creates assets and acts in your tools. Both are agents & automation tools.
Is Sauna or Aethera cheaper?
Aethera has the lower starting price: about $20 a month, against $29 for Sauna.
Do Sauna and Aethera have free plans?
Sauna: No, trial available. Aethera: Yes.
Who makes Sauna?
Sauna is made by Sauna, based in United States.
Who makes Aethera?
Aethera is made by Aethera.
Which should I choose, Sauna or Aethera?
Choose Sauna if you value works inside messaging apps you already use and runs tasks while you are away. Choose Aethera if you value access to every major model and shows costs before spending credits.