Join +100 small businesses growing on social media
Create social media posts in seconds
CASSI helps you show up every day on social media - without the overwhelm.
No Credit Card Required
Trusted by creators, founders and small businesses
“What I particularly appreciate about CASSI is the charmingly simple workflow: generate text and image, then post automatically right away. This makes the entire process incredibly straightforward and efficient.”
“Cassi ist die perfekte Verbindung von innovativen KI-Inhalten und der Umsetzung von eigenen Ideen. Manchmal ist es beinahe schade, dass die Erstellung von Social Media- Inhalten mit Cassi so easy ist, denn die Arbeit mit dem Programm macht einfach Spaß!”
“It's just absolutely awesome to work with right now.”
“CASSI made my LinkedIn presence consistent without extra effort.”
“As an entrepreneur with two employees, I don't have time for social media. With CASSI, we're finally consistently present on Instagram and LinkedIn. From one idea, two audience-optimized posts are created super easily.”
Why businesses choose CASSI
Businesses choose CASSI because it helps them stay consistent across Social Media Platforms.
Create
Generate content in seconds, text and image, in your tone.
Edit
Tweak, rewrite, or regenerate posts with full control.
Schedule
Plan and publish to LinkedIn and Instagram in one place.
AI that makes you Post more and Stress less.
Multi-Platform Support
Post and Schedule across YouTube, TikTok, Instagram and LinkedIn all from one simple calendar.
Posts When You Wake Up
In the morning receive ready to go posts right in your email inbox, tailored to you - your interests, your niche, your brand.
Chat Assistant
Create and refine content in a natural conversation. Adjust tone, rewrite posts, test angles, brainstorm ideas, or build a full campaign — all by simply telling CASSI what you want.
Campaigns
Turn your ideas or existing content into full campaigns. Upload posts, notes, screenshots — CASSI analyses everything and builds a full multi-week content plan complete with visuals, structure, and scheduling. A campaign in minutes, not days
API
Plug CASSI’s brain directly into your product or workflow. Generate thousands of posts, bulk-create assets, build automated social flows, or customise at enterprise scale. The same tech behind CASSI — now available for your own systems.
What's inside CASSI?
A fast, simple toolkit powered by advanced AI — built for small businesses, creators, and founders to stay consistent online.
Platform Support
Post to LinkedIn and Instagram today. TikTok and YouTube Shorts are coming next.
AI Models
Powered by Nano Banana for visuals and Sonnet 4.5 for high-quality, on-brand text.
Voice Learning
CASSI analyses your LinkedIn or Instagram to learn your tone, writing patterns, and topics.
Image Generation
Generate custom visuals in seconds, match brand styles, and edit with inpainting and background removal.
Campaign Builder (coming soon)
Create multi-week content plans automatically from your existing posts, notes, or ideas.
API Access (beta)
Use CASSI's engine inside your own tools, generate posts at scale, automate workflows, or build custom integrations.
Choose the Perfect Plan
Free
Perfect for individuals and small teams just getting started
billed monthly
- 5 posts / mo
- 1 brand
- 100 Auto-Designs / mo
- Chat Assistant
Standard
Perfect for individuals and small teams just getting started
billed monthly
- Unlimited posts
- Unlimited brands
- Unlimited Auto-Designs
Enterprise
If you need a custom solution tailored to your use case
billed monthly
- Custom Setup
Frequently Asked Questions
Get answers to common questions here
CASSI reads your existing social posts to understand how you write so it can generate content that matches your tone. This analysis runs exclusively on our secure EU servers, and your data is never shared, sold, or used to train outside AI systems.
Not at all. CASSI is built for people who want to post consistently without spending hours on design or copywriting. Just tell CASSI what you want to share, and it handles the rest — text, images, and scheduling.
Currently you can post directly to LinkedIn and Instagram. TikTok and YouTube Shorts support is coming soon.
Yes! You can upload your own images, logos, and brand assets. CASSI can also generate custom visuals that match your brand style using AI image generation.